CN113422431A - Novel intelligent integrated power monitoring system - Google Patents
Novel intelligent integrated power monitoring system Download PDFInfo
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- CN113422431A CN113422431A CN202110671315.9A CN202110671315A CN113422431A CN 113422431 A CN113422431 A CN 113422431A CN 202110671315 A CN202110671315 A CN 202110671315A CN 113422431 A CN113422431 A CN 113422431A
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- 238000004891 communication Methods 0.000 claims abstract description 33
- 230000003068 static effect Effects 0.000 claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000012546 transfer Methods 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 3
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/12—Energy storage units, uninterruptible power supply [UPS] systems or standby or emergency generators, e.g. in the last power distribution stages
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Inverter Devices (AREA)
Abstract
The invention discloses a novel intelligent integrated power supply monitoring system, in particular to the field of negative electricity power supply control, which comprises a plurality of UPS hosts, wherein adjacent UPS hosts are connected through a power line parallel signal, and after parallel connection, static switches are correspondingly arranged on circuits of single UPS hosts; the UPS host computer includes that the front side is equipped with operating panel, the UPS host computer rear side is equipped with the rear panel. The series power supply is specially designed for power plants and transformer substations, has an online zero-delay conversion function, is widely applied to places with higher load requirements on voltage, such as power system telecontrol, communication, carrier wave, relay protection and emergency lighting, can also provide power for AC lubricating pumps, AC fans and water pumps of the power plants, can greatly solve the problem of system faults of the existing power systems, and ensures the effective operation of power supply monitoring.
Description
Technical Field
The invention relates to the technical field of negative electricity power supply control, in particular to a novel intelligent integrated power supply monitoring system.
Background
At present, the power grid dispatching automation is mature and complete, and more transformer substations are unattended. However, after people are evacuated, safe operation of the substation becomes extremely important, and the demand for safety monitoring is becoming stronger and stronger. Although the power grid dispatching automation system covers the information of part of the communication power supply system, the operation condition of most communication equipment cannot be completely grasped.
In a transformer substation, a communication power supply is responsible for providing power for communication loads such as a dispatching switch, a communication distribution frame and a power line carrier machine in the transformer substation, and is one of important components for ensuring the normal operation of the transformer substation. At present, a transformer substation develops towards the direction of digital, unattended and networked centralized management, various electrical devices gradually realize remote monitoring, but no perfect implementation scheme exists for remote online monitoring of a communication power supply; therefore, the operation condition of the communication system cannot be fully reflected, and particularly, when the communication system is in an abnormal initial operation stage, the dispatching automation system cannot detect a fault state, which is not favorable for real-time monitoring of the communication power supply system and the whole power grid system.
The existing power plant or substation is especially used for power system telecontrol, communication, carrier wave, relay protection and accident lighting because of huge power consumption, but because of huge power consumption, the loss of monitoring data and even larger safety behavior are often caused by system faults in the using process, and great inconvenience is brought to power monitoring work.
Disclosure of Invention
In order to overcome the above defects in the prior art, an embodiment of the present invention provides a novel intelligent integrated power monitoring system, and the technical problems to be solved by the present invention are: how to solve the system fault problem of current power system with the high efficiency, guarantee the effective operation of power monitoring.
In order to achieve the purpose, the invention provides the following technical scheme: a novel intelligent integrated power supply monitoring system comprises a plurality of UPS hosts, wherein adjacent UPS hosts are connected through a power line parallel signal, and after parallel connection, static switches are correspondingly arranged on circuits of single UPS hosts;
the UPS host comprises an operation panel arranged on the front side, and a rear panel arranged on the rear side of the UPS host;
the operation panel comprises an input indicator light, a bypass indicator light, a battery mode and battery power indicator light, an inverter indicator light, a load overload use indicator light, a fault indicator light, an LCD (liquid crystal display), a cancel key, an up page turning key, a down page turning key and a confirm key;
the rear panel comprises a power switch, a first communication interface, a second communication interface, a host exhaust fan, a host power distribution terminal row and a parallel machine data interface;
the input indicator lamp is used for inputting indication for mains supply;
the bypass indicator lamp outputs indication for bypass power supply;
the battery mode and battery power indicator light is a battery inversion mode and battery energy exhaustion indication;
the inverter indicator lamp is used for outputting indication for the power supply of the power UPS;
the load overload use indicator lamp is used for indicating overload of the power consumption of the user;
the fault indicator lamp is used for indicating the UPS fault;
the LCD displays data signals;
the first communication interface, the second communication interface and the parallel operation data interface of the rear panel on each UPS host are connected in parallel by using power lines, and the UPS hosts in parallel exchange respective operation data through the power lines;
firstly, turning on a power switch on a rear panel, and simultaneously turning on an input indicator lamp and a bypass indicator lamp on an operation panel;
after the UPS host is started, the input indicator lamp of the operation panel and the bypass indicator lamp are continuously bright, the page up key is pressed, the LCD displays that the input is normal, the bypass is normal, the battery is normal, and the commercial power is supplied by the bypass and output;
after 20 seconds, the input indicator lamp of the operation panel is bright, the bypass indicator lamp is turned off, the inverter indicator lamp is bright, the LCD displays that the input is normal, the bypass is normal, the battery is normal, and the power supply is supplied by the power UPS for output;
the input power supply of the UPS host machine is cut off, the input indicator lamp flickers, the bypass indicator lamp flickers, the LCD displays that the input is abnormal, the bypass is abnormal, the battery is normal, and the power supply output is carried out by the power UPS;
when the UPS host is initially powered on, the commercial power is output to the static transfer switch through the bypass switch to supply power to the load;
when the UPS works normally, alternating current input is transmitted to the rectifier after passing through the input isolation transformer, converted into direct current and then transmitted to the UPS host, and the direct current is converted into a pure sine wave power supply by the UPS host, converted and output through the static switch and supplied to a load;
when the commercial power is cut off, the direct current power supply is converted into a pure sine wave power supply through the UPS host machine, and the pure sine wave power supply is converted and output through the static switch to supply power to the load;
when the UPS host is initially powered on, the bypass input is output through the static switch; when the system normally operates, an alternating current input power supply is rectified into direct current by a rectifier after passing through an input isolation transformer, is converted into a pure sine wave power supply by an electric UPS host, is disconnected from bypass output by a static switch, and is output by a pure inverter power supply and sent to user equipment for use;
when the commercial power is cut off, the direct current source supplies power to the UPS host machine for inversion, and the inverted power is output by the static switch and is sent to equipment for use;
when one UPS host computer fails, the UPS host computer automatically quits the system, does not affect other UPS host computers, and is output by the other UPS host computer to supply power to equipment;
when the whole parallel operation system has faults, the whole system is supplied with power by the bypass output;
when the UPS host is overloaded, the load of the whole system is not reduced at the moment, all the UPS hosts quit the system, the whole system is switched to bypass output, the load is recovered to a normal level, all the UPS hosts automatically return to a normal inversion state, and power is provided by inversion;
restoring the input power of the UPS host, lighting an input indicator lamp, pressing the display of the LCD, switching display items by a page turning down key/a confirmation key, and checking whether the display value is normal, namely completing a first startup procedure;
pressing LCD display, switching display items by page down key/confirm key, and checking whether the display value is normal.
In a preferred embodiment, the first communication interface is set as one of an RS232 interface or an RS485 interface, and the second communication interface is set as an RS485 interface.
In a preferred embodiment, the UPS host is set to any one of 2-3KVA, 4-5KVA-15K or 8-10KVA with the same model, and the rated input voltage is 220V of commercial power.
In a preferred embodiment, the input and output power lines of each UPS host have the same length and the same specification.
In a preferred embodiment, the main power distribution terminal row is provided as a three-in single-out, direct-current 110V power distribution terminal row.
The invention has the technical effects and advantages that:
the series power supply is specially designed for power plants and transformer substations, has an online zero-delay conversion function, is widely applied to places with higher load requirements on voltage, such as power system telecontrol, communication, carrier wave, relay protection and emergency lighting, can also provide power for AC lubricating pumps, AC fans and water pumps of the power plants, can greatly solve the problem of system faults of the existing power systems, and ensures the effective operation of power supply monitoring.
Drawings
Fig. 1 is a schematic overall structure diagram of the external form of the invention.
Fig. 2 is a schematic structural diagram of an operation panel according to the present invention.
Fig. 3 is a schematic diagram of a rear panel structure according to the present invention.
Fig. 4 is a schematic diagram of a parallel operation connection circuit of the UPS hosts according to the present invention.
FIG. 5 is a flow chart of a first aspect of the present invention.
FIG. 6 is a flow chart of a second aspect of the present invention.
FIG. 7 is a flow chart of a third aspect of the present invention.
FIG. 8 is a block diagram of a stand-alone circuit of the UPS system according to the present invention.
Fig. 9 is a block diagram of a UPS system architecture parallel operation circuit according to the present invention.
The reference signs are: 1UPS host, 11 operation panel, 111 input indicator light, 112 bypass indicator light, 113 battery mode and battery power indicator light, 114 inverter indicator light, 115 load overload use indicator light, 116 fault indicator light, 117 LCD liquid crystal display, 118 cancel key, 119 page up key, 1110 page down key, 1111 confirm key, 12 back panel, 121 first communication interface, 122 second communication interface, 123 host exhaust fan, 124 host power distribution terminal row, 125 parallel machine data interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a novel intelligent integrated power supply monitoring system which comprises a plurality of UPS hosts 1, wherein adjacent UPS hosts 1 are connected through power line parallel operation signals, and after parallel connection, static switches are correspondingly arranged on circuits of a single UPS host 1;
the UPS host 1 comprises an operation panel 11 arranged on the front side, and a rear panel 1112 arranged on the rear side of the UPS host 1;
the operation panel 11 comprises an input indicator lamp 111, a bypass indicator lamp 112, a battery mode and battery level indicator lamp 113, an inverter indicator lamp 114, a load overload use indicator lamp 115, a fault indicator lamp 116, an LCD (liquid crystal display) 117, a cancel key 118, an up page turning key 119, a down page turning key 1110 and an enter key 1111;
the rear panel 1112 comprises a power switch, a first communication interface 121, a second communication interface 122, a host exhaust fan 123, a host power distribution terminal row 124 and a parallel operation data interface 125;
wherein, the input indicator lamp 111 is used for inputting indication for the mains supply;
the battery mode and battery level indicator light 113 indicates battery inverter mode and battery energy imminent exhaustion;
the inverter indicator lamp 114 outputs indication for the power supply of the power UPS;
the load overload usage indicator light 115 indicates the overload of the power consumption of the user;
the LCD 117 displays data signals;
the first communication interface 121, the second communication interface 122 and the parallel operation data interface 125 of the back panel 1112 on each UPS host 1 are connected in parallel by using power lines, and the UPS hosts 1 in parallel exchange respective operation data through the power lines;
firstly, the power switch on the back panel 1112 is turned on, and the input indicator lamp 111 and the bypass indicator lamp 112 on the operation panel 11 are simultaneously turned on;
after the UPS host 1 is started, the input indicator 111 and the bypass indicator 112 of the operation panel 11 are continuously bright, the page up key 119 is pressed, the LCD 117 displays normal input, normal bypass, and normal battery, and the mains supply supplies power and outputs the power through the bypass;
after 20 seconds, the input indicator lamp 111 of the operation panel 11 is bright, the bypass indicator lamp 112 is off, the inverter indicator lamp 114 is bright, the LCD 117 displays normal input, normal bypass and normal battery, and the power supply is used for supplying power and outputting;
the input power supply of the UPS host machine 1 is cut off, the input indicator lamp 111 flickers, the bypass indicator lamp 112 flickers, the LCD liquid crystal display 117 displays that the input is abnormal, the bypass is abnormal, the battery is normal, and the power supply output is carried out by the electric UPS;
when the UPS host 1 is initially powered on, the commercial power is output to the static transfer switch through the bypass switch to supply power to the load (see fig. 8);
when the UPS works normally, alternating current input is transmitted to the rectifier after passing through the input isolation transformer, converted into direct current and then transmitted to the UPS host 1, the direct current is converted into a pure sine wave power supply by the UPS host 1, and the pure sine wave power supply is converted and output through the static switch to supply power to a load;
when the commercial power is cut off, the direct current power supply is converted into a pure sine wave power supply through the UPS host 1, and the pure sine wave power supply is converted and output through the static switch to supply power to the load;
when the UPS host 1 is initially powered up, the bypass input passes through the static switch output (see fig. 9); during normal operation, an alternating current input power supply is rectified into direct current by a rectifier after passing through an input isolation transformer, is converted into a pure sine wave power supply by the power UPS host 1, is disconnected from bypass output by a static switch, and is output by a pure inverter power supply to be sent to user equipment for use;
when the commercial power is cut off, the direct current source supplies power to the UPS host 1, the power is inverted and then output by the static switch and is sent to the equipment for use;
when one UPS host 1 breaks down, the UPS host automatically quits the system, does not affect other UPS hosts 1, and is output by the other UPS host 1 to supply power to equipment;
when the whole parallel operation system has faults, the whole system is supplied with power by the bypass output;
when the UPS host 1 is overloaded, the load of the whole system is not reduced at the moment, all the UPS hosts 1 quit the system, the whole system is switched to bypass output, the load is recovered to a normal level, all the UPS hosts 1 automatically return to a normal inversion state, and power is provided by inversion;
restoring the input power of the UPS host 1, lighting the input indicator lamp 111, pressing the LCD 117 to display, switching the display items by the page down key 1110 and the enter key 1111, checking whether the display value is normal, and completing the first startup procedure;
the first communication interface 121 is set as one of an RS232 interface or an RS485 interface, the second communication interface 122 is set as an RS485 interface, the UPS host 1 is set as any one of 2-3KVA, 4-5KVA-15K or 8-10KVA with the same model, the rated input voltage is 220V, the input and output power lines of each UPS host 1 have the same length and the same specification (as shown in fig. 4), that is: a1= a2= A3, B1= B2= B3, C1= C2= C3, and D1= D2= D3, so as to avoid redundancy of data lines in a ring structure, and the host power supply terminal row 124 is configured as a three-in single-outlet, direct-current 110V power supply terminal row.
As shown in fig. 1 to 9, the embodiment specifically is as follows:
(1) the UPS mainframe 1 operates in a state that the commercial power is supplied normally, and the UPS mainframe 1 operates normally without treatment;
(2) the running state of the UPS host 1 is that the commercial power is normally supplied, the UPS host 1 is normally operated, the power of the direct current source is insufficient, and the direct current source part is checked;
(3) the UPS host 1 operates under the condition that the mains supply is normal and is supplied by the mains supply, the startup key of the UPS host 1 is not pressed down by the operation panel 11, the UPS host 1 is not started, and the operation is processed according to B in the figure 5;
(4) the UPS host machine 1 operates in a mode that the UPS host machine 1 operates in 125% overload and the overload indicator light is bright, and the processing mode is to reduce the load and enable the display value of the LCD output power to be less than 100%; if the situation is still unchanged after the load is lightened, processing is carried out according to the figure 6;
(5) the running condition of the UPS mainframe 1 is that the commercial power is normally supplied, the UPS mainframe 1 runs abnormally, the power is supplied by a bypass, and the processing is carried out according to the figure 7;
(6) the UPS host machine 1 is in running state that the commercial power is cut off (the commercial power indicator lamp flickers), the bypass indicator lamp 112 flickers, the direct current source supplies power, and the load is fully loaded for use; if the commercial power is actually cut off, unnecessary load is reduced to increase the service time; if abnormal power failure is treated as A in FIG. 5;
(7) the UPS host machine 1 is in a running state that the AC input is powered off and is powered by a DC source, and a DC source energy indicator lamp flickers; the UPS host 1 will automatically shut down, store important data and prepare for shutdown;
(8) the UPS host 1 is in an operating state that the UPS host 1 is automatically shut down when the commercial power is cut off and the battery power is used up; after the mains supply is waited, the UPS host 1 can automatically restart to operate; if power is off for a long time (more than six hours), the power is turned off according to the long-time power on-off program.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a novel intelligence integration power monitored control system, includes a plurality of UPS host computers (1), its characterized in that: the adjacent UPS hosts (1) are connected through power line parallel operation signals, and the circuits of the single UPS hosts (1) are correspondingly provided with static switches after parallel connection;
the UPS host machine (1) comprises an operation panel (11) arranged on the front side, and a rear panel (1112) arranged on the rear side of the UPS host machine (1);
the operation panel (11) is provided with an input indicator lamp (111), a bypass indicator lamp (112), a battery mode and battery level indicator lamp (113), an inverter indicator lamp (114), a load overload use indicator lamp (115), a fault indicator lamp (116), an LCD (liquid crystal display) display (117), a cancel key (118), an up page turning key (119), a down page turning key (1110) and a confirm key (1111);
the rear panel (1112) comprises a power switch, a first communication interface (121), a second communication interface (122), a host exhaust fan (123), a host power distribution terminal row (124) and a parallel operation data interface (125);
wherein, the input indicator lamp (111) is used for inputting indication for the mains supply;
a bypass indicator light (112) outputs an indication for bypass power;
a battery mode and battery level indicator (113) indicates battery inverter mode and impending battery energy depletion;
the inverter indicator lamp (114) outputs indication for the power supply of the power UPS;
the load overload use indicator lamp (115) is used for indicating the overload of the power consumption of the user;
the fault indicator lamp (116) is a UPS fault indicator;
the LCD liquid crystal display (117) displays data signals;
the first communication interface (121), the second communication interface (122) and the parallel operation data interface (125) of the rear panel (1112) on each UPS host (1) are connected in parallel by using power lines, and the UPS hosts (1) in parallel exchange respective operation data through the power lines;
firstly, a power switch on a rear panel (1112) is turned on, and an input indicator lamp (111) and a bypass indicator lamp (112) on an operation panel (11) are simultaneously turned on;
after the UPS host machine (1) is started, an input indicator lamp (111) and a bypass indicator lamp (112) of an operation panel (11) are continuously bright, an up-page-turning key (119) is pressed, an LCD (liquid crystal display) display (117) displays that the input is normal, the bypass is normal, the battery is normal, and the power is supplied and output by commercial power through the bypass;
after 20 seconds, the input indicator lamp (111) of the operation panel (11) is bright, the bypass indicator lamp (112) is turned off, the inverter indicator lamp (114) is bright, the LCD (117) displays normal input, normal bypass and normal battery, and the UPS supplies power and outputs the power;
the input power supply of the UPS host machine (1) is cut off, an input indicator lamp (111) flickers, a bypass indicator lamp (112) flickers, an LCD (liquid crystal display) display (117) displays that the input is abnormal, the bypass is abnormal, the battery is normal, and the power supply output is realized by the power UPS;
when the UPS host machine (1) is initially electrified, the commercial power is output to the static transfer switch through the bypass switch to supply power to the load;
when the UPS works normally, alternating current input is transmitted to the rectifier after passing through the input isolation transformer, converted into direct current, transmitted to the UPS host (1), converted into a pure sine wave power supply by the UPS host (1), converted and output through the static switch, and supplied to a load;
when the commercial power is cut off, the direct current power supply is converted into a pure sine wave power supply through the UPS host machine (1), and the pure sine wave power supply is converted and output through the static switch to supply power to the load;
when the UPS host machine (1) is initially electrified, the bypass input is output through the static switch; when the device is in normal operation, an alternating current input power supply is rectified into direct current by a rectifier after passing through an input isolation transformer, is converted into a pure sine wave power supply by an electric UPS host machine (1), is disconnected from bypass output by a static switch, and is output by a pure inverter power supply and sent to user equipment for use;
when the commercial power is cut off, the direct current source supplies power to the UPS host (1), the power is inverted and then output by the static switch and is sent to the equipment for use;
when one UPS host (1) breaks down, the UPS host automatically quits the system without influencing other UPS hosts (1), and the other UPS host (1) outputs power to the equipment;
when the whole parallel operation system has faults, the whole system is supplied with power by the bypass output;
when the UPS host (1) is overloaded, the load of the whole system is not reduced at the moment, all the UPS hosts (1) quit the system, the whole system is switched to bypass output, the load is recovered to a normal level, all the UPS hosts (1) automatically return to a normal inversion state, and power is provided by inversion;
restoring the input power of the UPS host machine (1), lighting up the input indicator lamp (111), pressing down the LCD (117) for display, switching display items by a page-down key (1110) and a confirmation key (1111), and checking whether the display value is normal or not, namely completing a first startup procedure;
when the LCD display 117 is pressed down, the page down key 1110/confirm key 1111 switches the display items to check whether the display value is normal.
2. The novel intelligent integrated power monitoring system according to claim 1, wherein: the first communication interface (121) is set to be one of an RS232 interface or an RS485 interface, and the second communication interface (122) is set to be the RS485 interface.
3. The novel intelligent integrated power monitoring system according to claim 2, wherein: the UPS host machine (1) is set to any one of 2-3KVA, 4-5KVA-15K or 8-10KVA with the same model, and the rated input voltage is 220V of mains supply.
4. The novel intelligent integrated power monitoring system according to claim 1, wherein: the input and output power lines of each UPS host (1) are the same in length and have the same specification.
5. The novel intelligent integrated power monitoring system according to claim 1, wherein: the main machine power distribution terminal row (124) is set to be a three-in single-out direct-current 110V power distribution terminal row.
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| US5982652A (en) * | 1998-07-14 | 1999-11-09 | American Power Conversion | Method and apparatus for providing uninterruptible power using a power controller and a redundant power controller |
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Application publication date: 20210921 |