CN112073224A - Intelligent substation interval electrical equipment measurement and control system and method - Google Patents
Intelligent substation interval electrical equipment measurement and control system and method Download PDFInfo
- Publication number
- CN112073224A CN112073224A CN202010845799.XA CN202010845799A CN112073224A CN 112073224 A CN112073224 A CN 112073224A CN 202010845799 A CN202010845799 A CN 202010845799A CN 112073224 A CN112073224 A CN 112073224A
- Authority
- CN
- China
- Prior art keywords
- measurement
- control
- interval
- cluster
- virtual measurement
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 168
- 238000000034 method Methods 0.000 title claims abstract description 37
- 241000272814 Anser sp. Species 0.000 claims description 23
- 238000004891 communication Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000012544 monitoring process Methods 0.000 claims description 11
- 230000003993 interaction Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 3
- 230000010354 integration Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
- H04L41/044—Network management architectures or arrangements comprising hierarchical management structures
-
- 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
-
- 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
- H02J13/00034—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 an electric power substation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0668—Management of faults, events, alarms or notifications using network fault recovery by dynamic selection of recovery network elements, e.g. replacement by the most appropriate element after failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
- H04L41/0836—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability to enhance reliability, e.g. reduce downtime
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- 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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a measurement and control system and a method for an intelligent substation interval electrical device, wherein the system comprises: a plurality of cluster measurement and control modules; the cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control the interval electrical equipment of the intelligent substation; the interval virtual measurement and control units in any cluster measurement and control module correspond to the interval virtual measurement and control units in other cluster measurement and control modules one by one; when the interval virtual measurement and control unit in the running state breaks down, the interval virtual measurement and control unit in other cluster measurement and control modules corresponding to the interval virtual measurement and control unit is switched from the hot standby state to the running state. By adopting a method of multiple sets of cluster measurement and control, the cluster measurement and control module comprises the same interval virtual measurement and control units, and is automatically switched to the corresponding interval virtual measurement and control units when any interval virtual measurement and control unit fails, so that the problems of large quantity of secondary equipment and single measurement and control configuration and redundancy-free standby of interval layer are solved, and the redundant configuration of the measurement and control function of interval electrical equipment is realized.
Description
Technical Field
The invention relates to the technical field of power equipment control, in particular to a measurement and control system and method for interval electrical equipment of an intelligent substation.
Background
The electric power industry develops intelligent substation construction and gradually popularizes and applies on a large scale from 2009, for traditional transformer substation, intelligent substation has a great deal of advantage, mainly embodies: (1) and digital signal transmission and processing are adopted, so that the method is wide in application range, high in precision, stable and efficient, and convenient for data sharing. (2) The IEC 61850 protocol is comprehensively adopted, information and communication models are unified, a three-layer two-network layered architecture is adopted, and digital acquisition and networked information exchange of the transformer substation information are realized. At present, the measurement and control devices of the intelligent transformer substation which are operated at home are all configured in a single set, the measurement and control functions are realized at intervals, and functional redundancy is lacked. In China, measurement and control function redundancy is also researched, and the function redundancy is realized by adopting double-configuration interval measurement and control, but the simple double-configuration increases the number of equipment, and increases the operation and maintenance workload and the investment cost. In 2012, the power industry makes an attempt of inter-interval function integration on a new generation of intelligent transformer substation, and a multifunctional measurement and control mode integrating measurement and control, PMU and metering functions is adopted, so that the mode only reduces the number of devices in the substation, the self-healing of the inter-interval measurement and control function is not realized, and the integration of multiple specialties also increases the field operation and maintenance difficulty. Since 2015, a more extensive and intensive research is carried out on integrated measurement and control, and a multi-interval measurement and control centralized scheme based on a grouping principle is provided, wherein measurement and control function redundancy is realized through integrated measurement and control dualized configuration, but dynamic deployment of interval functions cannot be realized based on a mode of interval function similar to related integration, and the operation convenience and the reconstruction and expansion convenience are poor.
At present, the measurement and control devices of the intelligent transformer substation which are operated at home are all configured in a single set, the measurement and control functions are realized at intervals, and functional redundancy is lacked. In China, measurement and control function redundancy is also researched, and the function redundancy is realized by adopting double-configuration interval measurement and control, but the simple double-configuration increases the number of equipment, and increases the operation and maintenance workload and the investment cost. In recent years, a new-generation intelligent substation is researched and built in the power industry, the new-generation intelligent substation attempts to integrate functions in intervals, and a multifunctional measurement and control mode integrating measurement and control, PMU and metering functions is adopted, so that the number of devices in the substation is only reduced, the self-healing of the interval measurement and control functions is not realized, and the field operation and maintenance difficulty is increased due to the integration of multiple specialties. Since 2015, a more extensive and intensive research is carried out on integrated measurement and control, and a multi-interval measurement and control centralized scheme based on a grouping principle is provided, wherein measurement and control function redundancy is realized through integrated measurement and control dualized configuration, but dynamic deployment of interval functions cannot be realized based on a mode of interval function similar to related integration, and the operation convenience and the reconstruction and expansion convenience are poor.
At present, the transformer substation measurement and control device has some defects in the actual operation process, and the defects mainly comprise: firstly, the redundancy of the functions of secondary equipment is insufficient, the measurement and control device of the bay layer is configured in a single set, the measurement and control function is lack of self-healing capability after the device fails, the hidden troubles of data interruption and remote control failure caused by single-point failure exist, and the safe and stable operation of the power system is seriously influenced; secondly, the integration and optimization of the whole functions of the secondary system are insufficient, the hardware of the device is repeatedly configured, the intelligent level of secondary equipment is low, the information sharing is insufficient, the coordination and function optimization of a total station system layer are lacked, the whole investment cost is high, and the operation and maintenance cost is high; and thirdly, compared with a conventional transformer substation, the number of secondary equipment is greatly increased, the coupling degree between the equipment is high, the amount of interaction information is large, the fault location is difficult, the isolation measures are complex, the operation safety risk is high, and the daily workload of operation and maintenance personnel is increased.
Disclosure of Invention
The invention aims to provide a measurement and control system and a measurement and control method for interval electrical equipment of an intelligent substation.
In order to solve the above technical problem, a first aspect of an embodiment of the present invention provides a measurement and control system for an intelligent substation bay electrical device, including: a plurality of cluster measurement and control modules;
the cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control the interval electrical equipment of the intelligent substation;
the interval virtual measurement and control units in any cluster measurement and control module correspond to the interval virtual measurement and control units in other cluster measurement and control modules one to one;
when the interval virtual measurement and control unit in the running state breaks down, the other interval virtual measurement and control units in the cluster measurement and control module corresponding to the interval virtual measurement and control unit are switched to the running state from the hot standby state.
Furthermore, the interval virtual measurement and control unit in any cluster measurement and control module and the corresponding interval virtual measurement and control units in other cluster measurement and control modules have the same IP address, model, parameter and configuration.
Furthermore, the interval virtual measurement and control units in the plurality of cluster measurement and control modules can perform self-checking in real time.
Further, the virtual measurement and control unit of interval includes: an operating state, a hot standby state, and a fault state;
the interval virtual measurement and control unit normally operates when in the operating state, all functions and communication states are normal, and monitoring and control of corresponding interval electrical equipment are completed;
the interval virtual measurement and control unit operates in the hot standby state, receives and processes sampling values and state quantity data, is not responsible for monitoring and controlling the interval electrical equipment, does not transmit measurement data, and does not respond to a remote control command;
the interval virtual measurement and control unit is in the state of failure, quits operation, does not send or receive state quantity data, does not receive sampling values or upload measurement data, is not responsible for monitoring and controlling the interval electrical equipment, and does not respond to remote control commands.
Furthermore, when the virtual measurement and control unit is in a hot standby state or a fault state, the network port communication functions of the station control layer and the process layer are closed;
the network port communication can be closed as follows: and normally receiving the GOOSE and SV of the process layer, normally receiving the GOOSE of the station control layer, not sending the GOOSE of the station control layer and the process layer, not uploading MMS, and not responding to an MMS downlink command.
Furthermore, the cluster measurement and control module is provided with a priority operation control word for starting judgment when a plurality of cluster measurement and control modules are normal;
when the priority operation control word is a first preset numerical value, the cluster measurement and control module is in a priority mode;
and when the priority operation control word is a second preset numerical value, the cluster measurement and control module is in a non-priority operation mode.
Furthermore, information interaction among the plurality of cluster measurement and control modules is received and transmitted through a station control layer GOOSE; and/or
Information interaction among the plurality of interval virtual measurement and control units in the cluster measurement and control module is received and transmitted through the station control layer GOOSE, and message self-receiving is realized by using an LOOPBACK LOOPBACK technology; and/or
The cluster measurement and control module forwards the received GOOSE information to the corresponding interval virtual measurement and control unit according to the configuration file, and can simultaneously input a plurality of interval virtual measurement and control units.
Further, the cluster instrumentation and control module supports running multiple CID (IED instance profile) and CCD (IED loop instance profile) communication profiles simultaneously;
the plurality of interval virtual measurement and control units can be put into use at the same time to complete the measurement and control functions of the plurality of interval electrical equipment.
Correspondingly, a second aspect of the embodiments of the present invention provides a measurement and control method for an intelligent substation bay electrical device,
furthermore, a plurality of interval electrical equipment of the intelligent substation is measured and controlled through any one of the intelligent substation interval electrical equipment measurement and control systems, and the method comprises the following steps:
acquiring a state signal of an interval virtual measurement and control unit in an operating state in real time;
judging whether the state signal of the interval virtual measurement and control unit is a fault signal or not;
if the state signal of the interval virtual measurement and control unit is a fault signal, switching the interval virtual measurement and control units in other cluster measurement and control devices corresponding to the interval virtual measurement and control unit in the fault state from a hot standby state to an operating state;
if the status signal of the interval virtual measurement and control unit is not a fault signal, maintaining the interval virtual measurement and control unit in the running state to run normally, and enabling the corresponding interval virtual measurement and control units in the other cluster measurement and control modules to be in the hot standby state.
Further, after switching the inter-bay virtual measurement and control units in other cluster measurement and control devices corresponding to the inter-bay virtual measurement and control unit in the failure state from the hot standby state to the operating state, the method further includes:
when the interval virtual measurement and control unit which operates preferentially returns to be normal, the interval virtual measurement and control unit is switched to be in an operating state, and the interval virtual measurement and control unit in the operating state is switched to be in a hot standby state from the operating state.
The technical scheme of the embodiment of the invention has the following beneficial technical effects:
by adopting a method of multiple sets of cluster measurement and control, each set of cluster measurement and control module comprises the same interval virtual measurement and control unit, and when one interval virtual measurement and control unit fails, the other corresponding interval virtual measurement and control units are automatically switched, so that the problems that the number of secondary equipment is large, the measurement and control configuration of a bay layer is single and no redundancy is needed are solved, the self-healing of the measurement and control function of the interval electrical equipment is realized, and the reliability of the measurement and control function of the intelligent substation is improved.
Drawings
Fig. 1 is a schematic diagram of a measurement and control system of an intelligent substation bay electrical device according to an embodiment of the present invention;
fig. 2 is a schematic view of information interaction of a measurement and control system of an intelligent substation bay electrical device provided by an embodiment of the invention;
fig. 3 is a logic diagram of automatic switching of the measurement and control system of the inter-bay electrical equipment of the intelligent substation provided by the embodiment of the invention;
fig. 4 is a flowchart of a measurement and control method for inter-bay electrical equipment of an intelligent substation according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Fig. 1 is a schematic diagram of a principle of an intelligent substation bay electrical equipment measurement and control system provided by an embodiment of the invention.
Fig. 2 is a schematic view of information interaction of a measurement and control system of an intelligent substation bay electrical device provided by an embodiment of the invention.
Fig. 3 is a logic diagram of automatic switching of the measurement and control system of the inter-bay electrical equipment of the intelligent substation provided by the embodiment of the invention.
Referring to fig. 1, fig. 2 and fig. 3, a first aspect of an embodiment of the present invention provides a measurement and control system for inter-bay electrical devices of an intelligent substation, including: and the cluster measurement and control modules are arranged. The cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control the interval electrical equipment of the intelligent substation; the interval virtual measurement and control units in any cluster measurement and control module correspond to the interval virtual measurement and control units in other cluster measurement and control modules one by one; when the interval virtual measurement and control unit in the running state breaks down, the interval virtual measurement and control unit in other cluster measurement and control modules corresponding to the interval virtual measurement and control unit is switched from the hot standby state to the running state. The two sets of cluster measurement and control automatically identify the online state by monitoring heartbeat messages of the station control layer in parallel.
According to the technical scheme, by adopting a plurality of sets of cluster measurement and control methods, each set of cluster measurement and control module comprises the same interval virtual measurement and control unit, and when one interval virtual measurement and control unit fails, the other corresponding interval virtual measurement and control units are automatically switched, so that the problems that the number of secondary equipment is large, the measurement and control configuration of a bay layer is single and no redundancy is provided are solved, the self-healing of the measurement and control function of the interval electrical equipment is realized, and the reliability of the measurement and control function of the intelligent substation is improved.
Specifically, the interval virtual measurement and control unit in any cluster measurement and control module and the corresponding interval virtual measurement and control unit in other cluster measurement and control modules have the same IP address, model, parameter and configuration.
In addition, a plurality of cluster measurement and control modules can perform self-inspection in real time. And the cluster measurement and control module is in a fault state when the self-detection is abnormal. When the cluster measurement and control module is in a self-checking normal state, the control word of 'priority operation' is not put into the cluster measurement and control module, and other cluster measurement and control modules are judged to be in an online state, so that the cluster measurement and control module is in a hot standby state; when the control word of preferential operation is put in or the control word of preferential operation is not put in and other cluster measurement and control modules are in an off-line state, the cluster measurement and control module is automatically switched to an operation state.
Specifically, the virtual measurement and control unit of interval includes: an operational state, a hot standby state, and a fault state. The interval virtual measurement and control unit normally operates when in an operating state, all functions and communication states are normal, and monitoring and control of corresponding interval electrical equipment are completed; the interval virtual measurement and control unit operates in hot standby when in a hot standby state, receives and processes the sampling value and the state quantity data, but is not responsible for monitoring and controlling the interval electrical equipment, does not transmit the measurement data, and does not respond to a remote control command; the interval virtual measurement and control unit quits operation when in a fault state, does not send or receive state quantity data, does not receive sampling values or upload measurement data, is not responsible for monitoring and controlling interval electrical equipment, and does not respond to remote control commands.
Furthermore, when the virtual measurement and control unit is in a hot standby state or a fault state, the network port communication functions of the station control layer and the process layer are closed; the network port communication can be closed as follows: and normally receiving the GOOSE and SV of the process layer, normally receiving the GOOSE of the station control layer, not sending the GOOSE of the station control layer and the process layer, not uploading MMS, and not responding to an MMS downlink command.
Specifically, the cluster measurement and control module is provided with a priority operation control word for starting judgment when a plurality of cluster measurement and control modules are normal. When the priority operation control word is a first preset numerical value, the cluster measurement and control module is in a priority mode; and when the priority operation control word is a second preset numerical value, the cluster measurement and control module is in a non-priority operation mode.
Specifically, information interaction among a plurality of cluster measurement and control modules is received and sent through a station control layer GOOSE; and/or information interaction among a plurality of interval virtual measurement and control units in the cluster measurement and control module is received and transmitted through a station control layer GOOSE, and self-receiving of messages is realized by adopting an LOOPBACK LOOPBACK technology; and/or the cluster measurement and control module forwards the received GOOSE information to the corresponding interval virtual measurement and control units according to the configuration file, and can simultaneously input a plurality of interval virtual measurement and control units.
And (4) issuing and registering a first group of GOOSE of each virtual measurement and control unit of the station control layer to the GOOSE receiving of all network ports, realizing the GOOSE sending and recycling function and monitoring the receiving state of the group of GOOSE in real time. After the GOOSE is received, if the source MAC address is not the cluster measurement and control module, judging that other cluster measurement and control modules are in an online state, otherwise, delaying for 10s to clear the online state, and judging that other cluster measurement and control modules are not in the online state.
Further, the cluster instrumentation and control module supports running multiple CID (IED instance profile) and CCD (IED loop instance profile) communication profiles simultaneously; a plurality of interval virtual measurement and control units can be put into use simultaneously to complete the measurement and control functions of a plurality of interval electrical equipment.
Fig. 4 is a flowchart of a measurement and control method for inter-bay electrical equipment of an intelligent substation according to an embodiment of the present invention.
Correspondingly, referring to fig. 4, a second aspect of the embodiment of the present invention provides a measurement and control method for inter-bay electrical devices of an intelligent substation, wherein the measurement and control of a plurality of inter-bay electrical devices of the intelligent substation by any one of the above-mentioned measurement and control systems for inter-bay electrical devices of the intelligent substation includes the following steps:
and S100, acquiring a state signal of the interval virtual measurement and control unit in the running state in real time.
And S200, judging whether the state signal of the interval virtual measurement and control unit is a fault signal.
And S300, if the state signal of the interval virtual measurement and control unit is a fault signal, switching the interval virtual measurement and control units in other cluster measurement and control devices corresponding to the interval virtual measurement and control unit in the fault state from a hot standby state to an operating state.
S400, if the state signal of the interval virtual measurement and control unit is not a fault signal, the interval virtual measurement and control unit in the running state is maintained to run normally, and corresponding interval virtual measurement and control units in other cluster measurement and control modules are in a hot standby state.
Further, in step S300, after the inter-virtual measurement and control units in other cluster measurement and control devices corresponding to the inter-virtual measurement and control unit in the fault state are switched from the hot standby state to the operating state, the measurement and control method for inter-electrical equipment of the intelligent substation further includes:
s310, when the interval virtual measurement and control unit which is preferentially operated returns to be normal, the interval virtual measurement and control unit is switched to be in an operation state, and the interval virtual measurement and control unit in the operation state is switched to be in a hot standby state from the operation state.
The software and hardware self-checking of the interval virtual measurement and control unit is abnormal, and the interval virtual measurement and control unit of the cluster measurement and control module is in a fault state; the software and hardware self-check of the interval virtual measurement and control unit is normal, the priority operation control word of the cluster measurement and control module is not input, the interval virtual measurement and control unit of the other cluster measurement and control module is judged to be on-line, and the interval virtual measurement and control unit of the cluster measurement and control module is in a hot standby state; the software and hardware self-check of the interval virtual measurement and control unit is normal, when the priority operation control word of the cluster measurement and control module is not input and the interval virtual measurement and control unit of the other cluster measurement and control module is not on line, the cluster measurement and control module automatically switches the interval virtual measurement and control unit from a hot standby state to an operation state, and the self-healing of the measurement and control function of the interval electrical equipment is realized. When the interval virtual measurement and control unit is in a fault state or a hot standby state, the network port communication functions of the station control layer and the process layer are closed, and normal communication is quitted.
The embodiment of the invention aims to protect a measurement and control system and a method for interval electrical equipment of an intelligent substation, wherein the system comprises: a plurality of cluster measurement and control modules; the cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control the interval electrical equipment of the intelligent substation; the interval virtual measurement and control units in any cluster measurement and control module correspond to the interval virtual measurement and control units in other cluster measurement and control modules one by one; when the interval virtual measurement and control unit in the running state breaks down, the interval virtual measurement and control unit in other cluster measurement and control modules corresponding to the interval virtual measurement and control unit is switched from the hot standby state to the running state. The technical scheme has the following effects:
by adopting a method of multiple sets of cluster measurement and control, each set of cluster measurement and control module comprises the same interval virtual measurement and control unit, and when one interval virtual measurement and control unit fails, the other corresponding interval virtual measurement and control units are automatically switched, so that the problems that the number of secondary equipment is large, the measurement and control configuration of a bay layer is single and no redundancy is needed are solved, the self-healing of the measurement and control function of the interval electrical equipment is realized, and the reliability of the measurement and control function of the intelligent substation is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (10)
1. The utility model provides an intelligent substation separates electrical equipment system of observing and controling which characterized in that includes: a plurality of cluster measurement and control modules;
the cluster measurement and control module comprises a plurality of interval virtual measurement and control units, and the interval virtual measurement and control units measure and control the interval electrical equipment of the intelligent substation;
the interval virtual measurement and control units in any cluster measurement and control module correspond to the interval virtual measurement and control units in other cluster measurement and control modules one to one;
when the interval virtual measurement and control unit in the running state breaks down, the other interval virtual measurement and control units in the cluster measurement and control module corresponding to the interval virtual measurement and control unit are switched to the running state from the hot standby state.
2. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the interval virtual measurement and control unit in any cluster measurement and control module and the corresponding interval virtual measurement and control units in other cluster measurement and control modules have the same IP address, model, parameter and configuration.
3. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the interval virtual measurement and control units in the plurality of cluster measurement and control modules can perform self-checking in real time.
4. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the virtual measurement and control unit of interval includes: an operating state, a hot standby state, and a fault state;
the interval virtual measurement and control unit normally operates when in the operating state, all functions and communication states are normal, and monitoring and control of corresponding interval electrical equipment are completed;
the interval virtual measurement and control unit operates in the hot standby state, receives and processes sampling values and state quantity data, is not responsible for monitoring and controlling the interval electrical equipment, does not transmit measurement data, and does not respond to a remote control command;
the interval virtual measurement and control unit is in the state of failure, quits operation, does not send or receive state quantity data, does not receive sampling values or upload measurement data, is not responsible for monitoring and controlling the interval electrical equipment, and does not respond to remote control commands.
5. The intelligent substation bay electrical equipment measurement and control system of claim 1,
when the virtual measurement and control unit is in a hot standby state or a fault state, the network port communication functions of a station control layer and a process layer are closed;
the network port communication can be closed as follows: and normally receiving the GOOSE and SV of the process layer, normally receiving the GOOSE of the station control layer, not sending the GOOSE of the station control layer and the process layer, not uploading MMS, and not responding to an MMS downlink command.
6. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the cluster measurement and control module is provided with a priority operation control word and is used for starting judgment when a plurality of cluster measurement and control modules are normal;
when the priority operation control word is a first preset numerical value, the cluster measurement and control module is in a priority mode;
and when the priority operation control word is a second preset numerical value, the cluster measurement and control module is in a non-priority operation mode.
7. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the information interaction among the plurality of cluster measurement and control modules is received and transmitted through a station control layer GOOSE; and/or
Information interaction among the plurality of interval virtual measurement and control units in the cluster measurement and control module is received and transmitted through the station control layer GOOSE, and message self-receiving is realized by using an LOOPBACK LOOPBACK technology; and/or
The cluster measurement and control module forwards the received GOOSE information to the corresponding interval virtual measurement and control unit according to the configuration file, and can simultaneously input a plurality of interval virtual measurement and control units.
8. The intelligent substation bay electrical equipment measurement and control system of claim 1,
the cluster instrumentation and control module supports simultaneous operation of multiple CID (IED instance configuration file) and CCD (IED loop instance configuration file) communication configuration files;
the plurality of interval virtual measurement and control units can be put into use at the same time to complete the measurement and control functions of the plurality of interval electrical equipment.
9. An intelligent substation interval electrical equipment measurement and control method is characterized in that a plurality of interval electrical equipment of an intelligent substation are measured and controlled by the intelligent substation interval electrical equipment measurement and control system according to any one of claims 1 to 8, and the method comprises the following steps:
acquiring a state signal of an interval virtual measurement and control unit in an operating state in real time;
judging whether the state signal of the interval virtual measurement and control unit is a fault signal or not;
if the state signal of the interval virtual measurement and control unit is a fault signal, switching the interval virtual measurement and control units in other cluster measurement and control devices corresponding to the interval virtual measurement and control unit in the fault state from a hot standby state to an operating state;
if the status signal of the interval virtual measurement and control unit is not a fault signal, maintaining the interval virtual measurement and control unit in the running state to run normally, and enabling the corresponding interval virtual measurement and control units in the other cluster measurement and control modules to be in the hot standby state.
10. The method according to claim 9, wherein after the virtual measurement and control units in other cluster measurement and control devices corresponding to the virtual measurement and control unit in the fault state are switched from the hot standby state to the operating state, the method further comprises:
when the interval virtual measurement and control unit which operates preferentially returns to be normal, the interval virtual measurement and control unit is switched to be in an operating state, and the interval virtual measurement and control unit in the operating state is switched to be in a hot standby state from the operating state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845799.XA CN112073224A (en) | 2020-08-20 | 2020-08-20 | Intelligent substation interval electrical equipment measurement and control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010845799.XA CN112073224A (en) | 2020-08-20 | 2020-08-20 | Intelligent substation interval electrical equipment measurement and control system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112073224A true CN112073224A (en) | 2020-12-11 |
Family
ID=73662563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010845799.XA Pending CN112073224A (en) | 2020-08-20 | 2020-08-20 | Intelligent substation interval electrical equipment measurement and control system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112073224A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113406909A (en) * | 2021-06-28 | 2021-09-17 | 广东电网有限责任公司 | Cluster measurement and control device for seamless switching of faults |
| CN113505972A (en) * | 2021-06-17 | 2021-10-15 | 国网电力科学研究院有限公司 | Secondary equipment model issuing configuration method |
| CN113541310A (en) * | 2021-06-25 | 2021-10-22 | 许继电气股份有限公司 | Measurement and control system and control method based on GOOSE message state |
| CN113556248A (en) * | 2021-07-16 | 2021-10-26 | 广东电网有限责任公司 | Cluster measurement and control dynamic deployment method, device, equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388570A (en) * | 2008-07-08 | 2009-03-18 | 国电南瑞科技股份有限公司 | Data stream fast reliable interaction method for transformer plant automatic system |
| US20180088643A1 (en) * | 2016-09-29 | 2018-03-29 | Kyland Technology Co., Ltd. | Intelligent power server applied to protection and control system for intelligent substation |
| CN110350661A (en) * | 2019-07-12 | 2019-10-18 | 南京国电南自电网自动化有限公司 | Virtual measurement and control unit and entity observing and controlling seamless handover method |
-
2020
- 2020-08-20 CN CN202010845799.XA patent/CN112073224A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101388570A (en) * | 2008-07-08 | 2009-03-18 | 国电南瑞科技股份有限公司 | Data stream fast reliable interaction method for transformer plant automatic system |
| US20180088643A1 (en) * | 2016-09-29 | 2018-03-29 | Kyland Technology Co., Ltd. | Intelligent power server applied to protection and control system for intelligent substation |
| CN110350661A (en) * | 2019-07-12 | 2019-10-18 | 南京国电南自电网自动化有限公司 | Virtual measurement and control unit and entity observing and controlling seamless handover method |
Non-Patent Citations (2)
| Title |
|---|
| 彭奇等: "智能变电站分组式测控技术方案", 《电力系统自动化》 * |
| 文博等: "智能变电站集中式后备测控技术研究", 《湖北电力》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113505972A (en) * | 2021-06-17 | 2021-10-15 | 国网电力科学研究院有限公司 | Secondary equipment model issuing configuration method |
| CN113541310A (en) * | 2021-06-25 | 2021-10-22 | 许继电气股份有限公司 | Measurement and control system and control method based on GOOSE message state |
| CN113406909A (en) * | 2021-06-28 | 2021-09-17 | 广东电网有限责任公司 | Cluster measurement and control device for seamless switching of faults |
| CN113556248A (en) * | 2021-07-16 | 2021-10-26 | 广东电网有限责任公司 | Cluster measurement and control dynamic deployment method, device, equipment and storage medium |
| CN113556248B (en) * | 2021-07-16 | 2023-05-12 | 广东电网有限责任公司 | Cluster measurement and control dynamic deployment method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112073224A (en) | Intelligent substation interval electrical equipment measurement and control system and method | |
| CN103595136B (en) | A kind of energy management system of micro-grid | |
| CN104124761B (en) | A kind of power distribution network low pressure large user's integrated protection control method | |
| CN101951025A (en) | Energy management system of offshore grid | |
| CN211296946U (en) | Railway electric power comprehensive operation and maintenance management system | |
| CN107528890A (en) | A kind of Computer-based Pump Station Monitoring System control system | |
| CN102097856B (en) | Spare power automatic switching programmable logic control method for plant supply of power station | |
| CN202940826U (en) | Network communication management machine and network communication management system | |
| CN112271816A (en) | Intelligent substation cluster measurement and control system and measurement and control method thereof | |
| CN103885411A (en) | Integrated automation system of power station | |
| CN104993596A (en) | A distribution network automation remote terminal unit based on embedded multiple ARM processors | |
| CN112532446A (en) | Dynamic migration method of cluster measurement and control device | |
| CN103683506B (en) | Comprehensively-integrated linkage safety system of power system transformer substations | |
| CN110955187A (en) | PLC control system and control method for dual power supply and communication of speed regulator hydraulic system | |
| CN201956747U (en) | International electrotechnical commission (IEC) 61850 communication-based electric power machine room monitoring system | |
| CN217546078U (en) | Networking structure for hierarchical grouping coordination power control of large energy storage power station | |
| CN114006804B (en) | Distribution edge server system based on centralized protection control system architecture | |
| CN103595128B (en) | Based on the electric substation automation system of double-deck two web frame | |
| CN202034825U (en) | Intelligent comprehensive device of medium-voltage switch | |
| CN115765194B (en) | Ship electric power monitoring system based on double monitoring networks | |
| CN112083695B (en) | Intelligent substation interval electrical equipment measurement and control system and method | |
| CN203554072U (en) | Transformer station automation system based on double-layer and double-network structure | |
| CN115549042A (en) | Intelligent power distribution system | |
| CN113541310A (en) | Measurement and control system and control method based on GOOSE message state | |
| CN218526139U (en) | Transformer substation master control system and transformer substation |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201211 |