CN107202923A - A kind of method of automatic identification distribution line transmission test tripping operation - Google Patents
A kind of method of automatic identification distribution line transmission test tripping operation Download PDFInfo
- Publication number
- CN107202923A CN107202923A CN201710354414.8A CN201710354414A CN107202923A CN 107202923 A CN107202923 A CN 107202923A CN 201710354414 A CN201710354414 A CN 201710354414A CN 107202923 A CN107202923 A CN 107202923A
- Authority
- CN
- China
- Prior art keywords
- distribution line
- transmission test
- tripping operation
- identification
- tripping
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
A kind of method of automatic identification distribution line transmission test tripping operation, including the identification of circuit separating brake, line tripping identification, transmission test identification and transmission test are determined.Whether it is the tripping operation of protection device transmission test that a kind of method of automatic identification distribution line transmission test tripping operation proposed by the invention can be jumped with automatic identification distribution line; efficiently solve manual examination and verification delete appearance tripping operation record subtract by mistake, leak subtraction the problem of; substantially increase the accuracy of distribution line identification distribution line transmission test tripping operation; after production real-time managing and control system insertion distribution line transmission test tripping operation identification module; identification result and distribution line running situation are subjected to contrast discovery, recognition accuracy brings up to 99.9% by original 66%；By introducing electric current and protection information assistant criteria, distribution line tripping operation exact classification is realized, distribution line operation management level is improved, makes distribution line O＆M more targeted.
Description
Technical field
The present invention relates to a kind of method of automatic identification distribution line transmission test tripping operation, belong to adapted electro-technical field.
Background technology
The transmission test of protective relaying device can cause distribution line to trip, and production real-time managing and control system can be protected such
The transmission test tripping operation of protection unit is included among distribution line tripping operation, often brings influence to distribution line operation management, no
The true trip condition of distribution line and corresponding failure situation can truly be reflected, therefore in real work, power distribution information
Administrative staff need the transmission test tripping operation record progress manual examination and verification to protection device to delete, and often occur that distribution line is jumped
Lock record subtracts by mistake, leak subtraction.
Production real-time managing and control system can quasi real time obtain distribution line protection action message, current electrical amount etc. at this stage
Information, and can be facilitated from the corresponding operation information of each other information system acquisition according to actual conditions, but do not have also at present
There is a kind of method of system automatic identification distribution line transmission test tripping operation.
The content of the invention
The purpose of the present invention is, in order to solve the problem of system automatic identification distribution line transmission test trips, the present invention
A kind of method of automatic identification distribution line transmission test tripping operation is disclosed.
Realize the technical scheme is that, a kind of method of automatic identification distribution line transmission test tripping operation, the side
Method includes the identification of circuit separating brake, line tripping identification, transmission test identification and transmission test and determines that methods described step is as follows：
（1）Obtain and analysis switch motion protection signal and historical current data, switch action protection signal arrange with
, if detecting the presence of the position of the switch data of " separating brake ", and within some 1 minute time, there is corresponding protection dynamic in detection
Make data, then it is assumed that distribution line switch trips；
（2）If line tripping trips for protection device transmission test, the current value of continuous two points before tripping operation is less than
Threshold values, then it is the tripping operation of protection device transmission test to be automatically recognized as distribution line tripping operation；The threshold values is 1A；
（3）Three points continuously are taken before tripping operation, the point centered on second point, current values of former and later two points are less than threshold values,
And there are " combined floodgate " data in 15 minutes before tripping operation and final state is " combined floodgate ", be then automatically recognized as distribution line
Trip and tripped for protection device transmission test；The threshold values is 1A.
The circuit separating brake identification, obtains distribution line action protection signal, by the switch occurred as far as possible from system
Separating brake information all includes matching library, including switch separating brake, dolly separating brake；Current protection information and matching library are carried out automatic
Match somebody with somebody.
The line tripping identification, takes automatic search algorithm, from the automatic search distribution line separating brake moment within 30 seconds
Matched with the presence or absence of separating brake protection act information, and by separating brake action protection signal with matching library, packet in matching library
Such as " action, involution " is included, if the match is successful, distribution line belongs to trip protection, and such as it fails to match, then distribution line belongs to
In non-faulting tripping operation.
Transmission test identification, introduces assistant criteria before distribution line tripping operation, one be line tripping before continuous two
The current value of individual point is 0A, it is considered to which actual CT no-load voltage ratios, measure and control device etc. influence, and general threshold values is arranged to 1A；Two be in tripping operation
Preceding continuously takes three points, the point centered on second point, and current values of former and later two points are less than threshold values, and central point is more than threshold values,
General threshold values is arranged to 1A, as long as two above assistant criteria has an establishment, then further determines that line tripping into step 4
Type.
The transmission test is determined, after the identification of circuit separating brake, line tripping identification and transmission test identification, distribution wire
Road transmission test tripping operation there is " combined floodgate " signal within first 15 minutes and final state is " combined floodgate ", will be protected within first 15 minutes
Information and matching library carry out Auto-matching, if the match is successful, determine that distribution line transmission test trips, such as look into matching not into
Work(, it is determined that distribution line protection trips.
The beneficial effects of the invention are as follows the side that a kind of automatic identification distribution line transmission test proposed by the invention trips
Whether it is the tripping operation of protection device transmission test that method can be jumped with automatic identification distribution line, efficiently solves manual examination and verification and deletes appearance
Tripping operation record subtracts by mistake, leak subtraction the problem of, substantially increase the accuracy of distribution line identification distribution line transmission test tripping operation,
After production real-time managing and control system insertion distribution line transmission test tripping operation identification module, identification result and distribution line are run
Situation carries out contrast discovery, and recognition accuracy brings up to 99.9% by original 66%；Aided in by introducing electric current and protection information
Criterion, realizes distribution line tripping operation exact classification, improves distribution line operation management level, distribution line O＆M is had more pin
To property.
Brief description of the drawings
Fig. 1 is current curve correlation in the case of two kinds；
Fig. 2 is electric current classification results in 1 hour before transmission test；
Fig. 3 is automatic identification distribution line transmission test tripping operation flow chart.
Embodiment
The tool embodiment of the present invention is as shown in Figure 3.
Fig. 3 is automatic identification distribution line transmission test tripping operation flow chart.
Switch motion protection signal and historical current data are obtained and analyzed first, the switch separating brake occurred as far as possible is believed
Breath all includes matching library, including switch separating brake, dolly separating brake.
Link is recognized into circuit separating brake：Current protection information and matching library are subjected to Auto-matching；If it fails to match, match somebody with somebody
Separating brake does not occur for electric wire way switch；If the match is successful, distribution line switch separating brake；
Link is recognized into line tripping：After it is determined that distribution line switchs separating brake, not can determine that distribution line is protection
Tripping operation still falls within maintenance stoppage in transit separating brake.Whether historical data matches with present case before tripping operation identification control tripping operation first, wraps
Whether the current value for including continuous two points before tripping operation is less than threshold value；Or three points continuously are taken before tripping operation, with second point
Centered on point, former and later two point current values whether be less than threshold values, if it fails to match, jump is truly protected for distribution line
Lock；If the match is successful, primarily determine that and tripped for transmission test.
Link is recognized into transmission test：Distribution line transmission test trip within preceding 15 minutes in the presence of " combined floodgate " signal and
Final state is " combined floodgate ", is further added by Auto-matching algorithm, and protection information within first 15 minutes and matching library are carried out into automatic
Match somebody with somebody, if the match is successful, determine that distribution line transmission test trips, such as look into matching unsuccessful, it is determined that distribution line is truly protected
Shield tripping operation.
Claims (5)
1. a kind of method of automatic identification distribution line transmission test tripping operation, it is characterised in that methods described includes circuit separating brake
Identification, line tripping identification, transmission test identification and transmission test determine that methods described step is as follows：
（1）Obtain and analysis switch motion protection signal and historical current data, switch action protection signal arrange with
, if detecting the presence of the position of the switch data of " separating brake ", and within some 1 minute time, there is corresponding protection dynamic in detection
Make data, then it is assumed that distribution line switch trips；
（2）If line tripping trips for protection device transmission test, the current value of continuous two points before tripping operation is less than
Threshold values, then it is the tripping operation of protection device transmission test to be automatically recognized as distribution line tripping operation；The threshold values is 1A；
（3）Three points continuously are taken before tripping operation, the point centered on second point, current values of former and later two points are less than threshold values,
And there are " combined floodgate " data in 15 minutes before tripping operation and final state is " combined floodgate ", be then automatically recognized as distribution line
Trip and tripped for protection device transmission test；The threshold values is 1A.
2. a kind of method of automatic identification distribution line transmission test tripping operation according to claim 1, it is characterised in that institute
The identification of circuit separating brake is stated, distribution line action protection signal is obtained from system, by the switch separating brake information occurred as far as possible all
Include matching library, including switch separating brake, dolly separating brake；Current protection information and matching library are subjected to Auto-matching.
3. a kind of method of automatic identification distribution line transmission test tripping operation according to claim 1, it is characterised in that institute
Line tripping identification is stated, automatic search algorithm is taken, whether there is from the automatic search distribution line separating brake moment within 30 seconds and divide
Lock protection act information, and separating brake action protection signal is matched with matching library, in matching library information include as " action,
Involution " etc., if the match is successful, distribution line belongs to trip protection, and such as it fails to match, then distribution line belongs to non-faulting jump
Lock.
4. a kind of method of automatic identification distribution line transmission test tripping operation according to claim 1, it is characterised in that institute
State transmission test identification, introduce distribution line tripping operation before assistant criteria, one be line tripping before continuous two points electric current
It is worth for 0A, it is considered to which actual CT no-load voltage ratios, measure and control device etc. influence, general threshold values is arranged to 1A；Two be continuously taking before tripping operation
Three points, the point centered on second point, the current value of former and later two points is less than threshold values, and central point is more than threshold values, and general threshold values is set
1A is set to, as long as two above assistant criteria has an establishment, then line tripping type is further determined that.
5. a kind of method of automatic identification distribution line transmission test tripping operation according to claim 1, it is characterised in that institute
Transmission test determination is stated, after the identification of circuit separating brake, line tripping identification and transmission test identification, distribution line transmission test
Tripping operation there is " combined floodgate " signal within first 15 minutes and final state is " combined floodgate ", by protection information within first 15 minutes with matching
Storehouse carries out Auto-matching, if the match is successful, determines that distribution line transmission test trips, such as looks into matching unsuccessful, it is determined that match somebody with somebody
Electric line trip protection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354414.8A CN107202923A (en) | 2017-05-19 | 2017-05-19 | A kind of method of automatic identification distribution line transmission test tripping operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354414.8A CN107202923A (en) | 2017-05-19 | 2017-05-19 | A kind of method of automatic identification distribution line transmission test tripping operation |
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| Publication Number | Publication Date |
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| CN107202923A true CN107202923A (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710354414.8A Pending CN107202923A (en) | 2017-05-19 | 2017-05-19 | A kind of method of automatic identification distribution line transmission test tripping operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193585A (en) * | 2018-09-29 | 2019-01-11 | 国网四川省电力公司电力科学研究院 | A kind of high-voltage alternating route protection tripping recognition sequence method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278736A (en) * | 2013-04-12 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil |
| CN204046139U (en) * | 2014-08-18 | 2014-12-24 | 国家电网公司 | There is the station local coordinate frame shunting switch protective device of tripping operation measuring ability |
| CN105527541A (en) * | 2016-01-18 | 2016-04-27 | 泰豪软件股份有限公司 | Method for judging power distribution line fault tripping |
-
2017
- 2017-05-19 CN CN201710354414.8A patent/CN107202923A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278736A (en) * | 2013-04-12 | 2013-09-04 | 南方电网科学研究院有限责任公司 | Method for automatically inquiring and diagnosing and publishing diagnosis result of thunder and lightning of breaker coil |
| CN204046139U (en) * | 2014-08-18 | 2014-12-24 | 国家电网公司 | There is the station local coordinate frame shunting switch protective device of tripping operation measuring ability |
| CN105527541A (en) * | 2016-01-18 | 2016-04-27 | 泰豪软件股份有限公司 | Method for judging power distribution line fault tripping |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193585A (en) * | 2018-09-29 | 2019-01-11 | 国网四川省电力公司电力科学研究院 | A kind of high-voltage alternating route protection tripping recognition sequence method |
| CN109193585B (en) * | 2018-09-29 | 2019-11-12 | 国网四川省电力公司电力科学研究院 | A kind of high-voltage alternating route protection tripping recognition sequence method |
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Application publication date: 20170926 |
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