CN106961157A - A kind of the reason for power system accident remote monitoring information errors resolving method - Google Patents
A kind of the reason for power system accident remote monitoring information errors resolving method Download PDFInfo
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Abstract
The invention discloses resolving method the reason for a kind of power system accident remote monitoring information errors, the implementation steps of method include receiving the power system accident actual conditions that transformer station's operation maintenance personnel is reported and submitted, accident sub-gate signal is checked one by one for power system accident actual conditions, if accident sub-gate signal and power system accident actual conditions are inconsistent, power system accident remote monitoring information errors reason is carried out to differentiate, hair and by mistake hair different situations are leaked by accident sub-gate signal, it is examined in the substation accident resultant signal at corresponding moment, protection act exports signal, whether a switch point position signal lacks, and telemetry, successively differentiate determination cause the accident remote monitoring information errors the reason for.The present invention can differentiate the equipment or information link for positioning the sub-gate signal mistake that causes the accident only in accordance with the remote monitoring signal of scheduling station, be that follow-up defect elimination points the direction, and improve monitoring information rectification efficiency, ensure the promptness of remote monitoring maintenance of information.
Description
Technical field
The present invention relates to power dispatching automation technology, and in particular to a kind of power system accident remote monitoring information errors
The reason for resolving method.
Background technology
With power network popularization, Automation of Electric Systems, intelligence degree are increasingly deepened, most of in current power network to become
Power station realized it is unattended, to operation of power networks state, the particularly abnormal, monitoring of failure situation and disposal in time, increasingly
Rely on operations staff's remote monitoring.The relevant monitoring information of power remote monitoring system information, particularly accident it is accurate and complete
Whole property, the timely discovery to accident is disposed, or even power system safety and stability operation is significant.In order to more directly perceived, accurate anti-
Power system accident situation is reflected, New Generation of Intelligent power grid regulation technology support system (scheduling station) always believes substation accident
Number (exporting signal by all protection acts to synthesize) and corresponding switch sub-gate signal logic synthesis accident sub-gate signal, and push away
Deliver to operations staff's monitoring interface.Accident sub-gate signal is offered convenience to Operation of Electric Systems personnel's remote monitoring, and raising is got over
Therefore the efficiency of processing is found, reduce the labor intensity of monitoring personnel.There are some omissions and send out by mistake in current accident sub-gate signal
Situation, have impact on its effect in operation monitoring.It is more due to being related to equipment and information link, accident sub-gate signal mistake
The reason for (omit, send out) differentiates more difficult by mistake, the difficulty to defect elimination band, is unfavorable for the promptness of monitoring information maintenance.
Therefore, at present in the urgent need to a kind of accident sub-gate signal using quick analysis identification error reason as target is wrong
The method for analyzing reason by mistake, to improve the efficiency of monitoring information defect elimination, ensures the promptness of remote monitoring maintenance of information.It is existing to relate to
And the method for remote monitoring signal alarm is many, but safeguard to be target for remote monitoring signal error, in order to signal defect elimination
The reason for resolving method almost do not have.A kind of power train as disclosed in Application No. 201310114561.X Chinese patent literature
Grid operation state of uniting and analysis system and monitoring and analysis method, for grid operation state, analysis and early warning
System, but the technical scheme is not directed to analyze the equipment or method of power system accident remote monitoring information errors reason.Such as
A kind of electric power supervisory control alarm information processing method disclosed in the Chinese patent literature of Application No. 201510075099.6 and
System, though the technical scheme recognizes whether alarm event occurs by warning information, improves power system warning information
Analysis efficiency, but the reason for do not analyze fault alarm information, it is impossible to the efficiency of information defect elimination is improved, is unfavorable for safeguarding monitoring in time
The correct and integrality of information.
The content of the invention
The technical problem to be solved in the present invention：For prior art above mentioned problem there is provided one kind only in accordance with scheduling station
Remote monitoring signal can differentiate positioning and cause the accident the equipment or information link of sub-gate signal mistake, be that follow-up defect elimination is indicated
Direction, improves monitoring information rectification efficiency, ensures the power system accident remote monitoring of the promptness of remote monitoring maintenance of information
The reason for information errors resolving method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of the reason for power system accident remote monitoring information errors resolving method, implementation steps include：
1) the power system accident actual conditions that transformer station's operation maintenance personnel is reported and submitted are received, for the actual feelings of power system accident
Condition checks accident sub-gate signal one by one, for each accident sub-gate signal, if accident sub-gate signal is real with power system accident
Border situation is inconsistent, then redirects execution step 2) resolution of power system accident remote monitoring information errors reason is carried out, otherwise, jump
Turn to perform step 19)；
If 2) accident actual conditions have occurred, and do not have accident moment, the accident sub-gate signal of location of accident, then redirect and hold
Row step 3), otherwise, redirect execution step 14)；
3) it is determined as accident sub-gate signal leakage hair, the accident resultant signal of transformer station occurs for verification accident moment, accident, if
Accident resultant signal is lacked, then redirects execution step 4), otherwise, redirect execution step 11)；
4) verification accident moment, the protection act outlet signal of location of accident, protection act outlet signal is power transformation
The outlet signal of trip protection in standing, and not comprising protection alarm action or enabling signal；If protection act exports signal deletion,
Then redirect execution step 5)；Otherwise, execution step 10 is redirected)；
5) verification accident moment, the switch point position signal of location of accident, the accident moment is in the leakage of accident sub-gate signal
The moment occurs for actual accidents during hair；If switch point position signal deletion, execution step 6 is redirected)；Otherwise, execution step 9 is redirected)；
6) whether normally other interval remote measurements of transformer station, remote signals occur for verification accident moment, accident, if the station is distant
Survey, remote signals do not refresh, then redirect execution step 7)；Otherwise, execution step 8 is redirected)；
7) judge occur transformer station and scheduling station communication failure by accident the reason for accident remote monitoring information errors,
Exit；
8) the reason for judging accident remote monitoring information errors is controlled as the measure and control device faults itself of location of accident or with station
Layer network communication failure, the location of accident is that the position of the switch of tripping occurs for actual accidents when accident sub-gate signal leaks and sent out；
Exit；
9) protection device and station level network service of the reason for the judging accident remote monitoring information errors as location of accident
Failure, is exited；
10) judge occur substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors
It is wrong, corresponding protection act outlet signal is not included into accident resultant signal, exited；
11) verification accident moment, the switch point position signal of location of accident, if switch point position signal deletion, redirects execution
Step 12)；Otherwise, execution step 13 is redirected)；
12) the reason for judging accident remote monitoring information errors as accident correspondence position position of the switch relay failure,
Exit；
13) the reason for judging accident remote monitoring information errors exists as scheduling station accident sub-gate signal combinator to be leaked
Hole, accident resultant signal fails to be effectively matched with a switch point position signal, exits；
14) it is judged as accident sub-gate signal hair by mistake, there is accident sub-gate signal, correspondence time, the accident reality of abort situation
Situation does not occur, checking signal moment, the protection act outlet signal of signal location, and the signal moment is in accident separating brake letter
The moment occurs for the signified accident of accident sub-gate signal when number sending out by mistake, and the signal location is the accident point when accident sub-gate signal leaks and sent out
The position of the switch of lock signal meaning accident tripping；If protection act exports signal deletion, execution step 15 is redirected)；Otherwise, jump
Turn to perform step 16)；
15) judge occur substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors
It is wrong, non-protected action outlet signal is defined as protection act outlet signal by mistake, and accident resultant signal is included, exit；
16) signal moment, the telemetry of signal location are verified, if telemetry is signal in the specified time send out by mistake before
Zero or fixed numbers, then redirect execution step 17)；Otherwise, execution step 18 is redirected)；
17) the reason for judging accident remote monitoring information errors as corresponding protection test during main website non-shield test reactor letter
Number, exit；
18) the reason for judging accident remote monitoring information errors cause as telemechanical apparatus faults itself monitoring information by mistake hair or
Main website does not shield initializing signal when telemechanical apparatus is restarted, and exits.
Preferably, step 1) in accident sub-gate signal for substation accident resultant signal with switch sub-gate signal logic close
Into signal；
Preferably, the expression formula of the logic composite signal is Sfxy=SfxS&Qxy, wherein SfxySwitched for x transformer stations y
Accident sub-gate signal, SfxSFor x substation accident resultant signals, QxyFor x transformer stations y switch point position signals.
Preferably, step 3) in the accident resultant signal of transformer station be transformer station's all protection signal logics synthesis letter
Number；
Preferably, the expression formula of the accident resultant signal isWherein SfxSFor x substation accident resultant signals,
PxiFor x transformer stations i set protection acts outlet signal.
The reason for power system accident remote monitoring information errors of the present invention resolving method have the advantages that it is following：The present invention
By receiving the power system accident actual conditions that transformer station's operation maintenance personnel is reported and submitted, for power system accident actual conditions one by one
Verification accident sub-gate signal, if accident sub-gate signal and power system accident actual conditions are inconsistent, carries out power system accident
Remote monitoring information errors reason is differentiated, and is leaked by accident sub-gate signal and is sent out and send out different situations by mistake, is examined in the corresponding moment
Whether substation accident resultant signal, protection act outlet signal, a switch point position signal lack, and telemetry, successively differentiate
It is determined that cause the accident remote monitoring information errors the reason for.The present invention can be differentiated only in accordance with the remote monitoring signal of scheduling station
The equipment or information link for the sub-gate signal mistake that causes the accident are positioned, is that follow-up defect elimination points the direction, monitoring information rectification is improved
Efficiency, ensures the promptness of remote monitoring maintenance of information.
Brief description of the drawings
Fig. 1 is the basic procedure schematic diagram of present invention method.
Embodiment
As shown in figure 1, the implementation of resolving method is walked the reason for the present embodiment power system accident remote monitoring information errors
Suddenly include：
1) the power system accident actual conditions that transformer station's operation maintenance personnel is reported and submitted are received, for the actual feelings of power system accident
Condition checks accident sub-gate signal one by one, for each accident sub-gate signal, if accident sub-gate signal is real with power system accident
Border situation is inconsistent, then redirects execution step 2) resolution of power system accident remote monitoring information errors reason is carried out, otherwise, jump
Turn to perform step 19)；
If 2) accident actual conditions have occurred, and do not have accident moment, the accident sub-gate signal of location of accident, then redirect and hold
Row step 3), otherwise, redirect execution step 14)；
3) it is determined as accident sub-gate signal leakage hair, the accident resultant signal of transformer station occurs for verification accident moment, accident, if
Accident resultant signal is lacked, then redirects execution step 4), otherwise, redirect execution step 11)；
4) verification accident moment, the protection act outlet signal of location of accident, protection act outlet signal is power transformation
The outlet signal of trip protection in standing, and not comprising protection alarm action or enabling signal；If protection act exports signal deletion,
Then redirect execution step 5)；Otherwise, execution step 10 is redirected)；
In the present embodiment, on March 2 16 is checked:34:15th, the switch point position signal of 512 switches, it is found that the switch point position is believed
Number do not lack；
5) verification accident moment, the switch point position signal of location of accident, the accident moment is in the leakage of accident sub-gate signal
The moment occurs for actual accidents during hair；If switch point position signal deletion, execution step 6 is redirected)；Otherwise, execution step 9 is redirected)；
6) whether normally other interval remote measurements of transformer station, remote signals occur for verification accident moment, accident, if the station is distant
Survey, remote signals do not refresh, then redirect execution step 7)；Otherwise, execution step 8 is redirected)；
7) judge occur transformer station and scheduling station communication failure by accident the reason for accident remote monitoring information errors,
Exit；
8) the reason for judging accident remote monitoring information errors is controlled as the measure and control device faults itself of location of accident or with station
Layer network communication failure, the location of accident is that the position of the switch of tripping occurs for actual accidents when accident sub-gate signal leaks and sent out；
Exit；
9) protection device and station level network service of the reason for the judging accident remote monitoring information errors as location of accident
Failure, is exited；
10) judge occur substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors
It is wrong, corresponding protection act outlet signal is not included into accident resultant signal, exited；
11) verification accident moment, the switch point position signal of location of accident, if switch point position signal deletion, redirects execution
Step 12)；Otherwise, execution step 13 is redirected)；
12) the reason for judging accident remote monitoring information errors as accident correspondence position position of the switch relay failure,
Exit；
13) the reason for judging accident remote monitoring information errors exists as scheduling station accident sub-gate signal combinator to be leaked
Hole, accident resultant signal fails to be effectively matched with a switch point position signal, exits；
14) it is judged as accident sub-gate signal hair by mistake, there is accident sub-gate signal, correspondence time, the accident reality of abort situation
Situation does not occur, checking signal moment, the protection act outlet signal of signal location, and the signal moment is in accident separating brake letter
The moment occurs for the signified accident of accident sub-gate signal when number sending out by mistake, and the signal location is the accident point when accident sub-gate signal leaks and sent out
The position of the switch of lock signal meaning accident tripping；If protection act exports signal deletion, execution step 15 is redirected)；Otherwise, jump
Turn to perform step 16)；
15) judge occur substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors
It is wrong, by non-protected action outlet signal (such as switch control circuit broken string, switch on the spot, spring unstored energy) be defined as by mistake protection
Action outlet signal, and accident resultant signal is included, exit；
16) signal moment, the telemetry of signal location are verified, if telemetry is signal in the specified time send out by mistake before
Zero or fixed numbers, then redirect execution step 17)；Otherwise, execution step 18 is redirected)；
17) the reason for judging accident remote monitoring information errors as corresponding protection test during main website non-shield test reactor letter
Number, exit；
18) the reason for judging accident remote monitoring information errors cause as telemechanical apparatus faults itself monitoring information by mistake hair or
Main website does not shield initializing signal when telemechanical apparatus is restarted, and exits.
In the present embodiment, step 1) in accident sub-gate signal be substation accident resultant signal with switching patrolling for sub-gate signal
Collect composite signal.In the present embodiment, the expression formula of logic composite signal is Sfxy=SfxS&Qxy, wherein SfxySwitched for x transformer stations y
Accident sub-gate signal, SfxSFor x substation accident resultant signals, QxyFor x transformer stations y switch point position signals, i.e. certain switch failure
Sub-gate signal is that the station accident resultant signal and the switch divide position signal and signal.
In the present embodiment, step 3) in the accident resultant signal of transformer station closed for all protection signal logics of transformer station
Into signal.In the present embodiment, the expression formula of accident resultant signal isWherein SfxSFor x substation accident resultant signals, Pxi
It is that all protection acts of certain transformer station go out message for the outlet of x transformer stations i set protection acts signal, i.e. certain substation accident resultant signal
Number or signal.
Table 1 is certain 220kV transformer stations accident in March remote monitoring information, and table 2 is the power transformation after being examined through live operation maintenance personnel
Stand the accident actual conditions of same period.Hereafter will be using Tables 1 and 2 as input data, to the present embodiment power system thing
Therefore resolving method is illustrated the reason for remote monitoring information errors：
Table 1：Certain 220kV substation accident remote monitoring information.
| Alarm signal title | Time |
| 512 switch point positions | On March 2 16:34:15 0330 |
| 512 route protections action outlet | On March 2 16:34:15 0370 |
| Accident resultant signal | On March 2 16:34:15 0370 |
| 601 switch control circuits break | On March 14 08:10:25 0800 |
| Accident resultant signal | On March 14 08:10:25 0800 |
| 601 switch point positions | On March 14 08:10:25 0810 |
| 601 accident separating brakes | On March 14 08:10:25 0810 |
Table 2：Certain 220kV substation accident actual conditions after verified.
The present embodiment perform step 1) when verification accident sub-gate signal when, find March 2 accident sub-gate signal and accident
Actual conditions are inconsistent, and this needs redirects execution step 2) carry out the resolution of power system accident remote monitoring information errors reason.
Performing step 2) when, find on March 2 16:34:15th, 512 switch failure actual conditions have occurred, and on non-March 2 16:34:
15th, the accident sub-gate signal of 512 switches, therefore redirect execution step 3).Performing step 3) when, it is judged as that accident sub-gate signal leaks
Hair, checks on March 2 16:34:15th, the accident resultant signal of the 220kV transformer stations, it is found that the accident resultant signal is not lacked；Therefore jump
Turn to perform step 11).Performing step 11) when, because a switch point position signal is not lacked, redirect execution step 13).Performing step
13) when, recognize the reason for judging to cause the accident remote monitoring information errors and deposited as scheduling station accident sub-gate signal combinator
In leak, accident resultant signal fails to be effectively matched with a switch point position signal.
In the processing of another accident sub-gate signal, perform step 1) when verification accident sub-gate signal when, find March 14
Accident sub-gate signal and accident actual conditions it is inconsistent, redirect execution step 2) carry out power system accident remote monitoring information
Error reason is differentiated；Perform step 2) when, find on March 14 08:10:25th, 601 switch failure actual conditions do not occur, and have 3
On the moon 14 08:10:25th, the accident sub-gate signal of 601 switches, therefore redirect execution step 14)；Perform step 14) when, it is judged as
Accident sub-gate signal is sent out by mistake, checks on March 14 08:10:25th, the protection act outlet signal of 601 switches, does not find that the protection is moved
Signal, therefore redirect execution step 15 for export)；Perform step 15) when, identification judgement causes the accident remote monitoring information errors
The reason for by accident to occur substation accident resultant signal combinator wrong, non-protected action outlet signal is defined as protecting by mistake
Shield action outlet signal, and include accident resultant signal.
Finally, terminate epicycle accident remote monitoring information errors reason to differentiate.
By resolving method the reason for carried power system accident remote monitoring information errors, on March 2 16 is recognized:34:15、
The information of 512 switches leaks hair for accident sub-gate signal, and it is scheduling station to recognize the reason for causing the accident remote monitoring information errors
There is leak in accident sub-gate signal combinator, accident resultant signal fails to be effectively matched with a switch point position signal；It is true by examining
It is that scheduling station fails matching accident resultant signal with switching point position signal.By carried power system accident remote monitoring information
The reason for mistake resolving method, recognize on March 14 08:10:25th, the information of 601 switches is sent out by mistake for accident sub-gate signal, and identification is made
It is wrong into occurring substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors, by non-protected
Action outlet signal is defined as protection act outlet signal by mistake, and includes accident resultant signal；It is strictly that will switch control by verification
Circuit breaking signal is defined as protection act outlet signal by mistake, and includes accident resultant signal.
The above is only the preferred embodiment of the present invention, and protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical schemes belonged under thinking of the present invention belong to protection scope of the present invention.It should be pointed out that for the art
Those of ordinary skill for, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (5)
1. the reason for a kind of power system accident remote monitoring information errors resolving method, it is characterised in that implementation steps include：
1) the power system accident actual conditions that transformer station operation maintenance personnel is reported and submitted are received, for power system accident actual conditions by
Individual verification accident sub-gate signal, for each accident sub-gate signal, if accident sub-gate signal and the actual feelings of power system accident
Condition is inconsistent, then redirects execution step 2) resolution of power system accident remote monitoring information errors reason is carried out, otherwise, redirect and hold
Row step 19)；
If 2) accident actual conditions have occurred, and do not have accident moment, the accident sub-gate signal of location of accident, then redirect and perform step
It is rapid 3), otherwise, redirect execution step 14)；
3) it is determined as accident sub-gate signal leakage hair, the accident resultant signal of transformer station occurs for verification accident moment, accident, if accident
Resultant signal is lacked, then redirects execution step 4), otherwise, redirect execution step 11)；
4) verification accident moment, the protection act outlet signal of location of accident, protection act outlet signal is in transformer station
The outlet signal of trip protection, and not comprising protection alarm action or enabling signal；If protection act exports signal deletion, jump
Turn to perform step 5)；Otherwise, execution step 10 is redirected)；
5) verification accident moment, the switch point position signal of location of accident, the accident moment are when accident sub-gate signal leaks and sent out
Moment occurs for actual accidents；If switch point position signal deletion, execution step 6 is redirected)；Otherwise, execution step 9 is redirected)；
6) whether normally other interval remote measurements of transformer station, remote signals occur for verification accident moment, accident, if the station remote measurement,
Remote signals do not refresh, then redirect execution step 7)；Otherwise, execution step 8 is redirected)；
7) judge occur transformer station and scheduling station communication failure by accident the reason for accident remote monitoring information errors, move back
Go out；
8) the reason for judging accident remote monitoring information errors as location of accident measure and control device faults itself or with station level net
Network communication failure, the location of accident is that the position of the switch of tripping occurs for actual accidents when accident sub-gate signal leaks and sent out；Exit；
9) the reason for judging accident remote monitoring information errors as location of accident protection device and station level network communication failure,
Exit；
10) judge that occurring substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors has
By mistake, corresponding protection act outlet signal is not included into accident resultant signal, exited；
11) verification accident moment, the switch point position signal of location of accident, if switch point position signal deletion, redirects execution step
12)；Otherwise, execution step 13 is redirected)；
12) the reason for judging accident remote monitoring information errors exits as the position of the switch relay failure of accident correspondence position；
13) there is leak as scheduling station accident sub-gate signal combinator in the reason for judging accident remote monitoring information errors,
Accident resultant signal fails to be effectively matched with a switch point position signal, exits；
14) it is judged as accident sub-gate signal hair by mistake, there is accident sub-gate signal, correspondence time, the accident actual conditions of abort situation
Do not occur, checking signal moment, the protection act outlet signal of signal location, the signal moment is missed in accident sub-gate signal
The moment occurs for accident sub-gate signal meaning accident during hair, and the signal location is the accident separating brake letter when accident sub-gate signal leaks and sent out
The position of the switch of number signified accident tripping；If protection act exports signal deletion, execution step 15 is redirected)；Otherwise, redirect and hold
Row step 16)；
15) judge that occurring substation accident resultant signal combinator by accident the reason for accident remote monitoring information errors has
By mistake, non-protected action outlet signal is defined as protection act outlet signal by mistake, and includes accident resultant signal, exited；
16) signal moment, the telemetry of signal location are verified, if signal send out by mistake before in the specified time telemetry be zero or
Fixed numbers, then redirect execution step 17)；Otherwise, execution step 18 is redirected)；
17) the reason for judging accident remote monitoring information errors as corresponding protection test during the non-shield test reactor signal of main website, move back
Go out；
18) the reason for judging accident remote monitoring information errors causes monitoring information hair or telemechanical by mistake as telemechanical apparatus faults itself
Main website does not shield initializing signal when device is restarted, and exits.
2. resolving method the reason for power system accident remote monitoring information errors according to claim 1, it is characterised in that
Step 1) in accident sub-gate signal for substation accident resultant signal with switch sub-gate signal logic composite signal.
3. resolving method the reason for power system accident remote monitoring information errors according to claim 1, it is characterised in that
The expression formula of the logic composite signal is Sfxy=SfxS&Qxy, wherein SfxyThe accident sub-gate signal switched for x transformer stations y, SfxS
For x substation accident resultant signals, QxyFor x transformer stations y switch point position signals.
4. resolving method the reason for power system accident remote monitoring information errors according to claim 1, it is characterised in that
Step 3) in transformer station accident resultant signal be all protection signal logic composite signals of transformer station.
5. resolving method the reason for power system accident remote monitoring information errors according to claim 4, it is characterised in that
The expression formula of the accident resultant signal isWherein SfxSFor x substation accident resultant signals, PxiCover and protect for x transformer stations i
Shield action outlet signal.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108448721A (en) * | 2018-03-27 | 2018-08-24 | 国网山东省电力公司潍坊供电公司 | The method of electric system main station monitoring signal and standard signal Auto-matching |
| CN109583028A (en) * | 2018-10-31 | 2019-04-05 | 国网湖南省电力有限公司 | A kind of scheduling power plant accident resultant signal synthetic method and system |
| CN113097981A (en) * | 2021-03-15 | 2021-07-09 | 国网江苏省电力有限公司南通供电分公司 | Method for judging missing of monitoring alarm signal of transformer substation |
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