CN111313544A - Distributed unattended substation operation state analysis system - Google Patents
Distributed unattended substation operation state analysis system Download PDFInfo
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- CN111313544A CN111313544A CN201911196579.2A CN201911196579A CN111313544A CN 111313544 A CN111313544 A CN 111313544A CN 201911196579 A CN201911196579 A CN 201911196579A CN 111313544 A CN111313544 A CN 111313544A
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- substation
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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
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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
- 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
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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
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Engineering & Computer Science (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a distributed unattended substation operation state analysis system which comprises a dispatching control system main station module, a plurality of distributed substation sub-station modules and a communication channel, wherein the dispatching control system main station module is connected with the plurality of distributed substation sub-station modules; the dispatching control system master station module is used for monitoring information sent to the dispatching control system master station module from each substation module, automatically judging the running state of each substation, and then sending the running state characteristic parameters to each substation module; and the substation module is used for monitoring the alarm signal transmitted to the master station of the dispatching control system, judging the running state of the substation through the characteristic parameters transmitted by the master station, and transmitting the judgment result to the master station of the dispatching control system. The method and the system reduce the workload of the dispatching control master station in judging the running state evaluation of the unattended transformer substation, and improve the judgment real-time property.
Description
Technical Field
The invention belongs to the technical field of power dispatching automation, and relates to a transformer substation operation state analysis system, in particular to a distributed unattended transformer substation operation state analysis system.
Background
At present, an automatic system of a power system is relatively perfect. The regulation and control center master station is provided with a dispatching control automation system, the transformer substation is internally provided with a transformer substation automation monitoring system, the transformer substation automation monitoring system and the transformer substation automation monitoring system are communicated through a power private network, and the communication rule is about 104.
The existing dispatching automation control system mostly adopts a centralized transformer substation operation state evaluation system, namely a dispatching master station judges the operation state of each transformer substation in a centralized manner according to alarm signals sent by each transformer substation, so that the operation workload of the master station system is increased, and the condition of time delay exists in the transformer substation operation state evaluation is caused.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a distributed unattended substation operation state analysis system, which reduces the operation workload of a main station system and improves the instantaneity of substation operation state evaluation.
The invention solves the practical problem by adopting the following technical scheme:
a distributed unattended substation operation state analysis system comprises a scheduling control system main station module, a plurality of distributed substation sub-station modules and a communication channel; the dispatching control system master station module is used for monitoring information sent to the dispatching control system master station module from each substation module, automatically judging the running state of each substation, and then sending the running state characteristic parameters to each substation module; and the substation module is used for monitoring the alarm signal transmitted to the master station of the dispatching control system, judging the running state of the substation through the characteristic parameters transmitted by the master station, and transmitting the judgment result to the master station of the dispatching control system.
Moreover, the communication channel is a power communication private network.
The invention has the advantages and beneficial effects that:
according to the invention, through the cooperative cooperation of the master station module of the dispatching control system, the plurality of distributed substation modules and the communication channel, the workload of the dispatching control master station in judging the running state of the unattended substation is reduced, and the judgment real-time property is improved.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a control flow diagram of a master station module of the dispatch control system of the present invention;
fig. 3 is a substation module control flow diagram of the present invention.
Detailed Description
The embodiments of the invention will be described in further detail below with reference to the accompanying drawings:
a distributed unattended substation operation state analysis system, as shown in fig. 1 to 3, includes a scheduling control system master station module, a plurality of distributed substation modules, and a communication channel; the dispatching control system master station module is used for monitoring information sent to the dispatching control system master station module from each substation module, automatically judging the running state of each substation, and then sending the running state characteristic parameters to each substation module; and the substation module is used for monitoring the alarm signal transmitted to the master station of the dispatching control system, judging the running state of the substation through the characteristic parameters transmitted by the master station, and transmitting the judgment result to the master station of the dispatching control system.
In this embodiment, the substation module is installed in the substation monitoring system as a program module. The module realizes monitoring of alarm signals sent to the dispatching master station by the transformer substation, judges the running state of the transformer substation according to characteristic parameters sent by the master station, and sends the judgment result to the dispatching master station.
In this embodiment, the master station module of the scheduling control system is used as a program module and installed in the scheduling control system of the scheduling center power grid. The module monitors monitoring information sent to the dispatching master station from each transformer substation, automatically judges the running state of the transformer substation, and transmits the running state characteristic parameters to the substation module by referring to the judgment result of monitoring personnel. And receiving the judgment result of the substation module and displaying the judgment result to monitoring personnel.
In this embodiment, the communication channel is a power communication private network.
The invention mainly comprises a scheduling control system main station module 1, a transformer substation sub-station module 2 and a communication channel 3, and the implementation method of each part is explained as follows:
(1) master station module of dispatching control system
The master station module of the scheduling control system is installed in the scheduling control system (for example, a D5000 system) as an application module.
① the module inputs data for all substation alarm information streams.
The ② module function mainly calculates abnormal characteristic quantity T of each transformer substation, wherein T is the quantity of accident signals within two minutes/the total quantity of alarm information of the substation within two minutes, and if T is greater than 60%, ③ is executed
③ output the abnormal characteristic quantity to the substation module.
(2) Substation module
The substation module is installed in the substation monitoring system as an application module.
① the module inputs the data including the substation alarm information flow and the state characteristic quantity sent by the main station.
② substation module functions to determine if the substation is in an abnormal state.
③ outputs the judgment result to the master station.
(3) Communication channel
The communication channel is a special power communication network built along with the transformer station.
It should be emphasized that the examples described herein are illustrative and not restrictive, and thus the present invention includes, but is not limited to, those examples described in this detailed description, as well as other embodiments that can be derived from the teachings of the present invention by those skilled in the art and that are within the scope of the present invention.
Claims (2)
1. The utility model provides a distributing type unmanned on duty transformer substation running state analytic system which characterized in that: the system comprises a master station module of a dispatching control system, a plurality of distributed substation modules and a communication channel; the dispatching control system master station module is used for monitoring information sent to the dispatching control system master station module from each substation module, automatically judging the running state of each substation, and then sending the running state characteristic parameters to each substation module; and the substation module is used for monitoring the alarm signal transmitted to the master station of the dispatching control system, judging the running state of the substation through the characteristic parameters transmitted by the master station, and transmitting the judgment result to the master station of the dispatching control system.
2. The distributed unattended substation operation state analysis system according to claim 1, wherein: the communication channel is a power communication private network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911196579.2A CN111313544B (en) | 2019-11-29 | 2019-11-29 | Distributed unattended substation operation state analysis system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911196579.2A CN111313544B (en) | 2019-11-29 | 2019-11-29 | Distributed unattended substation operation state analysis system |
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| CN111313544A true CN111313544A (en) | 2020-06-19 |
| CN111313544B CN111313544B (en) | 2023-03-28 |
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| CN102593831A (en) * | 2012-03-14 | 2012-07-18 | 东北电网有限公司 | Implementation method for on-line detection system of subsynchronous oscillation events of electric power system |
| CN103729806A (en) * | 2014-01-16 | 2014-04-16 | 国家电网公司 | Transformer substation alarming graph gateway minimizing system and achieving method thereof |
| CN105811437A (en) * | 2016-04-19 | 2016-07-27 | 贵州电网有限责任公司 | Wide-area response-based transient stability online prejudgment system implementation method |
| CN106908690A (en) * | 2017-02-20 | 2017-06-30 | 积成电子股份有限公司 | Distributed intelligence warning system and its method for diagnosing faults between boss station |
| CN109599948A (en) * | 2018-12-14 | 2019-04-09 | 朱明增 | Power regulation integral system intelligent alarm method |
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2019
- 2019-11-29 CN CN201911196579.2A patent/CN111313544B/en active Active
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| CN102593831A (en) * | 2012-03-14 | 2012-07-18 | 东北电网有限公司 | Implementation method for on-line detection system of subsynchronous oscillation events of electric power system |
| CN103729806A (en) * | 2014-01-16 | 2014-04-16 | 国家电网公司 | Transformer substation alarming graph gateway minimizing system and achieving method thereof |
| CN105811437A (en) * | 2016-04-19 | 2016-07-27 | 贵州电网有限责任公司 | Wide-area response-based transient stability online prejudgment system implementation method |
| CN106908690A (en) * | 2017-02-20 | 2017-06-30 | 积成电子股份有限公司 | Distributed intelligence warning system and its method for diagnosing faults between boss station |
| CN109599948A (en) * | 2018-12-14 | 2019-04-09 | 朱明增 | Power regulation integral system intelligent alarm method |
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