CN104317203B - Fault information overall process simulation method - Google Patents
Fault information overall process simulation method Download PDFInfo
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- CN104317203B CN104317203B CN201410508919.1A CN201410508919A CN104317203B CN 104317203 B CN104317203 B CN 104317203B CN 201410508919 A CN201410508919 A CN 201410508919A CN 104317203 B CN104317203 B CN 104317203B
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- 238000004088 simulation Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 title claims description 11
- 230000004224 protection Effects 0.000 claims abstract description 109
- 230000009471 action Effects 0.000 claims abstract description 40
- 238000012423 maintenance Methods 0.000 claims abstract description 18
- 239000006185 dispersion Substances 0.000 claims description 6
- 230000003278 mimic effect Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 230000004069 differentiation Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 230000009466 transformation Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 4
- 239000013589 supplement Substances 0.000 abstract 1
- 238000013473 artificial intelligence Methods 0.000 description 2
- 238000011990 functional testing Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000013112 stability test Methods 0.000 description 2
- 230000001131 transforming effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
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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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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Abstract
The invention discloses a method for simplifying system debugging complexity by designing and constructing a protection device simulation system, which is used as a supplement to the traditional debugging in the debugging of a transformer substation fault information system, verifies the correctness of all relay protection information accessed into a transformer substation by the fault information system in the debugging of the transformer substation fault information system, detects various performance indexes of the fault information system, and simulates a real action fault scene based on a primary equipment state and a maintenance flag bit on the basis of verifying the relay protection device information. The invention can greatly simplify the complexity of system debugging, realize batch debugging and improve the efficiency of the integrated test of the automatic system of the substation.
Description
Technical field
The invention belongs to dispatching automation of electric power systems field, is especially applicable to electric grid relay protection and fault message system
System functional test, stability test and extensibility test.
Background technology
Relay protection information collection at present and process mainly realize that the system includes main station system by failure information system
And substation system.Main station system is responsible for collecting transforming plant protecting device information, and information is processed, and forms complete protection
Action report；Failure information system plant stand end function is mainly realized that mainly responsible protection device information is received, located by prudential sub-station
Reason simultaneously sends to main website.
According to failure information system operating experience for many years, failure information system debugging, especially, there is nothing in substation debugging
The limiting factors such as method protection test checking information, buried cause system cannot safe and stable operation various hidden danger.For this purpose, this
Invention proposes a kind of Simulation Application method of relay protection information, when can not only greatly shorten the debugging of failure information system
Between, the correctness of data processing between all information of the relay protection that substation is accessed and boss station is verified, while can detect
The various performance indications of failure information system, by simulations such as protection act information, primary equipment status information, maintenance flag bits
Go out to protect realistic operation scene, so as to validation fault information system main station failure reports integration ability.
The content of the invention
The purpose of the present invention is when function, stability test is carried out to failure information system, by what is sent on protection substation
A large amount of protection act information, with reference to mimic-disconnecting switch both sides disconnecting link position, the listed set signal of protection maintenance, protection signal quality
Send on the informixs such as position, full simulation goes out real electric network fault scene.
The present invention is specifically employed the following technical solutions.
A kind of fault message whole process simulation method, it is characterised in that the method comprising the steps of：
(1) relevant parameter is set, and whether the parameter includes the protection signal of same protection device for once
The time threshold DIFFTIMEIED of failure, the action report correlation time of different substations are the different substation action report times
Difference REPORT_LINK_TIME_DIFF_STATION, first protection act letter of dispersion record ripple starting time and protection device
Difference DIFFTIMEREC of number time；
(2) various relevant informations are run by Power System Simulator simulated grid, the relevant information includes protection device
Protection signal, protection alarm signal, fault parameter, recorder data, sequence of events recording SOE signals etc.；(3) in emulation
During, the action signal with protection device as starting element, when protection device sends action signal in Power System Simulator
Start complete electric power networks fault simulation work；
(4) when the condition of the complete electric power networks fault simulation work of step (3) startup is met, according to one or two passes of electrical network
Connection relation, finds out the chopper both sides disconnecting link position signalling related to the protection device, if the both sides disconnecting link state is "ON",
Then judge the electrical network for carrying out this fault message emulation protection device under maintenance state simultaneously this electric power networks fault simulation of unconformity
Tripping operation report；
(5) when meet step (3) it is described start the work of complete electric power networks fault simulation condition when, according to protection device phase
The protection signal of the SOE signal imitation protection devices of the chopper of pass：When mimic buss protection has action signal, according to electrical network
Topological relation find corresponding chopper, if mimic-disconnecting switch has disconnection SOE signals simultaneously, then it is assumed that the SOE signals
For real fault message；
(6) when the condition of the complete electric power networks fault simulation work of step (3) startup is met, protection device signal is detected
In whether judge whether the protection device of present day analog is in inspecting state with maintenance mark simulation protection signal, when in signal
During with maintenance mark simulation protection signal, it is believed that the protection device of present day analog is in inspecting state, then in simulation process,
The simulation input maintenance pressing plate in the prudential sub-station of plant stand end, according to whether input overhauls pressing plate, differentiation carries out this fault message
Whether the electrical network of emulation there occurs real electric network fault；
(7) when step (3) the complete electric power networks fault simulation working condition of the startup is met, if step (4), (5), (6)
Can not judge that the action signal that protection device sends is that then the action signal is to carry out because protection device maintenance is caused
The real fault-signal of the electrical network of this fault message emulation, failure information system main website handling failure information is simultaneously generated complete dynamic
Give a report.
The application further includes following preferred version, and wherein step (3) is further included：
3.1 according to the action report generated in protection device simulation process, with first protection for sending of protection device
The markers of action signal is used as action report zero moment, if other protection signals belong to same protection device and send, and sends out
When the time difference of the time and above-mentioned zero moment that go out protection signal is less than the time threshold DIFFTIMEIED, according to this
The protection signal that protection device sends generates same action report；If the same protection device starts dispersion record ripple, and opens
When movement time is less than difference DIFFTIMEREC with the time difference of above-mentioned zero moment, then recorder data is disperseed to be integrated into same dynamic
Give a report；
3.2 according to primary equipment generate electric network fault report, with the protection device related to primary equipment in all guarantors
Zero moment earliest in action signal is protected as the electric network fault moment, if other protection signals related to the primary equipment
When the time of generation is respectively less than threshold value with the time difference of affiliated zero moment, then in the related protective relaying device of the primary equipment
All protection signals are incorporated in same electric network fault report, wherein, take REPORT_ with the different protection device threshold values in station
LINK_TIME_SAME_STATION, different substation protection device threshold value takes REPORT_LINK_TIME_DIFF_STATION；
If concentrate record ripple to be associated with the primary equipment, and its movement time reports the time difference of zero moment less than same with protection act
Transformer station's difference protection device threshold value REPORT_LINK_TIME_SAME_STATION, then the concentration recorder data be also integrated into
In electric network fault report correspondence recorded wave file.
The invention has the advantages that：
When failure information system functional test is carried out, protective relaying device action warning information can not only be emulated, and
And can Fast Modular draw up true electric network fault.Scientific basis is provided for test failure information system Trouble Report integration ability.
Description of the drawings
Fig. 1 is artificial intelligence data hierarchy figure；
Fig. 2 is analogue system flow chart；
Fig. 3 is fault message whole process simulation method flow schematic diagram disclosed by the invention.
Specific embodiment
Below with reference to Fig. 1～2, the implementation method of the present invention is illustrated, as shown in figure 1, by transforming plant primary model, two
Secondary model is loaded into main station system and arranges record ripple store path, by electric network fault information emulator software client emulation electricity
Net fault message, by protection device signal main website is sent to.
As shown in Fig. 2 sending protection device signal, SOE signals, disconnecting link signal by electric network fault information emulator software
Receive artificial intelligence and simultaneously carry out Trouble Report arrangement Deng, main station system.
Fault message whole course simulation method disclosed by the invention as shown in Figure 3, specifically includes following steps：
(1) relevant parameter is set, same protection device be whether the time criterion of same primary fault be 20 seconds, no
It is 100 seconds, disperses record ripple starting time poor with the device absolute time of the first event of report with the action report correlation time at station
Fiducial value is 30 seconds.As shown in table 1：
The electric network fault Report Parameters of table 1 are arranged
| Title | Value | |
| 1 | DIFFTIMEIED | 20 seconds |
| 3 | REPORT_LINK_TIME_DIFF_STATION | 100 seconds |
| 4 | DIFFTIMEREC | 30 seconds |
Wherein, DIFFTIMEIED be same protection device be whether same primary fault time threshold, REPORT_LINK_
TIME_SAME_STATION is the action report correlation time at different stations, and DIFFTIMEREC is dispersion record ripple starting time and report
Accuse the difference of the absolute time of the protection device of first event；
(2) simulated grid run various relevant informations (including protection act, protection alarm, fault parameter, recorder data,
The information such as SOE signals)；
(3) with relay protection device action signal as starting element, when relay in simulation relay protection and fault information system
Start complete electric power networks fault simulation work during protection equipment action message；
(4) when meeting that step (3) is described to be started complete electric power networks fault simulation and work, closed according to the secondary association of electrical network one or two
System, finds out the relay protection relative breaker both sides disconnecting link position signalling：When mimic buss action message, according to topological relation
Corresponding chopper and chopper both sides disconnecting link are found, simulation disconnecting link position is then judged as YES maintenance state, simulation disconnecting link position to open
Conjunction is set to, is then judged as YES maintenance state；
(5) when meeting the report of step (3) startup separator and arranging, protected according to the signal imitation of relative breaker SOE
Signal：Mimic buss protection has action signal, and according to topological relation corresponding chopper is found, and such as mimic-disconnecting switch disconnects SOE
Signal, then it is assumed that real fault message；
(6) when meeting the report of step (3) startup separator and arranging, protected according to the simulation of relay protection signal quality position
Signal：When relay protection maintenance is simulated, the simulation input maintenance pressing plate in the prudential sub-station of plant stand end, main website receives simulation software
The maintenance mark of transmission, discriminates whether real failure；
(7) when meeting the report of step (3) simulated fault and arranging, if step (4), (5), (6) can not be judged
Signal is turnaround of unit, then simulation software simulation is real fault-signal；
Wherein step (3) is further included：
A) report according to protection device simulated actions.The markers of the earliest protection act sent using this device is used as action
Report zero moment.If other protection signals belong to same device, and its movement time is little with the time difference of above-mentioned zero moment
When threshold value 20 seconds, simulation for same action report.If the dispersion record ripple being sent to belongs to same device, and its movement time
During with the time difference of above-mentioned zero moment less than threshold value 30 seconds, emulation for same action report.
B) according to primary equipment simulating grid Trouble Report.With zero moment earliest in all protection act reports of this equipment
As the electric network fault moment.If the report of other protection acts belongs to same primary equipment, and its zero moment and this equipment other guarantors
The time difference of shield action report zero moment is respectively less than threshold value and (takes 60 seconds with station different device threshold value, different station arrangement threshold values take 100
Second) when, simulation for same electric network fault report.
Applicant describes in detail to embodiments of the invention with reference to Figure of description and describes, but this area skill
It should be understood that above example is only the preferred embodiments of the invention, explanation in detail is intended merely to help reader art personnel
More fully understand that the present invention is spiritual, and not limiting the scope of the invention, conversely, any invention essence based on the present invention
Any improvement or modification that god is made all should fall within the scope and spirit of the invention.
Claims (2)
1. a kind of fault message whole process simulation method, it is characterised in that the method comprising the steps of：
(1) relevant parameter is set, and the parameter includes whether the protection signal of same protection device is directed to same primary fault
Time threshold DIFFTIMEIED, the action report correlation time of different substation be the different substation action report times difference
When REPORT_LINK_TIME_DIFF_STATION, dispersion record first protection signal of ripple starting time and protection device
Between difference DIFFTIMEREC；
(2) various relevant informations are run by Power System Simulator simulated grid, the relevant information includes the guarantor of protection device
Shield action signal, protection alarm signal, fault parameter, recorder data, sequence of events recording SOE signals；(3) in simulation process
In, the action signal with protection device starts as starting element when protection device sends action signal in Power System Simulator
Complete electric power networks fault simulation work；
(4) when the condition of the complete electric power networks fault simulation work of step (3) startup is met, closed according to the secondary association of electrical network one or two
System, finds out the chopper both sides disconnecting link position signalling related to the protection device, if the both sides disconnecting link state is "ON", sentences
The protection device tripping operation under maintenance state simultaneously this electric power networks fault simulation of unconformity of the disconnected electrical network for carrying out this fault message emulation
Report；
(5) when the condition of the complete electric power networks fault simulation work of step (3) startup is met, according to related to protection device
The protection signal of the SOE signal imitation protection devices of chopper：When mimic buss protection has action signal, opening up according to electrical network
The relation of flutterring finds corresponding chopper, if mimic-disconnecting switch has disconnection SOE signals simultaneously, then it is assumed that the SOE signals are true
Positive fault message；
(6) when the condition of the complete electric power networks fault simulation work of step (3) startup is met, it is in detection protection device signal
It is no to judge that whether the protection device of present day analog is in inspecting state with maintenance mark simulation protection signal, when carrying in signal
During maintenance mark simulation protection signal, it is believed that the protection device of present day analog is in inspecting state, then in simulation process, in factory
Simulation input maintenance pressing plate in end prudential sub-station of standing, according to whether input overhauls pressing plate, differentiation carries out this fault message emulation
Electrical network whether there occurs real electric network fault；
(7) when step (3) the complete electric power networks fault simulation working condition of the startup is met, if step (4), (5), (6) are not
Can judge that the action signal that protection device sends is that then the action signal is to carry out this because protection device maintenance is caused
The real fault-signal of the electrical network of fault message emulation, failure information system main website handling failure information simultaneously generates complete action report
Accuse.
2. method according to claim 1, wherein step (3) is further included：
3.1 according to the action report generated in protection device simulation process, with first protection act for sending of protection device
The markers of signal is used as action report zero moment, if other protection signals belong to same protection device and send, and sends guarantor
When the time of shield action signal is less than the time threshold DIFFTIMEIED with the time difference of above-mentioned zero moment, according to the protection
The protection signal that device sends generates same action report；If the same protection device starts dispersion record ripple, and starts work
When time is less than difference DIFFTIMEREC with the time difference of above-mentioned zero moment, then recorder data is disperseed to be integrated into same action report
Accuse；
3.2 generate electric network fault report according to primary equipment, with the protection device related to primary equipment in all protections it is dynamic
Make zero moment earliest in signal as the electric network fault moment, if other protection signals related to the primary equipment are produced
Time when being respectively less than threshold value with the time difference of affiliated zero moment, then it is all in the related protective relaying device of the primary equipment
Protection signal is incorporated in same electric network fault report, wherein, take REPORT_LINK_ with the different protection device threshold values in station
TIME_SAME_STATION, different substation protection device threshold value takes REPORT_LINK_TIME_DIFF_STATION；If collection
Middle record ripple is associated with the primary equipment, and its movement time reports that the time difference of zero moment is less than same power transformation with protection act
Stand different protection device threshold values REPORT_LINK_TIME_SAME_STATION, then the concentration recorder data is also integrated into electrical network
In Trouble Report correspondence recorded wave file.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106483401B (en) * | 2016-09-28 | 2019-03-19 | 许昌许继软件技术有限公司 | A kind of failure zero moment judgment method and device based on recorder data |
| CN106950450B (en) * | 2017-04-18 | 2019-08-27 | 国家电网公司 | The method for early warning and equipment of protective relaying device secondary circuit failure |
| CN113054746B (en) * | 2021-04-08 | 2023-01-03 | 南方电网科学研究院有限责任公司 | Relay protection master station online monitoring function fault filing module testing system and method |
| CN114217163A (en) * | 2021-11-18 | 2022-03-22 | 广西电网有限责任公司玉林供电局 | Remote regular inspection device system and remote regular inspection method for transformer substation traveling wave distance measurement |
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| CN102195276A (en) * | 2011-05-19 | 2011-09-21 | 南方电网科学研究院有限责任公司 | Method for acquiring setting reserve of direct current transmission relay protection |
| CN103105550A (en) * | 2013-01-14 | 2013-05-15 | 湖北省电力公司电力科学研究院 | Detection method and detection system of intelligent relay protection device |
| CN103245855A (en) * | 2013-04-23 | 2013-08-14 | 国家电网公司 | Digital simulation based method and system for testing relay protection function of intelligent substation |
| CN103559822A (en) * | 2013-11-18 | 2014-02-05 | 国家电网公司 | Substation simulation training system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005054968A1 (en) * | 2003-11-26 | 2005-06-16 | Tokyo Electron Limited | Intelligent system for detection of process status, process fault and preventive maintenance |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101894488A (en) * | 2009-07-15 | 2010-11-24 | 上海市电力公司超高压输变电公司 | Distributed three-dimensional simulation training system for regional power system transformer station |
| CN102195276A (en) * | 2011-05-19 | 2011-09-21 | 南方电网科学研究院有限责任公司 | Method for acquiring setting reserve of direct current transmission relay protection |
| CN103105550A (en) * | 2013-01-14 | 2013-05-15 | 湖北省电力公司电力科学研究院 | Detection method and detection system of intelligent relay protection device |
| CN103245855A (en) * | 2013-04-23 | 2013-08-14 | 国家电网公司 | Digital simulation based method and system for testing relay protection function of intelligent substation |
| CN103559822A (en) * | 2013-11-18 | 2014-02-05 | 国家电网公司 | Substation simulation training system |
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