CN109450084A - A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain - Google Patents
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain Download PDFInfo
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- H02J13/0017—
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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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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
Abstract
The intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain that the invention discloses a kind of, MMS message including real-time detection station level, judge whether that remote switch operation occurs, detection is after occurring remote switch operation, the GOOSE message of detection process layer network judges whether that remote control outlet occurs, detects that measure and control device is remotely controlled outlet, the MMS message for detecting station level judges whether that switch changed position information occurs.Intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain of the invention; compared with prior art; realize overall process monitoring and the comprehensive analysis from station level to process layer; improve the location efficiency and accuracy of network failure; the correctness of the switching circuitry of substation can effectively be detected; health assessment for substation relay protection device provides aid decision, has a good application prospect.
Description
Technical field
The present invention relates to electric system O&M service technique fields, and in particular to a kind of intelligence change based on information data chain
Power station multi-layer protocol Cooperative Analysis method.
Background technique
Traditional O&M mode needs daily arrangement personnel to enter the station inspection, while will also be for secondary device and its correlation two
Minor loop carries out regular inspection.With power grid popularization, this tour and repair and maintenance mode will need to spend more manpowers and
Fund, the O&Ms mode such as traditional O&M or even special dimension is hard to carry on, and cannot timely discovering device hidden danger.
Currently, online O&M managing and control system is mainly embodied in relay protection in threadiness in some applications of some pilot stations
State detection, the on-line checking of relay protection secondary circuit and auxiliary repair operation etc..Wherein relay protection secondary circuit
On-line checking, by the quality of light intensity and chain rupture infomation detection optical fiber circuit, the cable that cannot achieve intelligent terminal to switch is returned
The detection on road, also without judging the MMS message information of station level.
One article " online operational system of intelligent substation relay protection in Automation of Electric Systems magazine in July, 2016
The research and realization of key technology " it points out, the on-line checking of relay protection secondary circuit includes physical link detection and logic chain
Road detection, wherein physical link detects the logical node acquisition intelligent apparatus and interchanger physical link for using LCCH and LPST
Communications status, but only it is able to achieve the physical link state identification of optical fiber circuit；Wherein logical links detection uses On line inspection report
Literary mode, for example message format error, packet counting error, message chain rupture, message and configure the mistakes such as inconsistent, but without pair
Data (Data) field in message is verified, that is, the switch changed position that abnormal tripping or exception has occurred is can not to examine
It measures.
Summary of the invention
It is an object of the present invention to propose a kind of intelligent substation multi-layer protocol Cooperative Analysis side based on information data chain
Method realizes overall process monitoring and comprehensive analysis from station level to process layer, improves the location efficiency and essence of network failure
Exactness, can effectively detect the correctness of the switching circuitry of substation, and the health assessment for substation relay protection device provides
Aid decision.
In order to achieve the above object, the technical scheme adopted by the invention is that:
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain, comprising the following steps:
Step (A), the MMS message of real-time detection station level judge whether the remote control operation that measure and control device occurs, if do not had
Remote operation occurs, then jumps to step (E) entrance and verifies next time；In case of remote control operation, then it is right to record remote control institute
The information for the measure and control device answered, and execute step (B)；
Step (B), the GOOSE message of real-time detection process layer judge whether there is the remote control outlet of this measure and control device
GOOSE message then jumps to step (E) entrance and verifies next time if there is no then reporting measure and control device abnormal；If it does,
Then enter and wait the moment, waits the sub-switching operation of switch, and enter step (C)；
Step (C), the GOOSE message of real-time detection process layer, the position for judging whether there is this switch intelligent terminal become
Position GOOSE message then jumps to step (E) entrance and verifies next time if there is no then reporting intelligent terminal outlet loop abnormal；
If it is present executing step (D)；
Step (D), the MMS message of real-time detection station level judge whether there is the position displacement MMS report of this switch observing and controlling
Text thens follow the steps (E) entrance and verifies next time if there is no then reporting measure and control device telemetering abnormal；If it does, report observing and controlling
Normal with intelligent terminal outlet loop, then execution step (E) enters and verifies next time；
Step (E), this checking process terminate, into verifying next time.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (A)
In judge whether occur measure and control device remote control operation method are as follows: the MMS message for searching for station level detects whether that there are following
Whole four kinds of messages: remote control selection SelVal message, remote control selection service response SelVal Response message are remotely controlled and execute
Oper message, remote control execute service response Oper Response message；If all thinking that measure and control device has occurred in the presence of if
Remote control operation.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (A)
In record the information approach of the corresponding measure and control device of remote control are as follows: the DomainName in record remote control selection SelVal message
Field, and the GOOSE message of the measure and control device according to corresponding to the preferred corresponding DomainName field in our station SCD file
The GOOSE message of measure and control device corresponding to DomainName field also may be selected in MAC Address and switch changed position information position
APPID and switch changed position information position.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (B)
In judge whether there is this measure and control device remote control outlet GOOSE message method are as follows: the GOOSE message of detection process layer, screening
GOOSE message out comprising step (A) MAC Address recorded detects whether the displacement information that remote control outlet occurs.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (B)
It is middle to wait being dimensioned to for moment, switch longest actuation time is escaped, generally may be configured as 100~200ms.
The beneficial effects of the present invention are: being assisted using the intelligent substation multi-layer protocol of the present invention based on information data chain
Same analysis method realizes overall process monitoring and comprehensive analysis from station level to process layer, improves the positioning of network failure
Efficiency and accuracy can effectively detect the correctness of the switching circuitry of substation, be the health of substation relay protection device
Evaluation provides aid decision.
Detailed description of the invention
Fig. 1 is the flow chart of the intelligent substation multi-layer protocol Cooperative Analysis method of the invention based on information data chain.
Specific embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
It is the process of the intelligent substation multi-layer protocol Cooperative Analysis method of the invention based on information data chain shown in Fig. 1
Figure.As shown, the intelligent substation multi-layer protocol Cooperative Analysis method of the invention based on information data chain, including following step
It is rapid:
Step (A), the MMS message of real-time detection station level judge whether the remote control operation that measure and control device occurs, if do not had
Remote operation occurs, then jumps to step (E) entrance and verifies next time；In case of remote control operation, then it is right to record remote control institute
The information for the measure and control device answered, and execute step (B)；
Step (B), the GOOSE message of real-time detection process layer judge whether there is the remote control outlet of this measure and control device
GOOSE message, it is abnormal if there is no measure and control device is then reported, and jump to step (E) entrance and verify next time；If it does,
Then enter and wait the moment, waits the sub-switching operation of switch, and enter step (C)；
Step (C), the GOOSE message of real-time detection process layer, the position for judging whether there is this switch intelligent terminal become
Position GOOSE message, it is abnormal if there is no intelligent terminal outlet loop is then reported, and jump to step (E) entrance and verify next time；
If it is present executing step (D)；
Step (D), the MMS message of real-time detection station level judge whether there is the position displacement MMS report of this switch observing and controlling
Text, if there is no then reporting measure and control device telemetering abnormal, then execution step (E) enters and verifies next time；If it does, report is surveyed
Control and intelligent terminal outlet loop are normal, and then execution step (E) enters and verifies next time；
Step (E), this checking process terminate, into verifying next time.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (A)
In judge whether occur measure and control device remote control operation method are as follows: the MMS message for searching for station level detects whether that there are following
Whole four kinds of messages: remote control selection SelVal message, remote control selection service response SelVal Response message are remotely controlled and execute
Oper message, remote control execute service response Oper Response message；If all thinking that measure and control device has occurred in the presence of if
Remote control operation.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (A)
In record the information approach of the corresponding measure and control device of remote control are as follows: the DomainName in record remote control selection SelVal message
Field, and the GOOSE message of the measure and control device according to corresponding to the preferred corresponding DomainName field in our station SCD file
The GOOSE message of measure and control device corresponding to DomainName field also may be selected in MAC Address and switch changed position information position
APPID and switch changed position information position.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (B)
In judge whether there is this measure and control device remote control outlet GOOSE message method are as follows: the GOOSE message of detection process layer, screening
GOOSE message out comprising step (A) MAC Address recorded detects whether the displacement information that remote control outlet occurs.
A kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain above-mentioned, the step (B)
It is middle to wait being dimensioned to for moment, switch longest actuation time is escaped, generally may be configured as 100~200ms.
Basic principles and main features and advantage of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain, it is characterised in that: including following
Step,
Step (A), the MMS message of real-time detection station level judge whether the remote control operation that measure and control device occurs, if do not occurred
Remote operation then jumps to step (E) entrance and verifies next time；In case of remote control operation, then record corresponding to remote control
The information of measure and control device, and execute step (B)；
Step (B), the GOOSE message of real-time detection process layer judge whether there is the remote control outlet GOOSE report of this measure and control device
Text, it is abnormal if there is no measure and control device is then reported, and jump to step (E) entrance and verify next time；If it is present into etc.
To the moment, the sub-switching operation of switch is waited, and enters step (C)；
Step (C), the GOOSE message of real-time detection process layer judge whether there is the position displacement of this switch intelligent terminal
GOOSE message, it is abnormal if there is no intelligent terminal outlet loop is then reported, and jump to step (E) entrance and verify next time；Such as
Fruit exists, and thens follow the steps (D)；
Step (D), the MMS message of real-time detection station level judge whether there is the position displacement MMS message of this switch observing and controlling,
If there is no then reporting measure and control device telemetering abnormal, then execution step (E) enters and verifies next time；If it does, report observing and controlling
Normal with intelligent terminal outlet loop, then execution step (E) enters and verifies next time；
Step (E), this checking process terminate, into verifying next time.
2. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain according to claim 1,
It is characterized in that,
Judge whether the method for the remote control operation of generation measure and control device in the step (A) specifically: search for the MMS report of station level
Text detects whether that there are four kinds of messages of following whole: remote control selection SelVal message, remote control selection service response SelVal
Response message, remote control execute Oper message, and remote control executes service response Oper Response message；If all existed
Then think to have occurred the remote control operation of measure and control device.
3. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain according to claim 1,
It is characterized in that,
The method of the information of the corresponding measure and control device of remote control is recorded in the step (A) specifically: record remote control selection
DomainName field in SelVal message, and select to correspond to corresponding to DomainName field according to our station SCD file
The MAC Address of the GOOSE message of measure and control device and switch changed position information position, or corresponding to selection DomainName field
The APPID of the GOOSE message of measure and control device and switch changed position information position.
4. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain according to claim 1,
It is characterized by:
The method of the remote control outlet GOOSE message of this measure and control device is judged whether there is in the step (B) specifically: detected
The GOOSE message of journey layer filters out the GOOSE message of the MAC Address recorded comprising step (A), detects whether to be remotely controlled
The displacement information of outlet.
5. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain according to claim 1,
It is characterized by:
Being dimensioned to for moment is waited in the step (B), escapes switch longest actuation time.
6. a kind of intelligent substation multi-layer protocol Cooperative Analysis method based on information data chain according to claim 5,
It is characterized by: the step (B) the middle waiting moment is dimensioned to 100~200ms.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981359A (en) * | 2019-03-14 | 2019-07-05 | 国网福建省电力有限公司 | A kind of intelligent substation remote control anomaly analysis diagnostic method and device |
| CN113466584A (en) * | 2021-06-22 | 2021-10-01 | 国网安徽省电力有限公司检修分公司 | Fault diagnosis positioning method for monitoring tripping and closing |
| CN113824724A (en) * | 2021-09-24 | 2021-12-21 | 山东能士信息科技有限公司 | Method and device for judging tampering of sensor data of intelligent substation and storage medium |
| CN114749494A (en) * | 2021-01-08 | 2022-07-15 | 株式会社日立制作所 | Plant control device, plant control method, and program |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958578A (en) * | 2010-09-13 | 2011-01-26 | 西安供电局 | Method for recording automated information of transformer substation |
| CN104092584A (en) * | 2014-07-17 | 2014-10-08 | 国家电网公司 | Smart substation network communication signal detector |
| CN106597947A (en) * | 2016-12-23 | 2017-04-26 | 国网浙江宁波市鄞州区供电公司 | Substation equipment test method and system, server and tester |
| CN106712001A (en) * | 2016-12-30 | 2017-05-24 | 国网浙江省电力公司绍兴供电公司 | Data modeling method for network message recording analysis device |
| CN107094091A (en) * | 2017-03-30 | 2017-08-25 | 国电南瑞科技股份有限公司 | A kind of intelligent substation station level network configuration method of calibration and system |
| CN107394894A (en) * | 2017-08-06 | 2017-11-24 | 俞秋芳 | A kind of fault location based on automation equipment virtual connections and visual presentation device |
| CN108199338A (en) * | 2017-12-25 | 2018-06-22 | 国网江苏省电力有限公司检修分公司 | A kind of protective device action correctness evaluation system and method |
-
2018
- 2018-10-24 CN CN201811241498.5A patent/CN109450084B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101958578A (en) * | 2010-09-13 | 2011-01-26 | 西安供电局 | Method for recording automated information of transformer substation |
| CN104092584A (en) * | 2014-07-17 | 2014-10-08 | 国家电网公司 | Smart substation network communication signal detector |
| CN106597947A (en) * | 2016-12-23 | 2017-04-26 | 国网浙江宁波市鄞州区供电公司 | Substation equipment test method and system, server and tester |
| CN106712001A (en) * | 2016-12-30 | 2017-05-24 | 国网浙江省电力公司绍兴供电公司 | Data modeling method for network message recording analysis device |
| CN107094091A (en) * | 2017-03-30 | 2017-08-25 | 国电南瑞科技股份有限公司 | A kind of intelligent substation station level network configuration method of calibration and system |
| CN107394894A (en) * | 2017-08-06 | 2017-11-24 | 俞秋芳 | A kind of fault location based on automation equipment virtual connections and visual presentation device |
| CN108199338A (en) * | 2017-12-25 | 2018-06-22 | 国网江苏省电力有限公司检修分公司 | A kind of protective device action correctness evaluation system and method |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109981359A (en) * | 2019-03-14 | 2019-07-05 | 国网福建省电力有限公司 | A kind of intelligent substation remote control anomaly analysis diagnostic method and device |
| CN114749494A (en) * | 2021-01-08 | 2022-07-15 | 株式会社日立制作所 | Plant control device, plant control method, and program |
| CN113466584A (en) * | 2021-06-22 | 2021-10-01 | 国网安徽省电力有限公司检修分公司 | Fault diagnosis positioning method for monitoring tripping and closing |
| CN113466584B (en) * | 2021-06-22 | 2023-07-07 | 国网安徽省电力有限公司超高压分公司 | Fault diagnosis positioning method for tripping and closing monitoring |
| CN113824724A (en) * | 2021-09-24 | 2021-12-21 | 山东能士信息科技有限公司 | Method and device for judging tampering of sensor data of intelligent substation and storage medium |
| CN113824724B (en) * | 2021-09-24 | 2023-09-22 | 山东能士信息科技有限公司 | Method and device for judging tampered sensor data of intelligent substation and storage medium |
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