CN106961157B - A kind of reason resolving method of the long-range monitoring information mistake of power system accident - Google Patents
A kind of reason resolving method of the long-range monitoring information mistake of power system accident Download PDFInfo
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Abstract
The invention discloses a kind of reason resolving methods of the long-range monitoring information mistake of power system accident, the implementation steps of method include the power system accident actual conditions for receiving substation's operation maintenance personnel and reporting and submitting, 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, the long-range monitoring information error reason of power system accident is carried out to differentiate, hair and accidentally hair different situations are leaked by accident sub-gate signal, the substation accident resultant signal at corresponding moment is examined successively, protection act exports signal, whether switch quartile signal lacks, and telemetry, successively differentiate the reason for determining the long-range monitoring information mistake that causes the accident.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 long-range monitoring signal of scheduling station, point the direction for subsequent defect elimination, improve monitoring information and rectify and improve efficiency, ensure the timeliness of long-range monitoring information maintenance.
Description
Technical field
The present invention relates to power dispatching automation technologies, and in particular to a kind of long-range monitoring information mistake of power system accident
The reason of resolving method.
Background technique
With power grid popularization, Automation of Electric Systems, intelligence degree are increasingly deepened, most of in power grid at present to become
Power station realized it is unattended, to operation of power networks state, especially extremely, the monitoring of fault condition and in time disposition, increasingly
Operations staff is relied on remotely to monitor.The related monitoring information of power remote monitoring system information, especially accident it is accurate and complete
Whole property is significant to the timely discovery disposition of accident or even safe and stable operation of power system.In order to more intuitive, 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 (being synthesized by all protection acts outlet signal) and corresponding switch sub-gate signal logic synthesis accident sub-gate signal, and push away
It send to operations staff's monitoring interface.Accident sub-gate signal is remotely monitored to Operation of Electric Systems personnel and is offered convenience, and raising is got over
Therefore the efficiency of discovery processing, reduce the labor intensity of monitoring personnel.Accident sub-gate signal is sent out there are some omissions and accidentally at present
Situation affects its effect in operation monitoring.It is more due to being related to equipment and information link, accident sub-gate signal mistake
The reason of (omit, accidentally send out), differentiates more difficulty, to defect elimination band difficulty, is unfavorable for the timeliness of monitoring information maintenance.
Therefore, accident sub-gate signal mistake of the error reason as target is recognized using quick analysis there is an urgent need to a kind of at present
The method for accidentally analyzing reason ensures the timeliness of long-range monitoring information maintenance to improve the efficiency of monitoring information defect elimination.It is existing to relate to
And the method for long-range monitoring signal alarm is many, but safeguards to be target for long-range monitoring signal mistake, in order to signal defect elimination
The reason of resolving method almost without.A kind of power train as disclosed in the Chinese patent literature application No. is 201310114561.X
Grid operation state of uniting and analysis system and monitoring and analysis method are used for grid operation state, analysis and early warning
System, but the technical solution is not directed to the equipment or method of the analysis long-range monitoring information error reason of power system accident.Such as
A kind of electric power supervisory control alarm information processing method disclosed in Chinese patent literature application No. is 201510075099.6 and
System improves electric system warning information though the technical solution recognizes whether alarm event occurs by warning information
Analysis efficiency, but the reason of do not analyze fault alarm information, the efficiency of information defect elimination can not be improved, is unfavorable for safeguarding monitoring in time
The correct and integrality of information.
Summary of the invention
The technical problem to be solved in the present invention: in view of the above problems in the prior art, one kind is provided only in accordance with scheduling station
Long-range monitoring signal can differentiate positioning and cause the accident the equipment or information link of sub-gate signal mistake, indicated for subsequent defect elimination
Direction improves monitoring information and rectifies and improves efficiency, ensures that the power system accident of the timeliness of long-range monitoring information maintenance remotely monitors
The reason of information errors resolving method.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows:
A kind of reason resolving method of the long-range monitoring information mistake of power system accident, implementation steps include:
1) the power system accident actual conditions that substation's operation maintenance personnel is reported and submitted are received, for the practical 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 and power system accident are real
Border situation is inconsistent, then jumps and execute the long-range monitoring information error reason resolution of step 2) progress power system accident, otherwise move back
Out；
2) if accident actual conditions have occurred, and do not have the accident sub-gate signal at accident moment, location of accident, then jumps and hold
Row step 3) otherwise jumps and executes step 14)；
3) it is determined as accident sub-gate signal leakage hair, checks the accident resultant signal at accident moment, accident substation occurred, if
Accident resultant signal missing, then jump and execute step 4), otherwise, jumps and executes step 11)；
4) the protection act outlet signal at accident moment, location of accident is checked, protection act outlet signal is power transformation
The outlet signal of trip protection in standing, and do not include protection alarm movement or enabling signal；If protection act exports signal deletion,
It then jumps and executes step 5)；Otherwise, it jumps and executes step 10)；
5) the switch quartile signal at accident moment, location of accident is checked, the accident moment is leaked in accident sub-gate signal
The moment occurs for actual accidents when hair；If switching quartile signal deletion, jumps and execute step 6)；Otherwise, it jumps and executes step 9)；
6) whether verification accident moment, other interval telemeterings of accident substation occurred, remote signals are normal, if the station is distant
Survey, remote signals do not refresh, then jump and execute step 7)；Otherwise, it jumps and executes step 8)；
7) by accident substation and scheduling station communication failure occur for the reason of the long-range monitoring information mistake of judgement accident,
It exits；
8) determine that the reason of the long-range monitoring information mistake of accident is controlled for the measure and control device faults itself of location of accident or with station
Layer network communication failure, the location of accident are the position of the switch that tripping occurs for actual accidents when accident sub-gate signal is leaked and sent out；
It exits；
9) determine the reason of the long-range monitoring information mistake of accident for the protective device and station level network communication of location of accident
Failure exits；
10) by accident substation accident resultant signal combinator occurs for the reason of the long-range monitoring information mistake of judgement accident
It is wrong, corresponding protection act outlet signal is not included in accident resultant signal, is exited；
11) the switch quartile signal at accident moment, location of accident is checked, if switch quartile signal deletion, jumps execution
Step 12)；Otherwise, it jumps and executes step 13)；
12) reason for determining the long-range monitoring information mistake of accident is the position of the switch relay failure of accident corresponding position,
It exits；
13) determine that the reason of the long-range monitoring information mistake of accident exists for scheduling station accident sub-gate signal combinator to leak
Hole, accident resultant signal fail to be effectively matched, exit with switch quartile signal；
14) it is judged as that accident sub-gate signal is accidentally sent out, there is accident sub-gate signal, corresponding time, the accident of abort situation is practical
Situation does not occur, the checking signal moment, signal location protection act export signal, the signal moment be accident separating brake believe
The moment occurs for accident sub-gate signal meaning accident when number accidentally sending out, and the signal location is the accident point when accident sub-gate signal is leaked and sent out
The position of the switch of lock signal meaning accident tripping；If protection act exports signal deletion, jumps and execute step 15)；Otherwise, it jumps
Turn to execute step 16)；
15) by accident substation accident resultant signal combinator occurs for the reason of the long-range monitoring information mistake of judgement accident
It is wrong, non-protected movement outlet signal is accidentally defined as protection act outlet signal, and be included in accident resultant signal, exited；
16) telemetry at signal moment, signal location is verified, is if signal accidentally sends out telemetry in preceding specified time
Zero or fixed numbers, then it jumps and executes step 17)；Otherwise, it jumps and executes step 18)；
17) the non-shield test reactor letter of main website during the reason for determining the long-range monitoring information mistake of accident is corresponding protection test
Number, it exits；
18) reason of the long-range monitoring information mistake of judgement accident for telemechanical apparatus faults itself cause monitoring information accidentally hair or
Main website does not shield initializing signal when telemechanical apparatus is restarted, and exits.
Preferably, the accident sub-gate signal in step 1) is substation accident resultant signal and the logic conjunction for switching quartile signal
At signal；
Preferably, the expression formula of the logic composite signal is Sfxy=SfxS&Qxy, wherein SfxyFor x substation y switch
Accident sub-gate signal, SfxSFor x substation accident resultant signal, QxyQuartile signal is switched for x substation y.
Preferably, the accident resultant signal of the substation in step 3) is that all protection acts of substation export signal logic conjunction
At signal；
Preferably, the expression formula of the accident resultant signal isWherein SfxSFor x substation accident resultant signal,
PxiProtection act, which is covered, for x substation i exports signal.
The reason resolving method of the long-range monitoring information mistake of power system accident of the present invention has the advantages that following: the present invention
The power system accident actual conditions reported and submitted by receiving substation's operation maintenance personnel, one by one for power system accident actual conditions
Verification accident sub-gate signal carries out power system accident if accident sub-gate signal and power system accident actual conditions are inconsistent
Long-range monitoring information error reason is differentiated, and leaks hair and accidentally hair different situations by accident sub-gate signal, the corresponding moment is examined successively
Substation accident resultant signal, protection act outlet signal, whether switch quartile signal lacks and telemetry, successively differentiates
Determine the reason for the long-range monitoring information mistake that causes the accident.The present invention can be differentiated only in accordance with the long-range monitoring signal of scheduling station
The equipment or information link for the sub-gate signal mistake that causes the accident are positioned, is pointed the direction for subsequent defect elimination, monitoring information rectification is improved
Efficiency ensures the timeliness of long-range monitoring information maintenance.
Detailed description of the invention
Fig. 1 is the basic procedure schematic diagram of present invention method.
Specific embodiment
As shown in Figure 1, the implementation of the reason resolving method of the long-range monitoring information mistake of the present embodiment power system accident walks
Suddenly include:
1) the power system accident actual conditions that substation's operation maintenance personnel is reported and submitted are received, for the practical 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 and power system accident are real
Border situation is inconsistent, then jumps and execute the long-range monitoring information error reason resolution of step 2) progress power system accident, otherwise move back
Out；
2) if accident actual conditions have occurred, and do not have the accident sub-gate signal at accident moment, location of accident, then jumps and hold
Row step 3) otherwise jumps and executes step 14)；
3) it is determined as accident sub-gate signal leakage hair, checks the accident resultant signal at accident moment, accident substation occurred, if
Accident resultant signal missing, then jump and execute step 4), otherwise, jumps and executes step 11)；
4) the protection act outlet signal at accident moment, location of accident is checked, protection act outlet signal is power transformation
The outlet signal of trip protection in standing, and do not include protection alarm movement or enabling signal；If protection act exports signal deletion,
It then jumps and executes step 5)；Otherwise, it jumps and executes step 10)；
In the present embodiment, the switch quartile signal of verification 16:34:15 on March 2,512 switches find that the switch quartile is believed
It number does not lack；
5) the switch quartile signal at accident moment, location of accident is checked, the accident moment is leaked in accident sub-gate signal
The moment occurs for actual accidents when hair；If switching quartile signal deletion, jumps and execute step 6)；Otherwise, it jumps and executes step 9)；
6) whether verification accident moment, other interval telemeterings of accident substation occurred, remote signals are normal, if the station is distant
Survey, remote signals do not refresh, then jump and execute step 7)；Otherwise, it jumps and executes step 8)；
7) by accident substation and scheduling station communication failure occur for the reason of the long-range monitoring information mistake of judgement accident,
It exits；
8) determine that the reason of the long-range monitoring information mistake of accident is controlled for the measure and control device faults itself of location of accident or with station
Layer network communication failure, the location of accident are the position of the switch that tripping occurs for actual accidents when accident sub-gate signal is leaked and sent out；
It exits；
9) determine the reason of the long-range monitoring information mistake of accident for the protective device and station level network communication of location of accident
Failure exits；
10) by accident substation accident resultant signal combinator occurs for the reason of the long-range monitoring information mistake of judgement accident
It is wrong, corresponding protection act outlet signal is not included in accident resultant signal, is exited；
11) the switch quartile signal at accident moment, location of accident is checked, if switch quartile signal deletion, jumps execution
Step 12)；Otherwise, it jumps and executes step 13)；
12) reason for determining the long-range monitoring information mistake of accident is the position of the switch relay failure of accident corresponding position,
It exits；
13) determine that the reason of the long-range monitoring information mistake of accident exists for scheduling station accident sub-gate signal combinator to leak
Hole, accident resultant signal fail to be effectively matched, exit with switch quartile signal；
14) it is judged as that accident sub-gate signal is accidentally sent out, there is accident sub-gate signal, corresponding time, the accident of abort situation is practical
Situation does not occur, the checking signal moment, signal location protection act export signal, the signal moment be accident separating brake believe
The moment occurs for accident sub-gate signal meaning accident when number accidentally sending out, and the signal location is the accident point when accident sub-gate signal is leaked and sent out
The position of the switch of lock signal meaning accident tripping；If protection act exports signal deletion, jumps and execute step 15)；Otherwise, it jumps
Turn to execute step 16)；
15) by accident substation accident resultant signal combinator occurs for the reason of the long-range monitoring information mistake of judgement accident
It is wrong, by non-protected movement export signal (such as switch control circuit broken string, switch on the spot, spring unstored energy) be accidentally defined as protecting
Movement outlet signal, and it is included in accident resultant signal, it exits；
16) telemetry at signal moment, signal location is verified, is if signal accidentally sends out telemetry in preceding specified time
Zero or fixed numbers, then it jumps and executes step 17)；Otherwise, it jumps and executes step 18)；
17) the non-shield test reactor letter of main website during the reason for determining the long-range monitoring information mistake of accident is corresponding protection test
Number, it exits；
18) reason of the long-range monitoring information mistake of judgement accident for telemechanical apparatus faults itself cause monitoring information accidentally hair or
Main website does not shield initializing signal when telemechanical apparatus is restarted, and exits.
In the present embodiment, accident sub-gate signal in step 1) is substation accident resultant signal and switch quartile signal is patrolled
Collect composite signal.In the present embodiment, the expression formula of logic composite signal is Sfxy=SfxS&Qxy, wherein SfxyFor x substation y switch
Accident sub-gate signal, SfxSFor x substation accident resultant signal, QxyQuartile signal is switched for x substation y, i.e. certain switch failure
Sub-gate signal be the station accident resultant signal and the switch quartile signal and signal.
In the present embodiment, the accident resultant signal of the substation in step 3) is that all protection acts outlet signals of substation are patrolled
Collect composite signal.In the present embodiment, the expression formula of accident resultant signal isWherein SfxSAlways believe for x substation accident
Number, PxiProtection act is covered for x substation i and exports signal, i.e. certain substation accident resultant signal is all protection acts of certain substation
Export signal or signal.
Table 1 is certain long-range monitoring information of 220kV substation accident in March, and table 2 is the power transformation after the verification of live operation maintenance personnel
It stands the accident actual conditions of same period.It hereafter will be using Tables 1 and 2 as input data, to the present embodiment electric system thing
Therefore the reason resolving method of long-range monitoring information mistake is illustrated:
Table 1: certain long-range monitoring information of 220kV substation accident.
| Alarm signal title | Time |
| 512 switch quartiles | March 2 16:34:15 0330 |
| 512 route protections movement outlet | March 2 16:34:15 0370 |
| Accident resultant signal | March 2 16:34:15 0370 |
| 601 switch control circuits broken string | March 14 08:10:25 0800 |
| Accident resultant signal | March 14 08:10:25 0800 |
| 601 switch quartiles | March 14 08:10:25 0810 |
| 601 accident separating brakes | March 14 08:10:25 0810 |
Table 2: certain 220kV substation accident actual conditions after verified.
| Accident | Time |
| 512 routes cause to trip by lightning stroke | March 2 16:34:15 0320 |
When the present embodiment executes step 1) when verification accident sub-gate signal, the accident sub-gate signal and accident on March 2 are found
Actual conditions are inconsistent, this needs, which jumps, executes the long-range monitoring information error reason resolution of step 2) progress power system accident.
When executing step 2), discovery 16:34:15 on March 2,512 switch failure actual conditions have occurred, and 16:34 on non-March 2:
15, the accident sub-gate signal of 512 switches, therefore jump and execute step 3).When executing step 3), it is judged as that accident sub-gate signal leaks
Hair checks the accident resultant signal of 16:34:15 on March 2, the 220kV substation, it is found that the accident resultant signal does not lack；Therefore it jumps
Turn to execute step 11).When executing step 11), because switch quartile signal does not lack, jumps and execute step 13).Executing step
13) it when, recognizes the reason for determining to cause the accident long-range monitoring information mistake and is deposited for scheduling station accident sub-gate signal combinator
In loophole, accident resultant signal fails to be effectively matched with switch quartile signal.
When another accident sub-gate signal is handled, when executing step 1) when verification accident sub-gate signal, March 14 is found
Accident sub-gate signal and accident actual conditions it is inconsistent, jump execute step 2) carry out the long-range monitoring information of power system accident
Error reason is differentiated；When executing step 2), discovery 08:10:25 on March 14,601 switch failure actual conditions do not occur, and have 3
The accident sub-gate signals of moon 08:10:25 on the 14th, 601 switches, therefore jump and execute step 14)；When executing step 14), it is judged as
Accident sub-gate signal is accidentally sent out, and the protection act outlet signal of verification 08:10:25 on March 14,601 switches do not find that the protection is dynamic
Signal for export, therefore jump and execute step 15)；When executing step 15), identification determines the long-range monitoring information mistake that causes the accident
The reason of by accident to occur substation accident resultant signal combinator wrong, non-protected movement outlet signal is accidentally defined as protecting
Shield movement outlet signal, and it is included in accident resultant signal.
Finally, terminate the long-range monitoring information error reason of epicycle accident to differentiate.
By the reason resolving method of the long-range monitoring information mistake of mentioned power system accident, recognize 16:34:15 on March 2,
The information of 512 switches is accident sub-gate signal leakage hair, and the reason for recognizing the long-range monitoring information mistake that causes the accident is scheduling station
There are loophole, accident resultant signals to fail to be effectively matched with switch quartile signal for accident sub-gate signal combinator；It is true by verifying
Be scheduling station fail match accident resultant signal and switch quartile signal.By the long-range monitoring information of mentioned power system accident
The reason resolving method of mistake, the information that identification 08:10:25 on March 14,601 switch are that accident sub-gate signal is accidentally sent out, and identification is made
It is wrong that substation accident resultant signal combinator occurred by accident at the reason of the long-range monitoring information mistake of accident, it will be non-protected
Movement outlet signal is accidentally defined as protection act outlet signal, and is included in accident resultant signal；It is strictly by switch control by verification
Circuit breaking signal is accidentally defined as protection act outlet signal, and is included in accident resultant signal.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several 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. a kind of reason resolving method of the long-range monitoring information mistake of power system accident, it is characterised in that implementation steps include:
1) the power system accident actual conditions reported and submitted of substation's operation maintenance personnel are received, for power system accident actual conditions by
A verification accident sub-gate signal, for each accident sub-gate signal, if accident sub-gate signal and the practical feelings of power system accident
Condition is inconsistent, then jumps and execute the long-range monitoring information error reason resolution of step 2) progress power system accident, otherwise exit；
2) if accident actual conditions have occurred, and do not have the accident sub-gate signal at accident moment, location of accident, then jumps and execute step
It is rapid 3), otherwise, jump execute step 14)；
3) it is determined as accident sub-gate signal leakage hair, the accident resultant signal at accident moment, accident substation occurred is checked, if accident
Resultant signal missing, then jump and execute step 4), otherwise, jumps and executes step 11)；
4) the protection act outlet signal at accident moment, location of accident is checked, protection act outlet signal is in substation
The outlet signal of trip protection, and do not include protection alarm movement or enabling signal；If protection act exports signal deletion, jump
Turn to execute step 5)；Otherwise, it jumps and executes step 10)；
5) the switch quartile signal at accident moment, location of accident is checked, the accident moment is when accident sub-gate signal is leaked and sent out
Moment occurs for actual accidents；If switching quartile signal deletion, jumps and execute step 6)；Otherwise, it jumps and executes step 9)；
6) whether verification accident moment, other interval telemeterings of accident substation occurred, remote signals are normal, if the station telemetering,
Remote signals do not refresh, then jump and execute step 7)；Otherwise, it jumps and executes step 8)；
7) by accident substation and scheduling station communication failure occur for the reason of the long-range monitoring information mistake of judgement accident, move back
Out；
8) determine the long-range monitoring information mistake of accident reason for location of accident measure and control device faults itself or with station level net
Network communication failure, the location of accident are the position of the switch that tripping occurs for actual accidents when accident sub-gate signal is leaked and sent out；It exits；
9) determine the long-range monitoring information mistake of accident reason for location of accident protective device and station level network communication failure,
It exits；
10) by accident substation accident resultant signal combinator, which occurs, for the reason of the long-range monitoring information mistake of judgement accident has
Accidentally, corresponding protection act outlet signal is not included in accident resultant signal, exited；
11) the switch quartile signal at accident moment, location of accident is checked, if switch quartile signal deletion, jumps execution step
12)；Otherwise, it jumps and executes step 13)；
12) determine that the reason of the long-range monitoring information mistake of accident is the position of the switch relay failure of accident corresponding position, exit；
13) reason of the long-range monitoring information mistake of judgement accident is scheduling station accident sub-gate signal combinator there are loophole,
Accident resultant signal fails to be effectively matched with switch quartile signal, exits；
14) it is judged as that accident sub-gate signal is accidentally sent out, there is accident sub-gate signal, corresponds to the accident actual conditions of time, abort situation
Do not occur, the checking signal moment, signal location protection act export signal, the signal moment be accident sub-gate signal miss
The moment occurs for accident sub-gate signal meaning accident when hair, and the signal location is that accident separating brake is believed when accident sub-gate signal is leaked and sent out
The position of the switch of number signified accident tripping；If protection act exports signal deletion, jumps and execute step 15)；Otherwise, it jumps and holds
Row step 16)；
15) by accident substation accident resultant signal combinator, which occurs, for the reason of the long-range monitoring information mistake of judgement accident has
Accidentally, non-protected movement outlet signal is accidentally defined as protection act outlet signal, and is included in accident resultant signal, exited；
16) verify the telemetry at signal moment, signal location, if signal accidentally send out before in specified time telemetry be zero or
Fixed numbers then jump and execute step 17)；Otherwise, it jumps and executes step 18)；
17) the non-shield test reactor signal of main website during the reason for determining the long-range monitoring information mistake of accident is corresponding protection test, is moved back
Out；
18) reason of the long-range monitoring information mistake of judgement accident leads to monitoring information accidentally hair or telemechanical for telemechanical apparatus faults itself
Main website does not shield initializing signal when device is restarted, and exits.
2. the reason resolving method of the long-range monitoring information mistake of power system accident according to claim 1, which is characterized in that
Accident sub-gate signal in step 1) is substation accident resultant signal and the logic composite signal for switching quartile signal.
3. the reason resolving method of the long-range monitoring information mistake of power system accident according to claim 2, which is characterized in that
The expression formula of the logic composite signal is Sfxy=SfxS&Qxy, wherein SfxyFor the accident sub-gate signal of x substation y switch, SfxS
For x substation accident resultant signal, QxyQuartile signal is switched for x substation y.
4. the reason resolving method of the long-range monitoring information mistake of power system accident according to claim 1, which is characterized in that
The accident resultant signal of substation in step 3) is that all protection acts of substation export signal logic composite signal.
5. the reason resolving method of the long-range monitoring information mistake of power system accident according to claim 4, which is characterized in that
The expression formula of the accident resultant signal isWherein SfxSFor x substation accident resultant signal, PxiIt covers and protects for x substation i
Shield movement outlet signal.
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| CN108448721B (en) * | 2018-03-27 | 2022-12-02 | 国网山东省电力公司潍坊供电公司 | Method for automatically matching monitoring signal of main station of power system with standard signal |
| CN109583028B (en) * | 2018-10-31 | 2023-04-18 | 国网湖南省电力有限公司 | Scheduling power plant accident total signal synthesis method and system |
| CN113097981B (en) * | 2021-03-15 | 2022-03-25 | 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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| CN101158847A (en) * | 2007-08-23 | 2008-04-09 | 济南钢铁集团总公司 | Electric power substation software emulation platform building method and no power off upgrading improved method |
| JP2015078937A (en) * | 2013-10-18 | 2015-04-23 | ゼネラル・エレクトリック・カンパニイ | Correcting accumulated power in utility meters |
| CN106329730A (en) * | 2016-09-14 | 2017-01-11 | 国网江苏省电力公司连云港供电公司 | Substation monitoring information automatic acceptance system based on intelligent power grid scheduling system |
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2017
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101158847A (en) * | 2007-08-23 | 2008-04-09 | 济南钢铁集团总公司 | Electric power substation software emulation platform building method and no power off upgrading improved method |
| JP2015078937A (en) * | 2013-10-18 | 2015-04-23 | ゼネラル・エレクトリック・カンパニイ | Correcting accumulated power in utility meters |
| CN106329730A (en) * | 2016-09-14 | 2017-01-11 | 国网江苏省电力公司连云港供电公司 | Substation monitoring information automatic acceptance system based on intelligent power grid scheduling system |
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