CN106532955B - A kind of implementation method of Centralized Monitoring substation telemetering identification function - Google Patents
A kind of implementation method of Centralized Monitoring substation telemetering identification function Download PDFInfo
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Abstract
A kind of implementation method of Centralized Monitoring substation telemetering identification function.It includes that telemetering identification module is added between traditional city's tune monitoring system and interior monitoring system of standing；In actual operation, the telemetering bad data recognition function having using telemetering identification module will stand in the power grid Nei Ge substation that uploads of monitoring system the telemetry of substation equipment be filtered, obvious unreasonable "false" telemetry is filtered, and the sending alarm signal in appearance " dead " telemetry.Effect of the present invention: the telemetry of substation equipment is filtered in the power grid Nei Ge substation of interior monitoring system upload that will be stood using telemetering identification module, it can prevent bad data from having an impact to dispatch automated system safe and stable operation, to realize dispatch automated system operation, monitoring advanced optimize, it controlled, monitored convenient for operation maintenance personnel, the whole network automatic management level can be promoted, and guarantees power grid security, stabilization and high-quality operation.
Description
Technical field
The invention belongs to electric system repair and maintenance technical fields, know more particularly to a kind of telemetering of Centralized Monitoring substation
The implementation method of other function.
Background technique
In the actual motion of electric system, whether the monitoring of telemetry out-of-limit etc. all can directly reflect that can power grid
Safe and stable operation.In addition, telemetering also provides decision basis for dispatch automated systems such as voltage and reactive power automatic control systems
Information, therefore, telemetry are highly important information in dispatching of power netwoks operation monitoring.
Fig. 1 is currently used dispatch automated system operation and monitoring method schematic diagram；As shown in Figure 1, operating normally
When, city's tune monitoring system 1 is to obtain substation in power grid Nei Ge substation in dispatch automated system slave station in monitoring system 2 to set
Standby 3 real-time telemetry data simultaneously carry out on-line analysis and calculating, thus carry out centralized watch, uniformly to these substation equipments 3
Management and On-line Control, to realize that the whole network regulates and controls operation with closed ring.
In dispatch automated system data acquisition link, if dispatch automated system real-time telemetry data are in the transmission
There are there are mistake or errors when interference or data maintenance, it will and the reliability of dispatch automated system is substantially reduced,
The problems such as appearance cannot issue Threshold Crossing Alert.Either work as telecontrol equipment and city's tune telecontrol equipment channel interrupt or logical in substation
When road link is unimpeded but power transformation station equipment control abnormity of power supply, telemechanical apparatus exception occurs, the telemetry sent in substation
For "false" data or " dead " data.Therefore it for the angle of safe operation, needs to dispatch automated system telemetry
Bad data in acquisition is identified and is handled.
Summary of the invention
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of Centralized Monitoring substation telemetering identification functions
Implementation method.
In order to achieve the above object, the implementation method of Centralized Monitoring substation telemetering identification function provided by the invention includes
The following steps carried out in order:
Telemetering identification module is added between traditional city's tune monitoring system and interior monitoring system of standing in step 1)；
In actual operation, the telemetering bad data recognition function having using telemetering identification module will supervise step 2) in station
The telemetry of substation equipment is filtered in the power grid Nei Ge substation that control system uploads, and filters obvious unreasonable "false"
Telemetry, and alarm signal is issued in appearance " dead " telemetry.
In step 1), the telemetering identification module is measure and control device in standing.
In step 2), in the power grid Nei Ge substation of the interior monitoring system upload that will be stood using telemetering identification module
The method that the telemetry of substation equipment is filtered includes the following steps:
Step 2.1) is set using substation in power grid Nei Ge substation is obtained in monitoring system in telemetering identification module slave station
Standby real-time telemetry data；
Step 2.2) is filtered verification to above-mentioned real-time telemetry data, to remove the influence of interference signal or noise；
Step 2.3) judges whether the telemetry after above-mentioned filtering verification is "false" telemetry, if it is judged that being
"Yes" then executes step 2.5) in next step, otherwise executes step 2.4) in next step；
Step 2.4) is judged as that the telemetry of non-vacation is uploaded to city's tune monitoring system 1 after filtering verification for above-mentioned；
Step 2.5) combines corresponding switch remote signalling displacement information, protection signal to the above-mentioned telemetering for being judged as "false"
Data compensate verification identification；
Step 2.6) judges whether above-mentioned compensation verification recognition result is correct, if correctly, executing step 2.2) in next step,
Otherwise step 2.7) is executed in next step；
Step 2.7) issues alarm signal after one section of delay.
In step 2.1), the real-time telemetry data specifically include that main transformer high, medium and low voltage side active power,
Reactive power, electric current, voltage；The reactive power of capacitor and reactor, electric current.
In step 2.3), the described telemetry judged after above-mentioned filtering verification whether be "false" telemetry side
Method are as follows: by " control loop template ", " measure and control device is abnormal ", the protection signal including " device channel alarm " introduces criterion, when
When the above signal issues, judge telemetry for "false".
In step 2.5), the combination switchs remote signalling displacement information, protection signal to above-mentioned judgement accordingly
Verification knowledge method for distinguishing is compensated for the telemetry of "false" are as follows:
Step 2.5.1) remote signalling displacement information identification: when occurring to influence the remote signalling displacement of system operation mode, telemetering number
According to can also occur to change accordingly, take remote measurement data identification in conjunction with corresponding switch remote signalling displacement information；
Step 2.5.2) protection signal identification: when channel abnormal or device exception, it is dynamic also to issue corresponding protection
Make signal, in conjunction with corresponding protection signal take remote measurement data identification；
Step 2.5.3) when to be that correct, protection signal is identified as not occurring different for switch remote signalling displacement information recognition result
Often, then determine compensate check results be it is correct, otherwise compensation check results be mistake.
In step 2.5.1), the remote signalling displacement information knows method for distinguishing are as follows: according to switch remote signalling location status letter
Breath judgement:
A, when switch is " conjunction ", the electric current i for flowing through switch is greater than given threshold value, then telemetry is correct, otherwise telemetering
Error in data；
B, when switch is " dividing ", the electric current i for flowing through switch is less than given threshold value, then telemetry is correct, otherwise telemetering
Error in data.
In step 2.7), the method that alarm signal is issued after one section of delay are as follows: the telemetering sent in monitoring
Whether data refresh in the time as defined in one, and the time is by manually being set, if above-mentioned telemetry is defined
Do not refresh in time, is determined as " dead " telemetry, at this moment issues alarm signal.
The effect of the implementation method of Centralized Monitoring substation telemetering identification function provided by the invention:
The telemetering of substation equipment in the power grid Nei Ge substation for being uploaded the interior monitoring system in station using telemetering identification module
Data are filtered, and can prevent bad data from having an impact to dispatch automated system safe and stable operation, to realize tune
Degree automated system operation, monitoring advanced optimize, controlled, monitored convenient for operation maintenance personnel, can be promoted the whole network automation
Management level, and guarantee power grid security, stabilization and high-quality operation.
Detailed description of the invention
Fig. 1 is currently used dispatch automated system operation and monitoring method schematic diagram；
Fig. 2 is to introduce telemetering in the implementation method of Centralized Monitoring substation telemetering identification function provided by the invention to identify mould
Block schematic diagram；
Fig. 3 is telemetering recognition methods flow chart in the present invention.
Specific embodiment
In the following with reference to the drawings and specific embodiments to the reality of Centralized Monitoring substation telemetering identification function provided by the invention
Existing method is described in detail.
The implementation method of Centralized Monitoring substation telemetering identification function provided by the invention include carry out in order it is following
Step:
Step 1) is as shown in Fig. 2, there is "false" telemetry or " dead " telemetry to solve Centralized Monitoring substation
The problem of, telemetering identification module 4 is added between traditional city's tune monitoring system 1 and interior monitoring system 2 of standing；
In actual operation, the telemetering bad data recognition function having using telemetering identification module 4 will be in station for step 2)
The telemetry of substation equipment 3 is filtered in the power grid Nei Ge substation that monitoring system 2 uploads, and is filtered obvious unreasonable
"false" telemetry, and alarm signal is issued in appearance " dead " telemetry, to prevent bad data to scheduling automated
System safe and stable operation has an impact, thus realize dispatch automated system operation, monitoring advanced optimizes, promote full electricity
Automation management level and power grid security, stabilization and high-quality operation.
In step 1), the telemetering identification module 4 is measure and control device in standing, and is responsible for telemetry in acquisition station, will
The monitoring system in standing is sent in data, then through telemechanical apparatus by the city telemetry Shang Songzhi tune monitoring system.
As shown in figure 3, in step 2), the power grid for being uploaded the interior monitoring system 2 in station using telemetering identification module
The method that the telemetry of substation equipment 3 is filtered in Nei Ge substation includes the following steps:
Step 2.1), which utilizes, obtains substation in power grid Nei Ge substation in monitoring system 2 in 4 slave station of telemetering identification module
The real-time telemetry data of equipment 3；
Step 2.2) is filtered verification to above-mentioned real-time telemetry data: due to substation during telemetry data transmission
Inside there is various interference signals or noise, will affect the accuracy of telemetry in this way, it is therefore desirable to the real-time distant of acquisition
Measured data is filtered verification, to remove the influence of above-mentioned interference signal or noise；
Step 2.3) judges whether the telemetry after above-mentioned filtering verification is "false" telemetry, if it is judged that being
"Yes" then executes step 2.5) in next step, otherwise executes step 2.4) in next step；
Step 2.4) is judged as that the telemetry of non-vacation is uploaded to city's tune monitoring system 1 after filtering verification for above-mentioned；
Step 2.5) combines corresponding switch remote signalling displacement information, protection signal to the above-mentioned telemetering for being judged as "false"
Data compensate verification identification；
Step 2.6) judges whether above-mentioned compensation verification recognition result is correct, if correctly, executing step 2.2) in next step,
Otherwise step 2.7) is executed in next step；
Step 2.7) issues alarm signal after one section of delay.
In step 2.1), the real-time telemetry data specifically include that main transformer high, medium and low voltage side active power,
Reactive power, electric current, voltage；The reactive power of capacitor and reactor, electric current.
In step 2.3), the described telemetry judged after above-mentioned filtering verification whether be "false" telemetry side
Method are as follows:
Since in actual operation, when occurring with station end channel interrupt or measure and control device exception, telemetering can be caused
It is sent in "false" data.Therefore, by " control loop template ", " measure and control device is abnormal ", the protection letter including " device channel alarm "
Number introduce criterion, when the above signal issue when, judge telemetry for "false".Specific criterion is as follows:
When protection signal=1, if artificial unconfirmed, telemetry is "false".
In step 2.5), the combination switchs remote signalling displacement information, protection signal to above-mentioned judgement accordingly
Verification knowledge method for distinguishing is compensated for the telemetry of "false" are as follows:
Step 2.5.1) remote signalling displacement information identification: when occurring to influence the remote signalling displacement of system operation mode, telemetering number
According to can also occur to change accordingly, take remote measurement data identification in conjunction with corresponding switch remote signalling displacement information；
Step 2.5.2) protection signal identification: when channel abnormal or device exception, it is dynamic also to issue corresponding protection
Make signal, in conjunction with corresponding protection signal take remote measurement data identification；
Step 2.5.3) when to be that correct, protection signal is identified as not occurring different for switch remote signalling displacement information recognition result
Often, then determine compensate check results be it is correct, otherwise compensation check results be mistake.
In step 2.5.1), the remote signalling displacement information knows method for distinguishing are as follows: according to switch remote signalling location status letter
Breath judgement:
A, when switch is " conjunction ", the electric current i for flowing through switch is greater than given threshold value, then telemetry is correct, otherwise telemetering
Error in data；
B, when switch is " dividing ", the electric current i for flowing through switch is less than given threshold value, then telemetry is correct, otherwise telemetering
Error in data.
In step 2.7), the method that alarm signal is issued after one section of delay are as follows:
During power system automation apparatus operation, it is possible to due to measure and control device failure, telecontrol device crash or master
Telemetry block occurs for dispatch automated system of standing platform and artificial number of setting causes telemetry not refresh during the reason of interior,
Form " dead " telemetry.When generation " dead " telemetry phenomenon, it will cause the out-of-limit automatic identification that is unable to of data and alert, therefore
It is particularly critical to judge whether it is " dead " telemetry.This step is that the telemetry sent is in monitoring in the time as defined in one
No refreshing, the time is by manually being set, if above-mentioned telemetry does not refresh before the deadline, is determined as that " dead " is distant
At this moment measured data issues alarm signal.
Claims (2)
1. a kind of implementation method of Centralized Monitoring substation telemetering identification function, the implementation method include carrying out in order
The following steps:
Telemetering identification module (4) are added between traditional city's tune monitoring system (1) and interior monitoring system (2) of standing in step 1)；
In actual operation, the telemetering bad data recognition function having using telemetering identification module (4) will supervise step 2) in station
The telemetry of substation equipment (3) is filtered in the power grid Nei Ge substation that control system (2) uploads, and is filtered obvious unreasonable
"false" telemetry, and issue alarm signal in appearance " dead " telemetry；
It is characterized by: described will be stood in the power grid that interior monitoring system (2) uploads using telemetering identification module in step 2)
The method that the telemetry of substation equipment (3) is filtered in each substation includes the following steps:
Step 2.1) obtains substation in power grid Nei Ge substation using monitoring system (2) in telemetering identification module (4) slave station is middle
The real-time telemetry data of equipment (3)；
Step 2.2) is filtered verification to above-mentioned real-time telemetry data, to remove the influence of interference signal or noise；
Step 2.3) judges whether the telemetry after above-mentioned filtering verification is "false" telemetry, if it is judged that being
"Yes" then executes step 2.5) in next step, otherwise executes step 2.4) in next step；
Step 2.4) is judged as that the telemetry of non-vacation is uploaded to city's tune monitoring system (1) after filtering verification for above-mentioned；
Step 2.5) combines corresponding switch remote signalling displacement information, protection signal to the above-mentioned telemetry for being judged as "false"
Compensate verification identification；
Step 2.6) judges whether above-mentioned compensation verification recognition result is correct, if correctly, executing step 2.2) in next step, otherwise
Step 2.7) is executed in next step；
Step 2.7) issues alarm signal after one section of delay；
In step 2.3), the described telemetry judged after above-mentioned filtering verification whether be "false" telemetry method
Are as follows: by " control loop template ", " measure and control device is abnormal ", the protection signal including " device channel alarm " introduces criterion, when with
When upper signal issues, judge telemetry for "false"；
In step 2.5), the combination switchs remote signalling displacement information accordingly, protection signal is judged as to above-mentioned
The telemetry of "false" compensates verification and knows method for distinguishing are as follows:
Step 2.5.1) remote signalling displacement information identification: when occurring to influence the remote signalling displacement of system operation mode, telemetry
Can occur to change accordingly, in conjunction with corresponding switch remote signalling displacement information take remote measurement data identification；
Step 2.5.2) protection signal identification: when channel abnormal or device exception, it can also issue corresponding protection act letter
Number, in conjunction with corresponding protection signal take remote measurement data identification；
Step 2.5.3) when switch remote signalling displacement information recognition result be it is correct, protection signal is identified as not occurring exception,
Then determine compensate check results be it is correct, otherwise compensation check results be mistake；
In step 2.5.1), the remote signalling displacement information knows method for distinguishing are as follows: is sentenced according to switch remote signalling location status information
It is disconnected:
A, when switch is " conjunction ", the electric current i for flowing through switch is greater than given threshold value, then telemetry is correct, otherwise telemetry
Mistake；
B, when switch is " dividing ", the electric current i for flowing through switch is less than given threshold value, then telemetry is correct, otherwise telemetry
Mistake；
In step 2.7), the method that alarm signal is issued after one section of delay are as follows: the telemetry sent in monitoring
Whether refresh in the time as defined in one, the time is by manually being set, if above-mentioned telemetry is in the defined time
Do not refresh inside, is determined as " dead " telemetry, at this moment issues alarm signal.
2. the implementation method of Centralized Monitoring substation telemetering identification function according to claim 1, it is characterised in that: in step
It is rapid 2.1) in, the real-time telemetry data specifically include that main transformer high, medium and low voltage side active power, reactive power, electricity
Stream, voltage；The reactive power of capacitor and reactor, electric current.
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| JP6829158B2 (en) * | 2017-07-18 | 2021-02-10 | 株式会社東芝 | Data processing equipment, data processing methods, and programs |
| CN107561383B (en) * | 2017-08-25 | 2019-09-06 | 国网山东省电力公司潍坊供电公司 | A kind of static automatic testing method of telemetry and system based on time conclusion |
| CN110889538B (en) * | 2019-10-31 | 2022-05-06 | 贵州电网有限责任公司 | Power communication network resource optimization method for scheduling monitoring service |
| CN111523079A (en) * | 2020-04-29 | 2020-08-11 | 广西电网有限责任公司河池宜州供电局 | Method for improving and self-checking load report of dispatching automation system |
| CN111987800A (en) * | 2020-08-19 | 2020-11-24 | 贵州电网有限责任公司 | Remote centralized state evaluation system and evaluation method of ice melting device |
| CN112564276B (en) * | 2020-11-25 | 2023-03-28 | 广西电网有限责任公司防城港供电局 | Method for improving accuracy of telemetering data of dispatching automation system |
| CN115603461B (en) * | 2022-10-25 | 2023-09-05 | 国网黑龙江省电力有限公司电力科学研究院 | Checking and checking system for monitoring information of stock transformer substation |
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| CN101989938A (en) * | 2009-08-04 | 2011-03-23 | 上海市电力公司 | Filtration system and method of mis-telecommand scheduling end of transformer substation |
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| CN101989938A (en) * | 2009-08-04 | 2011-03-23 | 上海市电力公司 | Filtration system and method of mis-telecommand scheduling end of transformer substation |
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