CN114301894B - Method for monitoring and managing entity power grid node device by virtual power grid - Google Patents
Method for monitoring and managing entity power grid node device by virtual power grid Download PDFInfo
- Publication number
- CN114301894B CN114301894B CN202011046391.2A CN202011046391A CN114301894B CN 114301894 B CN114301894 B CN 114301894B CN 202011046391 A CN202011046391 A CN 202011046391A CN 114301894 B CN114301894 B CN 114301894B
- Authority
- CN
- China
- Prior art keywords
- phase
- breaking
- alarm
- monitoring device
- switching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 230000006854 communication Effects 0.000 claims abstract description 65
- 238000004891 communication Methods 0.000 claims abstract description 65
- 238000006243 chemical reaction Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 238000010248 power generation Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 238000012806 monitoring device Methods 0.000 claims description 158
- 238000004364 calculation method Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000007639 printing Methods 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 6
- 238000013461 design Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000007123 defense Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000013473 artificial intelligence Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000007726 management method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 claims description 3
- -1 temperature Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims description 2
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 4
- 230000007175 bidirectional communication Effects 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical group [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Alarm Systems (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A method for monitoring and managing the node devices of the physical power grid mainly comprises the devices of single-phase breaking, three-phase breaking, double-power conversion, single-phase breaking and the like of breaking nodes, the devices of single-phase breaking, double-power conversion, detection (including display, smoke induction, light induction, pressure, liquid level, proximity, vibration, infrared, magnetic induction, sound wave, gas, temperature, humidity, water meter, gas meter, others, and the like), centralized monitoring, each step computer monitoring, data center service and the like are included in the communication nodes and the devices of single-phase breaking, wherein the single-phase breaking devices integrating the breaking nodes and the communication nodes as well as the junction of the virtual power grid and the physical power grid are information sources of the virtual power grid, so that the virtual power grid can enable all the breaking node devices of the physical power grid from power generation to power utilization terminals to be in a tree-shaped data link type and all the communication node devices of the virtual power grid to be in a centralized type and a mixed control mode through cloud computing.
Description
The invention relates to the technical field of information, in particular to a method for monitoring and managing a physical grid node device by a virtual grid.
The existing power grid node has two technical defects, namely, the informatization degree of all single-phase and three-phase circuit breaking node equipment from power generation to power utilization on a power transmission line is low, the electric leakage, short circuit, current overload and the like of each circuit breaking node equipment are basically realized by adopting an analog control technology, particularly a current thermal tripping technology, namely, overcurrent identification is realized by pushing a circuit breaking mechanism to trip by means of deformation of different heat-resistant bimetallic strips actively heating by hardware, the technology leads to unstable wire tightness of an interface of the all-circuit breaking node equipment due to temperature change, loose virtual connection is easy to generate, the biggest hidden danger of electric fire is caused, because the heat leads to the power transmission wire to be used as a copper wire, and the circuit breaking node is strong current, the informatization development of the three-phase circuit breaking node is difficult to be restricted, particularly, the three-phase circuit breaking node has a plurality of faces and disperses in the solid electric network, and has high wired and wireless communication cost and cannot fully cover; the second is that each kind of detection node equipment that connects on traditional communication line is from system, including water gauge, ammeter, gas meter, fire control, security protection etc. all have a set of centralized communication equipment each, often appear a plurality of centralized communication equipment concurrent phenomenon under same installation environment, including communication line repetition construction is also normal, and each individual management has both wasted resources, restricted the development of joint defense allied oneself with accuse technique yet, if a fire alarm neighbor is unaware, the fire alarm is still gone up to know warning family neighbor etc. in going up, fire control water supply equipment is basic to be placed in, the crowd is dead and hurt frequently is not fresh, the reason of doing all can not satisfy the social development needs of new period because of analog control technological means hysteresis.
The invention aims to provide a method for monitoring and managing a physical power grid node device by a virtual power grid, which aims to realize the aim of realizing the complete disconnection node device and communication node device of the physical power grid from power generation to power utilization terminals as well as the aim of realizing centralized communication of multiple generation and control modes, namely a plurality of generation models and aluminum-copper substitution of a power transmission wire.
In order to achieve the above objective, the method for monitoring and managing the physical grid node device of the present invention mainly comprises a circuit breaking node including a single-phase circuit breaking alarm device (referred to as a single-phase circuit breaking device), a three-phase circuit breaking device, a dual-power conversion device, and a single-phase circuit breaking device, wherein the communication node includes a single-phase circuit breaking device, a dual-power conversion device, a detection device (including display, smoke, light, pressure, liquid level, proximity, vibration, infrared, magnetic induction, sound wave, gas, temperature, humidity, water meter, gas meter, and the like), a centralized virtual grid monitoring device (referred to as a centralized monitoring device), each ladder computer virtual grid monitoring service device (referred to as a ladder computer monitoring device), a data center service device (referred to as a data center), and the like, as an information source of the virtual grid integrating the circuit breaking node, the communication node, and the junction of the virtual grid with the physical grid, so that the virtual grid can make the physical grid form a chain type of the circuit breaking device from power generation to the power consumption terminal through cloud computing by using the large data uploaded in real time by numerous single-phase circuit breaking devices by using an artificial intelligence technology, and the whole network is in a virtual network in a virtual tree-like, and various communication node networking devices and various communication node devices and a hybrid networking and a hybrid network control;
The software of each monitoring device for monitoring the three-phase circuit breaking device comprises three-phase circuit breaking report electric leakage short circuit (phase-missing circuit breaking report blowing) when the function is configured as electric leakage short circuit, three-phase circuit breaking report electric leakage short circuit (phase-missing circuit breaking report blowing) when the function is configured as electric leakage short circuit fusing, three-phase circuit breaking report short circuit (phase-missing circuit breaking report blowing) when the function is configured as short circuit, adding special equipment name before the function configuration when special equipment is arranged at the upper level, applying a computer to preset, then manually opening the brake after the brake is opened by the terminal when the brake is manually opened, then storing and switching the brake by the terminal again, correspondingly identifying and alarming when the single-phase circuit breaking device of the group terminal is in electric leakage, short circuit, overvoltage, manual, property, fire fighting, earthquake, emergency and the like, when 7x3 = 21 groups of main ammeter, auxiliary ammeter, water meter, gas meter, line loss meter, main meter, auxiliary meter, main meter and auxiliary meter of the self-single-phase node are used for settlement and amount early warning, and arrearage limit is switched off, corresponding identification alarm is performed, when 6 groups of main ammeter, auxiliary ammeter, main meter, auxiliary ammeter, water meter, gas meter, main meter and auxiliary meter of the self-single-phase node are used for settlement and amount early warning, arrearage limit is switched off, corresponding identification alarm is performed, a public single-phase breaking device of the self-single-phase or three-phase node is used for settlement of various meter public and private single-phase breaking devices are used for settlement of various meter public and private single-phase breaking devices, and programs and processes such as mixed protection linkage of various communication node devices are performed;
Data source: the data and alarm information uploaded by the single-phase breaking device are data sources of a centralized monitoring device, the data calculated by the lower branch three-phase breaking device of the three-phase breaking device monitored by the centralized monitoring device are data sources of an upper three-phase breaking device, the data calculated by the total three-phase breaking device is a data source of a 1-step computer monitoring device, the data calculated by the lower branch three-phase breaking device of the three-phase breaking device monitored by the 1-step computer monitoring device is a data source of an upper three-phase breaking device, the data calculated by the total three-phase breaking device is a data source of a 2-step computer monitoring device, and the data calculated by the push-down step computer monitoring device is a data source of an upper step computer monitoring device;
when any monitoring device monitors 1 three-phase circuit breaker, the device is a total three-phase circuit breaker, and when any monitoring device monitors a plurality of upper and lower three-phase circuit breakers, the device is the total three-phase circuit breaker at the uppermost stage;
in operation, when the three-phase circuit breaking device is directly connected with the lower branch single-phase circuit breaking device or is directly connected with the lower branch three-phase circuit breaking device, the real-time current load is calculated according to the self-defined line loss rate preset by computer profiling, and the calculation formulas for identifying the real-time current load are respectively as follows:
(1) When the three-phase circuit breaking device is directly connected with the lower-level branch single-phase breaking device
Real-time phase current load = sum of phase data corresponding to directly connected lower branch single-phase breaking device + sum X custom line loss rate of phase data corresponding to directly connected lower branch single-phase breaking device
(2) When the lower branch of the three-phase circuit breaker is directly connected with the three-phase circuit breaker
Real-time phase current load = sum of corresponding phase data of directly connected lower-level branch three-phase circuit breaker + sum of corresponding phase data of directly connected lower-level branch three-phase circuit breaker X custom line loss rate
In operation, when the three-phase circuit breaking device monitored by any monitoring device is required to be relieved and leveled when the overload switching-out is exceeded or the unbalanced switching-out is exceeded by the alarming phase current, in order to reduce the power-off range of the three-phase circuit breaking device, the power-off range is controlled according to the switching-out quantity and the self-defined switching-out rate of the lower-level branch single-phase circuit breaking device which are directly or indirectly connected with the corresponding phase preset by computer profiling, and the calculation formula of the switching-out quantity of the lower-level branch single-phase circuit breaking device which is directly or indirectly connected with the power-off range is as follows:
preset phase opening number = number X of directly or indirectly connected lower branch single-phase breaking devices, and the opening rate is defined by the total number X of the lower branch single-phase breaking devices
Three-phase balance degree calculation formula of three-phase circuit breaking node device:
three-phase balance = (maximum real-time current load-minimum real-time current load)/(maximum real-time current load)
In operation, when the upper and lower three-phase circuit breaking devices monitored by any monitoring device are in corresponding direct or indirect connection with the lower-level branch single-phase circuit breaking device and alarm or the public part reports an undervoltage alarm, the corresponding monitoring device of the upper-level three-phase circuit breaking device alarms according to the principle of not reporting the undervoltage alarm, the alarm source is a single-phase circuit breaking device, and when the upper and lower three-phase circuit breaking devices alarm that the current load of the phase is out of limits or the three-phase unbalance is out of limits and needs to be relieved, the corresponding monitoring device of the lower-level alarm three-phase circuit breaking device is subjected to priority treatment according to the principle of first and second, and the alarm source is the corresponding monitoring device and is represented by the corresponding three-phase circuit breaking device;
in operation, the flow of the dual-power eps conversion device monitored by each level of monitoring device is that the computer monitoring device firstly reports the data to the corresponding terminal single-phase breaking reporting device, then the computer monitoring device transmits a conversion instruction to the dual-power conversion device after the data are fed back, and the computer monitoring device transmits a conversion metering storage area instruction to the terminal single-phase breaking reporting device after the data are fed back successfully;
The single-phase breaking alarm device is characterized by mainly comprising a single-chip microcomputer and a software program for monitoring management, a clock, current pulse generation, current load measurement, current on-off identification, over-under voltage identification, upper computer communication, lower computer communication, electric leakage identification, short circuit identification, electric leakage self-checking identification, main ammeter measurement data storage, auxiliary ammeter 20 measurement data storage, indicator lamp different frequency flashing indication alarm types, water meter acquisition and charging storage of two rate types, gas meter acquisition and charging storage of two rate types, relay driving and relay, internal or external display, internal or external single-chip microcomputer power supply, internal or external IC card read-write card and other units, wherein the upper computer communication unit is connected with the lower computer communication unit of the centralized device, the lower computer communication unit is connected with the upper computer communication unit of the detection device, and the functions of the on are firstly subjected to computer file establishment and information setting before operation;
the computer filing page of the single-phase breaking device is provided with the contents which are required to be correspondingly filled in,the symbol can be selected according to actual needs: the main phase line type-AL/BL/CL, the use type-private/public, the user type-residential/commercial/other, the electric change preset threshold mode-automatic/manual, the applicable voltage-220V/110V, the electricity type-single-phase/three-phase, the pulse constant-10/100/200/400/800/16003200 of the water-electricity meter, the auxiliary electric meter information (who measures the electricity generation under the name) -01/02/03/04/05/06/07/08/09/10/11/12/13/14/15/16/17/18/19/20, the payment type-prepayment/postpaid; metering failure early warning and brake opening preset threshold (hours) ) -00 (natural number), rate type-normal/four steps/four time periods, wallet type-individual settlement of each meter/primary/secondary electric meter mixed settlement/primary/secondary water vapor meter mixed settlement/superior group primary electric meter settlement/superior device group secondary electric meter mixed settlement/superior group primary/secondary water vapor meter mixed settlement/superior group water meter settlement/superior group gas meter settlement, etc.;
the single-phase breaking device software program adopts an artificial intelligence technology to identify faults and perform consumption settlement, and mainly comprises presetting current calculation and overload early warning and breaking identification thresholds in a singlechip unit, presetting current fault self-timeout flow and over-voltage release delay closing flow of delay automatic reclosing and the like after the single-phase breaking node device self-current overload breaking and passive current overload breaking, presetting current breaking, over-under voltage, electric leakage, short circuit, electric leakage self-checking failure, lower computer communication failure, various meter metering failure early warning and metering failure, electric brake failure, various detection device alarms, manual button on-off, various meter metering abnormality, main ammeter amount early warning and under-charge limit breaking, auxiliary ammeter amount early warning and under-charge limit breaking, main ammeter amount and under-charge limit breaking, gas meter amount early warning and under-charge limit breaking, main power supply storage area, double power supply conversion 20 auxiliary power supply metering storage area, IC card, down-metering IC card, and the like, and the following, and the single-phase breaking node device can calculate current warning and under-charge limit breaking, and the current warning and the consumption alarm device is capable of carrying out the following the real-time calculation of the current warning and the current consumption alarm formulas and the consumption settlement.
Real-time current load = current load monitoring defines the number of pulses (in number) received at a cycle time X1000 watts X60 minutes ≡pulse constant (in number) ≡voltage (V)
The single-phase breaking device is divided into two grades by over-under voltage identification, the public single-phase breaking device is lower in over-under voltage identification grade and has no over-under voltage switching-on protection function, the over-under voltage early warning is identified according to early warning profiling, the private single-phase breaking device is higher in over-under voltage identification grade and has the over-under voltage switching-on protection function, the over-under voltage switching-on and the current overload switching-on are profiled, and self-defined switching-on time is automatically delayed to switch on according to computer profiling after the over-under voltage switching-on and the current overload switching-off so as to realize self-over of faults;
the centralized monitoring device is characterized by mainly comprising a singlechip and a virtual power grid monitoring management software program, data storage, upper computer communication, lower computer communication, display, voice, a singlechip power supply, IC card read-write, and computer profiling and information setting of the functions to be started before operation;
the flow of the dual-power supply ups conversion device monitored by the centralized monitoring device is that the dual-power supply ups conversion device firstly converts and then reports to the computer monitoring device, and then the computer monitoring device sends a conversion metering storage area instruction to the terminal single-phase off-reporting device;
The centralized monitoring device presets a single-phase and three-phase group artificial intelligent card settlement wallet in a software program, and comprises a group main electric meter settlement, a group auxiliary electric meter settlement, a group main and auxiliary electric meter mixed settlement, a group main and auxiliary water vapor meter mixed settlement, various meter shared settlement and the like;
when the centralized monitoring device and the computer monitoring device are in communication failure alarm, the centralized monitoring device automatically or manually informs the alarm devices in the group of countdown switching according to preset switching-off rate, switching-on time and sequence through the centralized monitoring device, the single-phase breaking devices of the terminal switch on according to preset switching-on time after switching off, and other single-phase breaking devices are continuously switched on and off to realize self-over of faults;
when the phase current overload and the three-phase unbalance of the three-phase circuit breaking node device monitored by the centralized monitoring device or the phase current overload and the three-phase unbalance switching-off value issued by the computer monitoring device need to be switched off, the centralized monitoring device directly distributes the switching-off value according to the current load of the single-phase circuit breaking device in the defense area from large to small, and the single-phase circuit breaking device is automatically switched on according to the self-defined time after being switched off, so that the fault is self-surmounting when the computer profiling selection action type is automatic:
when the centralized monitoring device is connected with any lower-level single-phase breaking alarm device, such as smoke, temperature, gas, help seeking and the like, and alarms are transmitted, on one hand, the centralized monitoring device reversely passes through the group display alarm device according to preset information after receiving the alarms, and the group single-phase breaking alarm device is linked to alarm and broken, that is, one user alarms, the group user alarms and breaks the power supply simultaneously, on the other hand, the centralized monitoring device uploads alarm information to a computer, 1-step computer monitoring device transmits the alarm information to the display alarm device according to the preset information or other centralized monitoring devices, the other centralized monitoring devices transmit the alarm information to the single-phase breaking alarm device of the group, so that the single-phase breaking alarm device of the group reaches the larger-range group alarm and break the power supply response, including linkage of an exhaust fan and a water spraying mechanism, if the false alarm is released, the main alarm user is blocked by a brush to recover the power supply, when the lower-level single-phase breaking alarm device connected with the centralized monitoring device is used for fire protection and the water supply control switch, the centralized monitoring device is connected with the alarm device, and then the computer is uploaded, 1-step computer monitoring device transmits a closing instruction to the centralized monitoring device according to the preset information, and the fire protection pump is connected with the single-phase breaking device, and the fire protection pump is executed by the single-phase breaking device or the fire protection device;
The computer monitoring device is characterized by mainly comprising corresponding ladder virtual power grid monitoring service management software, a monitored three-phase circuit breaker, a low-level to high-level electric quantity calculation, display, various audible and visual alarms, IC card reading and writing, centralized monitoring device profiling and information setting and inquiring printing, single-phase circuit breaker profiling and information setting and inquiring printing, dual-power conversion device profiling and information setting and inquiring printing, detection alarm device profiling and information setting and inquiring printing, three-phase circuit breaker profiling, three-phase circuit breaker alarm, single-phase circuit breaker alarm, electric design schematic diagram comparison verification table, virtual power grid tree fork-shaped dynamic circuit diagram, various table settlement, property charging content and other units;
the three-phase circuit breaker monitored by each ladder computer monitoring device is preset with a corresponding relation directly or indirectly connected with the lower-level branch single-phase circuit breaker, the current calculation and current overload design switching-off threshold, the current overload preset early warning threshold and parameters between the thresholds can be automatically or manually adjusted through computer profiling selection, the three-phase balance calculation and unbalance design switching-off threshold, the unbalance preset early warning threshold and parameters between the thresholds can be automatically or manually adjusted through computer profiling selection and other software programs;
Before running, in order to ensure effective monitoring, a basic manager needs to build files and set information through a single-phase breaking device, a detection device, a centralized monitoring device, a three-phase breaking device, a dual-power conversion device and the like monitored by a 1-step computer monitoring device, an upper manager needs to copy build files and set information through a lower-step computer monitoring device monitored by the step computer monitoring device, and build files on the three-phase breaking device monitored by the step computer monitoring device, and each step computer monitoring device is provided with a query printing page for the manager to query;
in operation, when the real-time current load of the three-phase circuit breaker monitored by any ladder computer monitoring device exceeds a switching threshold and the switching value is required to be distributed to the directly connected lower branch three-phase circuit breaker, as each lower branch three-phase circuit breaker may have current load difference, for displaying fairness, the average real-time current load of the lower branch three-phase circuit breaker needs to be calculated by the total number of the corresponding phase connection lower branch single-phase circuit breakers preset by the computer monitoring device, and the switching value is distributed according to the calculated average real-time current load from large to small, until the switching value is distributed to the total three-phase circuit breakers monitored by the centralized monitoring device, and the calculation formula of the phase average real-time current load of the three-phase circuit breakers monitored by each ladder computer monitoring device and the total three-phase circuit breakers monitored by the centralized monitoring device is as follows:
Phase average real-time current load = phase real-time current load +.A computer monitoring device establishes a preset total number of corresponding phase connection lower branch single-phase breaking devices
In operation, in order to reduce the breaking and breaking range of the three-phase breaking device caused by overload of phase current and unbalance of three phases, the alarm phase lower three-phase breaking devices of the three-phase breaking devices except the three-phase breaking device monitored by the centralized monitoring device on the transmission line are required to compare current loads according to preset indirect breaking rates and average current and calculate and distribute indirect breaking names from large to small until the total three-phase breaking devices monitored by the centralized monitoring device are calculated and distributed, and the calculation formula of the breaking names distributed by the alarm phase lower three-phase breaking devices is as follows:
the assigned switching-off value of the lower three-phase circuit breaker of the alarm phase= [ computer profiling preset switching-off number of the alarm three-phase circuit breaker alarm phase-switching-off value of calculated result (0 when not calculated) ] X the assigned three-phase circuit breaker alarm phase average real-time current load/total three-phase circuit breaker alarm phase average real-time current load sum
Calculated according to the above formula, the result can be five cases: firstly, counting the rounded number if the calculated result is decimal, secondly, counting the integer if the calculated remaining number of the breaking is smaller than 1, thirdly, counting the rounded number if the calculated remaining number of the breaking is larger than 1, fourthly, directly distributing the calculated remaining number of the breaking to three-phase breaking devices with the next current magnitude sequence if the calculated remaining number of the breaking is equal to 1, and thirdly, if the number of the three-phase breaking devices to be distributed is 1, and the number of the remaining breaking is all the three-phase breaking devices;
When the communication failure of the lower ladder computer monitoring device and the data center service device is reported to the police (related to the connection of a computer and the number of the upper ladder computer monitoring device for file establishment), the ladder computer monitoring device automatically or manually notifies the alarm device to count down and switch off through the centralized monitoring device according to the preset switching-off rate, switching-on and switching-off time and sequence, and switching on according to the preset switching-on time after the single-phase breaking devices of the terminal are switched off, and other single-phase breaking devices are continuously switched on and off to alarm release so as to avoid the current overload of the three-phase breaking devices monitored by the upper ladder computer monitoring device possibly caused by communication failure;
the data center is characterized by mainly bearing the calculation of big data such as the electric quantity of a three-phase circuit breaker of a monitoring defense area of a computer monitoring device and the storage of various alarm information, wherein the big data is formed by the two-way communication between the computer monitoring devices and the computer monitoring devices;
the dual-power conversion device is characterized by having two conversion modes of EPS and UPS and automatic or manual conversion capability of main and auxiliary power, wherein the manual conversion is preferential, and comprises the conversion during the open circuit such as electric leakage, short circuit, overcurrent, phase failure and the like, and two conversion modes of EPS and UPS exist;
the non-contact IC card device is characterized in that a user uses one card, a group meter reading list is charged, when charging, the user firstly inquires own consumption data, and simultaneously, the copy of the main and auxiliary water meters and the alarm information of the group user can be completed, and each card can charge four users' own meters;
The detection device is characterized by mainly comprising a display alarm device and other detection devices, wherein the display alarm device mainly comprises a singlechip, a software program, a display screen, a help-seeking alarm-eliminating button, a temperature and humidity detection upper computer communication unit, a lower computer passive plurality of normally-open/normally-closed alarm communication interfaces, a DC power on-off relay, a driving circuit unit and the like, and other detection devices comprise smoke feeling, pressure, light feeling, liquid level, approaching, vibration, infrared, magnetic feeling, sound wave, gas, temperature, humidity, a water meter, a gas meter, other devices and the like;
the three-phase circuit breaking device is characterized by having more than one automatic or manual circuit breaking capability of electric leakage, short circuit and fusing;
the single-phase circuit breaking device is characterized by having more than one automatic or manual circuit breaking capability of electric leakage, short circuit and fusing.
The following is a description of the drawings:
since the number of the circuit breaking node devices from power generation to power utilization and the corresponding monitoring devices on the transmission line is not counted, fig. 1 is a schematic diagram of the electrical principle, which is not only a micro-grid input by 3 three-phase power, but also one of numerous configurations of the present invention, and the present invention is further described below with reference to fig. 1:
in fig. 1, only the device name, the number, the phase line code number and the like are represented, wherein PE represents the ground line, N represents the zero line, and other parameters are not marked for reference.
The three-phase power input 1 (rapier head direction) of fig. 1 is connected with a three-phase circuit breaking device 31 through a power transmission wire; the AL phase of the outlet end of the three-phase circuit breaker 31 is connected with the inlet ends AL of the three-phase circuit breakers 12, 13 and 14 respectively, the BL phase is connected with the inlet ends BL of the three-phase circuit breakers 12, 13 and 14 respectively, and the CL phase is connected with the inlet ends CL of the three-phase circuit breakers 12, 13 and 14 respectively; the three-phase electric input 2 (in the direction of the rapier head) is connected with the wire inlet end of the three-phase circuit breaker 11 through a transmission wire; the phase line isolation of the outlet ends of the three-phase circuit breaking devices 11 and 12 is respectively connected with the inlet end of the double-electric conversion device 1 through a transmission wire; the AL phase wire outlet end of the double-electric conversion device 1 is connected with the wire inlet end of the single-phase breaking device 01-03, the BL phase wire outlet end is connected with the wire inlet end of the single-phase breaking device 04-06, and the CL phase wire outlet end is connected with the wire inlet end of the single-phase breaking device 07-08; the AL phase outlet end of the three-phase circuit breaker 13 is respectively connected with the inlet ends of the single-phase circuit breakers 09 and 10 through transmission wires, the BL phase outlet end is directly connected with the inlet end of the single-phase circuit breaker 11 through transmission wires, and the CL phase outlet end is directly connected with the inlet end of the single-phase circuit breaker 12 through transmission wires; the AL phase wire outlet end of the three-phase breaking device 14 is respectively connected with the wire inlet ends of the single-phase breaking devices 13 and 14 through a transmission wire, the BL phase wire outlet end is directly connected with the wire inlet end of the single-phase breaking device 15 through a transmission wire, the CL phase wire outlet end is directly connected with the wire inlet end of the single-phase breaking device 16 through a transmission wire, the wire outlet end of the single-phase breaking device 01 is connected with the single-phase breaking device, and the wire outlet end of the single-phase breaking device is connected with single-phase electric output (in the direction of a rapier head);
The data center service device is respectively connected with the 2-step computer monitoring device and 1-step computer monitoring device 1 in industries such as water-gas heat fire protection, security, earthquake emergency and the like in a two-way communication manner; the 1-step computer monitoring device 1 is respectively connected with the upper computer communication interfaces of the centralized monitoring devices 1, 2 and 3 in a two-way communication manner; the lower computer communication interface of the centralized monitoring device 1 is respectively in bidirectional communication connection with the single-phase breaking and reporting devices 01, 02, 03, 04, 05, 06, 07 and 08 and the upper computer communication interface of the dual-power conversion device 1; the lower computer communication interfaces of the centralized monitoring device 2 are respectively in bidirectional communication connection with the upper computer communication interfaces of the single-phase breaking devices 09, 10, 11 and 12; the lower computer communication interfaces of the centralized monitoring device 3 are respectively in bidirectional communication connection with the upper computer communication interfaces of the single-phase breaking devices 13, 14, 15 and 16; the lower computer communication interface of the single-phase breaking newspaper device 16 is in bidirectional communication connection with the upper computer communication interface of the detection device.
Correspondence of the devices of fig. 1: the centralized monitoring device 1 correspondingly monitors conversion information of the double-electric conversion device 1, various metering and circuit on-off and alarm information of the single-phase breaking device 01-08, current load of the three-phase breaking device 11-12, three-phase balance, group metering and other information; the centralized monitoring device 2 correspondingly monitors various metering and circuit on-off and alarm information of the single-phase breaking and reporting device 05-08, and current load and three-phase balance, group metering and other information of the three-phase breaking device 13; the centralized monitoring device 3 correspondingly monitors various metering, on-off and alarming information of the single-phase breaking devices 13-16, and information such as current load of the three-phase breaking device 14, three-phase balance, group metering and the like; the step 1 computer monitoring device 1 correspondingly monitors the current load of the three-phase circuit breaker 31, the three-phase balance, the group metering and other information, and various information uploaded by the centralized monitoring device; the 2 ladder computer monitoring devices in industries such as water, electricity, gas, heat, fire, security, earthquake, emergency and the like correspond to various information uploaded by the 1 ladder computer monitoring device.
Fig. 1 three-phase circuit interrupting device current load data source: the AL phase data source of the three-phase circuit breaker 11 or 12 is the sum of the current loads of the single-phase circuit breaker 01-03, the BL phase data source is the sum of the current loads of 04-06, and the CL phase data source is the sum of the current loads of 07-08; the AL phase data source of the three-phase circuit breaker 13 is the sum of the current loads of the single-phase circuit breaker 09-10, the BL phase data source is the sum of the current loads 11, and the CL phase data source is the sum of the current loads 12; the AL phase data source of the three-phase circuit breaker 14 is the sum of the current loads of the single-phase circuit breaker 13-14, the BL phase data source is 15 current loads, and the CL phase data source is 16 current loads; the AL phase data source of the three-phase circuit breaker 31 is the sum of current loads of the single-phase circuit breaker 01-03, 09-10 and 13-14, the BL phase data source is the sum of current loads of 04-06, 11 and 15, and the CL phase data source is the sum of current loads of 07-08, 12 and 16.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
(1) comparing the numbers and the number in fig. 1, the 1 ladder computer monitor 1 documents the page as follows:
description: the computer operation process comprises the following steps: in the above tableThe first behavior form filling line can be filled by a gear builder, and the other behavior information storage line and the upper communication failure load shedding mode are automatic and manual Option, click on top of form after completion of filling in item requirement +.>At this time, the contents of the filling list are copied to the following information storage list, and are automatically sorted up and down according to the number of the 1-step computer monitoring device (prepared for the profiling of the step computer) from small to large, if the filling list is needed to be inserted, the computer mouse clicks the upper part of the list first>Filling in the filling form row, and clicking on the upper part of the form after filling When deleting, the mouse list is aimed at the content of the line to be deleted, and then the line is clicked to darken, and then the line is clicked +.>And (3) obtaining the product. (the parameters of the documented content except the name and the number of the icon are assumed
(2) Comparing the numbers and the number in fig. 1, the centralized monitoring device documents the page as follows:
description: the computer operation process comprises the following steps: in the above table, the first row is a form-filling row except for the item rowCan be filled by a constructor, other behavior information storage lines are filled according to project requirements, and the user clicks the upper part of the formAt this time, the contents of the filling list are copied to the following information storage list, and are automatically sorted up and down according to the serial number sequence of the centralized monitoring device from small to large, if the filling list is needed to be inserted, a computer mouse firstly clicks the +.>Filling in the filling form, clicking the top of the form after filling > When deleting, the mouse list is aimed at the content of the line to be deleted, and then the line is clicked to darken, and then the line is clicked +.>And (3) obtaining the product. (the parameters of the documented content except the name and the number of the icon are assumed
(3) Information setting page of centralized monitoring device
Description: under the condition that the 1-step computer monitoring device 1 is effectively connected and communicated with the centralized monitoring device 1, the page information is set by clicking a computer mouseThe numbers of 1, 2 and 3 which are ejected later and arranged up and down are 1, the page is 1, and all parameters are confirmed to be correct and then are monitored in a centralized way through a computer monitoring deviceDevice communication connection, click->The information of the file can be set in the centralized monitoring device after that, including the relevant information corresponding to the file of the data of the three-phase circuit breaker is imported, and the number of the new centralized monitoring device is used for changing the number.
Claims (1)
1. A method for monitoring and managing a physical power grid node device of a virtual power grid mainly comprises the steps that a circuit breaking node comprises a single-phase circuit breaking device, a three-phase circuit breaking device, a double-power conversion device and a single-phase circuit breaking device, a communication node comprises the single-phase circuit breaking device, the double-power conversion device and a detection device comprises a display device, a smoke sensor, a light sensor, a pressure sensor, a liquid level sensor, a proximity sensor, a vibration sensor, an infrared sensor, a magnetic sensor, a sound wave sensor, a gas sensor, a temperature sensor, a humidity sensor, a water meter sensor, a gas meter sensor, a centralized monitoring device, a 1-step computer monitoring device, a 2-step computer monitoring device and a data center service device, wherein the single-phase circuit breaking device integrating the circuit breaking node, the communication node, the virtual power grid and the physical power grid is an information source of the virtual power grid, so that the virtual power grid can possibly utilize large data uploaded by the artificial intelligent technology in real time through the single-phase circuit breaking devices to enable all circuit breaking node devices of a power generation terminal to be in a tree-shaped data chain type form in the virtual power grid, and all communication node devices are in a centralized Internet of things and a hybrid control;
The software of each monitoring device for monitoring the three-phase circuit breaking device comprises three-phase circuit breaking report leakage short circuit when the function is configured as leakage short circuit, three-phase circuit breaking report fusing when the function is configured as fusing, three-phase circuit breaking report short circuit when the function is configured as short circuit, special equipment names are added before the function is configured when special equipment is arranged at an upper level, computer preset is required to be applied when manual brake pulling is performed, then terminal brake pulling is performed after feedback, then the three-phase circuit breaking device is performed manually, then the terminal is stored for switching on, corresponding identification alarm is performed when the single-phase circuit breaking device of the group terminal leaks electricity, short circuit, under voltage, property, fire protection, earthquake and emergency brake pulling are performed, 7x3 = 21 group meter settlement and sum early warning and under fee limit brake of the self-single-phase node, and various single-phase communication devices are correspondingly identified and warned when the main electric meter, the auxiliary electric meter, the water meter, the main electric meter and the auxiliary electric meter, the auxiliary water meter and the 6 group meter and the sum warning limit warning and the sum warning limit brake of the under fee are required to be applied, and various communication devices are correspondingly identified and warned when the single-phase circuit breaking device of the single-phase node is connected, and various communication devices are respectively used for settlement and communication devices are respectively connected;
Data source: the data and alarm information uploaded by the single-phase breaking and reporting device are data sources of a centralized monitoring device, the data calculated by the lower branch three-phase breaking device of the three-phase breaking device monitored by the centralized monitoring device are data sources of an upper three-phase breaking device, the data calculated by the total three-phase breaking device is a data source of a 1-step computer monitoring device, the data calculated by the lower branch three-phase breaking device of the three-phase breaking device monitored by the 1-step computer monitoring device is a data source of an upper three-phase breaking device, and the data calculated by the total three-phase breaking device is a data source of a 2-step computer monitoring device;
when any monitoring device monitors 1 three-phase circuit breaker, the device is a total three-phase circuit breaker, and when any monitoring device monitors a plurality of upper and lower three-phase circuit breakers, the device is the total three-phase circuit breaker at the uppermost stage;
in operation, when the three-phase circuit breaking device is directly connected with the lower branch single-phase circuit breaking device or is directly connected with the lower branch three-phase circuit breaking device, the real-time current load is calculated according to the self-defined line loss rate preset by computer profiling, and the calculation formulas for identifying the real-time current load are respectively as follows:
(1) when the three-phase circuit breaking device is directly connected with the lower-level branch single-phase breaking device
Real-time phase current load = sum of phase data corresponding to directly connected lower branch single-phase breaking device + sum X custom line loss rate of phase data corresponding to directly connected lower branch single-phase breaking device
(2) When the lower branch of the three-phase circuit breaker is directly connected with the three-phase circuit breaker
Real-time phase current load = sum of corresponding phase data of directly connected lower-level branch three-phase circuit breaker + sum of corresponding phase data of directly connected lower-level branch three-phase circuit breaker X custom line loss rate
In operation, when the three-phase circuit breaking device monitored by any monitoring device is required to be relieved and leveled when the overload switching-out is exceeded or the unbalanced switching-out is exceeded by the alarming phase current, in order to reduce the power-off range of the three-phase circuit breaking device, the power-off range is controlled according to the switching-out quantity and the self-defined switching-out rate of the lower-level branch single-phase circuit breaking device which are directly or indirectly connected with the corresponding phase preset by computer profiling, and the calculation formula of the switching-out quantity of the lower-level branch single-phase circuit breaking device which is directly or indirectly connected with the power-off range is as follows:
preset phase opening number = number X of directly or indirectly connected lower branch single-phase breaking devices, and the opening rate is defined by the total number X of the lower branch single-phase breaking devices
Three-phase balance degree calculation formula of three-phase circuit breaking node device:
three-phase balance = (maximum real-time current load-minimum real-time current load)/(maximum real-time current load)
In operation, when the upper and lower three-phase circuit breaking devices monitored by any monitoring device are in corresponding direct or indirect connection with the lower-level branch single-phase circuit breaking device and alarm or the public part reports an undervoltage alarm, the corresponding monitoring device of the upper-level three-phase circuit breaking device alarms according to the principle of not reporting the undervoltage alarm, the alarm source is a single-phase circuit breaking device, and when the upper and lower three-phase circuit breaking devices alarm that the current load of the phase is out of limits or the three-phase unbalance is out of limits and needs to be relieved, the corresponding monitoring device of the lower-level alarm three-phase circuit breaking device is subjected to priority treatment according to the principle of first and second, and the alarm source is the corresponding monitoring device and is represented by the corresponding three-phase circuit breaking device;
in operation, the flow of the dual-power eps conversion device monitored by each level of monitoring device is that the computer monitoring device firstly reports the data to the corresponding terminal single-phase breaking reporting device, then the computer monitoring device transmits a conversion instruction to the dual-power conversion device after the data are fed back, and the computer monitoring device transmits a conversion metering storage area instruction to the terminal single-phase breaking reporting device after the data are fed back successfully;
the single-phase breaking alarm device is characterized by mainly comprising a single-chip microcomputer and a software program for monitoring management, a clock, current pulse generation, current load measurement, current on-off identification, over-under voltage identification, upper computer communication, lower computer communication, electric leakage identification, short circuit identification, electric leakage self-checking identification, main ammeter measurement data storage, auxiliary ammeter 20 measurement data storage, indicator lamp different frequency flashing indication alarm types, water meter acquisition and charging storage of two rate types, gas meter acquisition and charging storage of two rate types, relay driving and relay, internal or external display, internal or external single-chip microcomputer power supply and internal or external IC card read-write card unit, wherein the upper computer communication unit is connected with the lower computer communication unit of the centralized device, the lower computer communication unit is connected with the upper computer communication unit of the detection device, and computer file and information setting are firstly carried out on the opened functions before operation;
The computer filing page of the single-phase breaking device is provided with the contents which are required to be correspondingly filled in,the symbol can be selected according to actual needs: the main phase line type-AL/BL/CL, the use type-private/public, the user type-residential/commercial/other, the electric change preset threshold mode-automatic/manual, the applicable voltage-220V/110V, the electricity type-single-phase/three-phase, the pulse constant-10/100/200/400/800/1600/3200 of the water-electricity meter, the name of who generates electricity by the auxiliary electric meter information is measured to be-01/02/03/04/05/06/07/08/09/10/11/12/13/14/15/16/17/18/19/20, the payment type-prepayment/postpaid; measuring failure early warning and switching off preset threshold hours-00 natural numbers, rate types-common/four steps/four time periods, wallet types-respective settlement of each meter, primary and secondary electric meter mixed settlement, primary and secondary water vapor meter mixed settlement, superior group primary electric meter settlement, superior device group secondary electric meter settlement, superior group primary and secondary electric meter mixed settlement, superior group primary and secondary water vapor meter mixed settlement, superior group water meter settlement and superior group gas meter settlement;
the single-phase breaking device software program adopts an artificial intelligence technology to identify faults and carry out consumption settlement, and mainly comprises presetting current calculation and overload early warning and switching-off identification thresholds in a singlechip unit, presetting a self-current overload switching-off and passive current overload switching-off self-timeout delay switching-on process of a single-phase breaking node device, presetting a current breaking, undervoltage, electric leakage, short circuit, electric leakage self-checking failure, lower computer communication failure, various meter metering failure early warning and metering failure, electric switch failure, various detection device alarms, manual button switching, various meter metering anomalies, main ammeter amount early warning and underload switching-off, auxiliary amount early warning and auxiliary load switching-off, main ammeter amount total amount early warning and underload switching-off, water meter amount early warning and underload switching-off, main power storage area of double power conversion 20 auxiliary power supply metering storage areas, IC card reverse-to the following, and user electric meter amount early warning and underload switching-off, and the current meter amount early warning and underload switching-off, and the meter amount alarm and the underload switching-off, and the single-phase breaking device is capable of carrying out the alarm device is capable of carrying out the following the calculation of the current calculation and the real-time consumption calculation of the alarm device.
Real-time current load = current load monitoring defines the number of pulses received at a cycle time 1000 watts 60 minutes pulse constant voltage
The single-phase breaking device is divided into two grades by over-under voltage identification, the public single-phase breaking device is lower in over-under voltage identification grade and has no over-under voltage switching-on protection function, the over-under voltage early warning is identified according to early warning profiling, the private single-phase breaking device is higher in over-under voltage identification grade and has the over-under voltage switching-on protection function, the over-under voltage switching-on and the current overload switching-on are profiled, and self-defined switching-on time is automatically delayed to be switched on according to computer profiling after the over-under voltage switching-on and the current overload switching-on so as to realize fault self-healing;
the centralized monitoring device is characterized by mainly comprising a singlechip and a virtual power grid monitoring management software program, data storage, upper computer communication, lower computer communication, display, voice, a singlechip power supply, IC card read-write, and computer profiling and information setting of the functions to be started before operation;
the flow of the dual-power supply ups conversion device monitored by the centralized monitoring device is that the dual-power supply ups conversion device firstly converts and then reports to the computer monitoring device, and then the computer monitoring device sends a conversion metering storage area instruction to the terminal single-phase off-reporting device;
the centralized monitoring device presets a single-phase and three-phase group artificial intelligent ic card settlement wallet in a software program, and comprises group main electric meter settlement/group auxiliary electric meter settlement/group main and auxiliary electric meter mixed settlement/group main and auxiliary water vapor meter mixed settlement/meter sharing settlement;
When the centralized monitoring device and the computer monitoring device are in communication failure alarm, the centralized monitoring device automatically or manually informs the alarm devices in the group of countdown switching according to preset switching-off rate, switching-on time and sequence through the centralized monitoring device, the terminal single-phase switching-off device switches on according to preset switching-on time after switching-off, and other single-phase switching-off devices switch on and off continuously and circulate to alarm release so as to realize self-healing of faults;
when the phase current overload and the three-phase unbalance of the three-phase circuit breaking node device monitored by the centralized monitoring device or the phase current overload and the three-phase unbalance switching-off value issued by the computer monitoring device need to be switched off, the centralized monitoring device directly distributes the switching-off value according to the current load of the single-phase circuit breaking device in the defense area from large to small, and the single-phase circuit breaking device is automatically switched on according to the self-defined time after being switched off, so that the fault self-healing of the computer is realized when the type of the computer profiling selection action is automatic:
when the lower-level arbitrary single-phase alarm breaking device connected with the centralized monitoring device is used for carrying out smoke, temperature, gas and help alarms, on one hand, the centralized monitoring device reversely passes through the group display alarm device to link the alarm and the group single-phase alarm breaking device to break the power according to preset information after receiving the alarm, that is, one user alarms and the power breaks simultaneously, on the other hand, the centralized monitoring device uploads the alarm information to a computer, 1-step computer monitoring device sends the alarm information to other centralized monitoring devices according to the preset information, the other centralized monitoring devices send the alarm information to the display alarm device through the group single-phase alarm breaking device, so that the group alarm and the power breaks the response reach a wider range, including fire door, exhaust fan and water spraying mechanism linkage, if the alarm is released, the main alarm user is blocked by a card to recover the power, when the display alarm device monitored by the lower-level single-phase alarm breaking device connected with the centralized monitoring device is used for controlling a switch for fire protection, the centralized monitoring device is used for uploading a computer after receiving the alarm, 1-step computer monitoring device sends a switch-on command to the centralized monitoring device, and the fire protection pump is connected with the single-phase or three-phase alarm breaking device is executed by the single-phase device connected with the fire protection pump;
The computer monitoring device is characterized by mainly comprising corresponding ladder virtual power grid monitoring service management software, a monitored three-phase circuit breaker, a lower-level to upper-level electric quantity calculation, display, various audible and visual alarms, IC card reading and writing, centralized monitoring device profiling and information setting and inquiring printing, single-phase circuit breaker profiling and information setting and inquiring printing, dual-power conversion device profiling and information setting and inquiring printing, detection alarm device profiling and information setting and inquiring printing, three-phase circuit breaker profiling, three-phase circuit breaker alarm, single-phase circuit breaker alarm, electric design schematic diagram comparison verification table, virtual power grid tree fork-shaped dynamic circuit diagram, various table settlement and property charging content units;
the three-phase circuit breaker monitored by each ladder computer monitoring device is preset with a corresponding relation directly or indirectly connected with the lower-level branch single-phase circuit breaker, parameters between a current calculation and current overload design switching-off threshold, a current overload preset early warning threshold and the thresholds can be automatically or manually adjusted through computer profiling selection, the three-phase balance calculation and unbalance design switching-off threshold, the unbalance preset early warning threshold and the parameters between the thresholds can be automatically or manually adjusted through computer profiling selection;
Before running, in order to ensure effective monitoring, a basic manager needs to carry out profiling and information setting through a single-phase breaking device, various detection devices, a centralized monitoring device, a three-phase breaking device and a dual-power conversion device monitored by a 1-step computer monitoring device, an upper manager needs to copy profiling information and set information through a lower-step computer monitoring device monitored by the step computer monitoring device, and carries out profiling on the three-phase breaking device monitored by the step computer monitoring device, and each step computer monitoring device is provided with a query printing page for the manager to query;
in operation, when the real-time current load of the three-phase circuit breaker monitored by any ladder computer monitoring device exceeds a switching threshold and the switching value is required to be distributed to the directly connected lower branch three-phase circuit breaker, as each lower branch three-phase circuit breaker may have current load difference, for displaying fairness, the average real-time current load of the lower branch three-phase circuit breaker needs to be calculated by the total number of the corresponding phase connection lower branch single-phase circuit breakers preset by the computer monitoring device, and the switching value is distributed according to the calculated average real-time current load from large to small, until the switching value is distributed to the total three-phase circuit breakers monitored by the centralized monitoring device, and the calculation formula of the phase average real-time current load of the three-phase circuit breakers monitored by each ladder computer monitoring device and the total three-phase circuit breakers monitored by the centralized monitoring device is as follows:
Phase average real-time current load = phase real-time current load +.A computer monitoring device establishes a preset total number of corresponding phase connection lower branch single-phase breaking devices
In operation, in order to reduce the breaking and breaking range of the three-phase breaking device caused by overload of phase current and unbalance of three phases, the alarm phase lower three-phase breaking devices of the three-phase breaking devices except the three-phase breaking device monitored by the centralized monitoring device on the transmission line are required to compare current loads according to preset indirect breaking rates and average current and calculate and distribute indirect breaking names from large to small until the total three-phase breaking devices monitored by the centralized monitoring device are calculated and distributed, and the calculation formula of the breaking names distributed by the alarm phase lower three-phase breaking devices is as follows:
alarm phase lower three-phase breaker allocated switching value = [ alarm three-phase breaker alarm phase computer profiling preset switching number-calculated switching value ] X allocated three-phase breaker alarm phase average real-time current load +.
Calculated according to the above formula, the result can be five cases: firstly, counting the rounded number if the calculated result is decimal, secondly, counting the integer if the calculated remaining number of the breaking is smaller than 1, thirdly, counting the rounded number if the calculated remaining number of the breaking is larger than 1, fourthly, directly distributing the calculated remaining number of the breaking to three-phase breaking devices with the next current magnitude sequence if the calculated remaining number of the breaking is equal to 1, and thirdly, if the number of the three-phase breaking devices to be distributed is 1, and the number of the remaining breaking is all the three-phase breaking devices;
When the communication failure of the lower ladder computer monitoring device and the data center service device gives an alarm, the ladder computer monitoring device automatically or manually informs the alarm device to count down and switch off through the centralized monitoring device according to the preset switching-off rate, switching-off time and sequence, the terminal single-phase breaking device switches on according to the preset switching-on time after switching off, and other single-phase breaking devices switch on and off continuously and circulate to alarm release so as to avoid the current overload of the three-phase breaking device monitored by the upper ladder computer monitoring device due to communication failure;
the data center is characterized by mainly bearing the two-way communication between the computer monitoring devices and the computer monitoring devices, the calculation of the big data of the electric quantity of the three-phase circuit breaking device in the monitoring defense area of the upper computer monitoring devices and the storage of various alarm information;
the dual-power conversion device is characterized by having two conversion modes of EPS and UPS and automatic or manual conversion capability of main and auxiliary power, wherein the manual conversion is preferential, and comprises the conversion during electric leakage, short circuit, overcurrent and open-phase circuit, and two conversion modes of EPS and UPS exist;
the non-contact IC card device is characterized in that a user uses one card, a group meter reading list is charged, when charging, the user firstly inquires own consumption data, and simultaneously, the copy of the main and auxiliary water meters and the alarm information of the group user can be completed, and each card can charge four users' own meters;
The detection device is characterized by mainly comprising a display alarm device and other detection devices, wherein the display alarm device mainly comprises a singlechip, a software program, a display screen, a help-seeking alarm-eliminating button, a temperature and humidity detection upper computer communication unit, a lower computer passive plurality of normally-open/normally-closed alarm communication interfaces, a DC power on-off relay and a driving circuit unit, and the other detection devices comprise smoke sensing, pressure, light sensing, liquid level, approaching, vibration, infrared, magnetic sensing, sound waves, gas, temperature, humidity, water meter and gas meter detection devices;
the three-phase circuit breaking device is characterized by having more than one automatic or manual circuit breaking capability of electric leakage, short circuit and fusing;
the single-phase circuit breaking device is characterized by having more than one automatic or manual circuit breaking capability of electric leakage, short circuit and fusing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046391.2A CN114301894B (en) | 2020-09-20 | 2020-09-20 | Method for monitoring and managing entity power grid node device by virtual power grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046391.2A CN114301894B (en) | 2020-09-20 | 2020-09-20 | Method for monitoring and managing entity power grid node device by virtual power grid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114301894A CN114301894A (en) | 2022-04-08 |
| CN114301894B true CN114301894B (en) | 2024-02-13 |
Family
ID=80963876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046391.2A Active CN114301894B (en) | 2020-09-20 | 2020-09-20 | Method for monitoring and managing entity power grid node device by virtual power grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114301894B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118091400B (en) * | 2024-04-29 | 2024-06-28 | 共鸿电器有限公司 | Environment-friendly cabinet early warning method, equipment and medium based on vibration signal identification |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100125809A (en) * | 2009-05-21 | 2010-12-01 | 엘에스산전 주식회사 | Smart cabinet panel and method for building management using the same panel |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN106997648A (en) * | 2017-06-02 | 2017-08-01 | 惠州市锦励科技有限公司 | A kind of remote fire monitoring electric meter system based on Internet of Things |
| CN107610401A (en) * | 2017-07-24 | 2018-01-19 | 广西安讯科技投资有限公司 | Electric fire monitoring system |
| WO2020083396A1 (en) * | 2018-10-25 | 2020-04-30 | 山东电工电气集团新能科技有限公司 | Commutation type automatic adjusting device for three-phase current imbalance |
-
2020
- 2020-09-20 CN CN202011046391.2A patent/CN114301894B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100125809A (en) * | 2009-05-21 | 2010-12-01 | 엘에스산전 주식회사 | Smart cabinet panel and method for building management using the same panel |
| CN102830255A (en) * | 2012-08-23 | 2012-12-19 | 王金泽 | Smart electricity meter with function of monitoring and protecting power failure |
| CN106997648A (en) * | 2017-06-02 | 2017-08-01 | 惠州市锦励科技有限公司 | A kind of remote fire monitoring electric meter system based on Internet of Things |
| CN107610401A (en) * | 2017-07-24 | 2018-01-19 | 广西安讯科技投资有限公司 | Electric fire monitoring system |
| WO2020083396A1 (en) * | 2018-10-25 | 2020-04-30 | 山东电工电气集团新能科技有限公司 | Commutation type automatic adjusting device for three-phase current imbalance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114301894A (en) | 2022-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103259276B (en) | Automated intelligent distribution system and distribution method | |
| CN107147215A (en) | The Distribution Fault Location System and method of combined circuit overload data analysis | |
| CN109596873A (en) | A kind of intelligent electric meter with warning function | |
| CN104701989B (en) | Power network and the double net coupling modeling methods of communication network isomery under intelligent grid background | |
| US11740266B2 (en) | Systems and methods for monitoring energy-related data in an electrical system | |
| CN108859830A (en) | A kind of power-supply management system of electric automobile charging pile intelligent power distribution and the charging pile for having the system | |
| CN204835714U (en) | Intelligent power distribution platform flora all | |
| CN105529823A (en) | Terminals and terminal building system based on electric load management intelligent recognition system | |
| Rasmussen et al. | A review of cyber-physical energy system security assessment | |
| CN104377822A (en) | Low-voltage distribution area monitoring system | |
| CN110515333B (en) | Intelligent Internet of things terminal box, ubiquitous power Internet of things platform and application method thereof | |
| CN108551166A (en) | A kind of grid equipment and section ultra-short term, alarm and steady prosecutor method | |
| CN104835077B (en) | The static security analysis system of function is supported with dispatcher's prediction failure | |
| CN104835078B (en) | Consider that the trend of prepared auto restart action determines method in static security analysis system | |
| CN114301894B (en) | Method for monitoring and managing entity power grid node device by virtual power grid | |
| Sebastian et al. | Internet of things based smart energy meter with fault detection feature and theft detection | |
| CN104809659B (en) | Intelligent advanced application system suitable for districted dispatch system | |
| CN106253344B (en) | A kind of electric power networks and its control system and control method, network scheduling device | |
| EP2700139A1 (en) | Method and apparatus in an electricity distribution network | |
| CN104142648B (en) | Urban track traffic low-voltage distribution system control terminal | |
| KR102675326B1 (en) | Apparatus and method for operation prediction of air circuit breaker in power receiving equipment | |
| CN114301173A (en) | Intelligent safety power utilization management and control system based on miniature management terminal | |
| CN207457385U (en) | A kind of movable type load Analysis warning system | |
| CN104166386B (en) | High aititude photovoltaic plant grid disturbance simulation detection equipment consistency operation monitoring system | |
| CN114336980A (en) | Intelligent cloud power distribution method and system based on instruction transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |