CN107749667A - A kind of method of real-time of intelligent substation protection pressing plate information and state - Google Patents
A kind of method of real-time of intelligent substation protection pressing plate information and state Download PDFInfo
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- CN107749667A CN107749667A CN201711050294.9A CN201711050294A CN107749667A CN 107749667 A CN107749667 A CN 107749667A CN 201711050294 A CN201711050294 A CN 201711050294A CN 107749667 A CN107749667 A CN 107749667A
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- pressing plate
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/16—Electric power substations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of method of real-time of intelligent substation protection pressing plate information and state, is related to equipment monitoring and maintenance technical field.The present invention is to solve the acquisition of existing pressing plate state, check and check not directly perceived, the problem of causing pressing plate mistake to find in time.The present invention first, gathers the pressing plate information in transformer station, the pressing plate information of collection is sent to data processing unit by communication network;Then, classification and ordination is carried out to the fault type of relay protection using sequence pattern, and extracts the fusion feature value of each fault type;Finally, pressing plate information and fusion feature value are contrasted, if pressing plate information is identical with fusion feature value, transformer station is in malfunction, if pressing plate information is different from fusion feature value, transformer station is in normal condition.When transformer station is in malfunction, fault incidence is determined by correlation rule.The method of the invention can realize remotely monitor, meet the needs of different in the application of station end, and can.
Description
Technical field
The invention belongs to equipment monitoring and maintenance technical field.
Background technology
Developing with the expansion of power network scale, the informationization of equipment maintenance work, intelligent level are largely increased, but
Also directly mix increasingly sophisticated, personnel amount facing to operational outfit rapid growth, friendship and increase limited challenge.Pressing plate switching is grasped
Make, the verification property work such as inspection of pressing plate periodic location, be required to that after arriving at substation field by transporting inspection personnel work could be carried out
Make, high to the degree of dependence of personnel, existing technological means can not meet live operational management real time implementation, intelligentized need
Ask.It is embodied in:
Rely on artificial O&M, poor reliability.For a long time, the monitoring work of relay-protection pressing plate state is mainly transported by power transformation
Dimension personnel strengthen live operation management in real work, prevent from throwing because of the mistake of protection pressing plate and move back initiation equipment breakdown.Such as
Tagged state label and protection name label below protection pressing plate, will protect the guarantor of pressing plate and definite value advice note in each transformer station
Shield title is checked and checked, and these measures can reduce the number of maloperation, but its anti-error effect to a certain extent
There is a certain limitation, and the features such as due to protection pressing plate integrated plyability in the highly dense in layout, functionally, very
Easily there is inspection careless omission and operating mistake, once pressing plate running status mistake and not discovery in time, will result in false protection
Or tripping.Tutelage statistics in recent years shows that artificial miscarrying is moved back, leaks and throw the accident percentage that surrender shield pressing plate triggers
Than still very high, and caused by lose it is also more serious.
The content of the invention
The present invention is to solve the acquisition of existing pressing plate state, check and check not directly perceived, cause pressing plate mistake can not
The problem of finding in time, now provide a kind of method of real-time of intelligent substation protection pressing plate information and state.
A kind of method of real-time of intelligent substation protection pressing plate information and state, comprises the following steps:
Data acquisition and transmitting step:
Gather the pressing plate information in transformer station;
The pressing plate information includes:Service data, operation of power networks data, relaying configuration situation and the protection of protection equipment are firmly
The positional information of pressing plate;
Wherein, the service data of protection equipment includes real time data and historical data, and operation of power networks data include number in real time
According to and historical data;
Data processing step:
Classification and ordination is carried out to the fault type of relay protection using sequence pattern, and extracts the fusion of each fault type
Characteristic value,
Pressing plate information and fusion feature value are contrasted, if pressing plate information is identical with fusion feature value, at transformer station
In malfunction, if pressing plate information is different from fusion feature value, transformer station is in normal condition.
When transformer station is in malfunction, fault incidence is determined by correlation rule.
The specific method for extracting the fusion feature value of each fault type is:
First, the characteristic value of every kind of fault type is extracted,
Then, the subitem information of each characteristic value is excavated using clustering algorithm and sorting algorithm,
Finally, the characteristic value of identical description and same concept is merged according to subitem information, obtains fusion feature value.
The specific method of pressing plate information in collection transformer station is:
Configure O&M substation in intelligent substation, the O&M substation as end of standing data collection station, stand in data
Collect the work station of visualized O&M in center and station,
Utilize the service data of the protection equipment of the integrated monitoring background acquisition intelligent substation of intelligent substation, power network
Service data and relaying configuration situation, and sent by transregional safety insulating device to O&M substation,
The positional information of hard pressing plate is protected using the collection of state acquisition device, the positional information for protecting hard pressing plate is passed through into intelligence
Error-proof device is sent to O&M substation,
Data communication network is established in O&M substation, and prefecture-level company and operation work area work station can pass through the data communication network
Network browses the service data of the protection equipment of intelligent substation, operation of power networks data, relaying configuration situation and the hard pressing plate of protection
Positional information,
Prefecture-level company and operation work area work station can also gather the protection of intelligent substation by the data communication network
Service data, operation of power networks data, relaying configuration situation and the positional information for protecting hard pressing plate of equipment, and send to comprehensive and answer
Use server.
The specific method of the positional information of hard pressing plate is protected to be using the collection of state acquisition device:
The input of hard pressing plate is protected using the collection of guide tracked sensor or exits state, and guide tracked sensor passes through monobus
Mode by the input for protecting hard pressing plate or exit state and send into state acquisition device, as the position letter for protecting hard pressing plate
Breath.
The present invention not only realizes the real-time of pressing plate state by the real-time acquisition of pressing plate state and automatic comparison, operation maintenance personnel
Grasp, pressing plate is also compared to the automatic inspection for being changed into automation by time-consuming artificial reinspection, checks that used time from a few hours reduce
For several minutes, operating efficiency is improved significantly;Meanwhile also ensure the complete exhaustive for checking work;Effectively reduce because
Equipment caused by maloperation or pressing plate state are incorrect is stopped transport and power grid accident.The method of the invention can be applied at station end,
And can realizes remotely monitor, meets the needs of different.
Brief description of the drawings
Fig. 1 is the data acquisition flow schematic diagram of intelligent substation.
Embodiment
Embodiment one:Described in present embodiment a kind of intelligent substation protection pressing plate information and state it is real-time
Monitoring method, comprise the following steps:
Data acquisition and transmitting step:The pressing plate information in transformer station is gathered, the pressing plate information of collection is passed through into communication network
Network is sent to data processing unit;The pressing plate information includes soft pressing plate information and protects the positional information of hard pressing plate, described soft
Pressing plate information includes service data, operation of power networks data and the relaying configuration situation (information such as fixation, soft pressing plate) of protection equipment;
Wherein, the service data of protection equipment includes real time data and historical data, and operation of power networks data include real time data and history
Data;
Data processing step:Data processing unit carries out classification row using sequence pattern to the fault type of relay protection
Sequence, the fusion feature value of fault type is then extracted by the dependence between first and second equipment, will collect and carried out data
The pressing plate information of identification and Data Summary (including:Pressing plate throw move back, method of operation requirement, communication state and positional information etc.) with
Fusion feature value is compared, if pressing plate information is identical with fusion feature value, transformer station is in malfunction, if pressing plate information
Different from fusion feature value, then transformer station is in normal condition.
Data acquisition and transmitting step can also be realized from primary input, realize substation operation code, protection pressing plate dictionary,
The input of pressing plate Typical Disposition and knowledge services information.Different functions can be customized according to the information of input.
Embodiment two:Present embodiment is to protect pressure to a kind of intelligent substation described in embodiment one
The method of real-time of plate information and state is described further, and in present embodiment, is judging that transformer station is in failure shape
After state, fault incidence is determined by the correlation rule of relay protective scheme relation.
Embodiment three:Present embodiment is to protect pressure to a kind of intelligent substation described in embodiment one
The method of real-time of plate information and state is described further, in present embodiment, due to protection type and failure cause compared with
It is more, to ensure system operating efficiency, the subitem information of characteristic value is excavated using clustering algorithm and sorting algorithm, to fault message
Characteristic value integrate and portrayed, and the characteristic value of identical description and same concept is merged, particularly melting between polysemant
Close, on the premise of extraction characteristic value comprehensively, identical information is merged as far as possible, the characteristic value after being merged, ensured
Data comparison computational efficiency.
Embodiment four:Reference picture 1 illustrates present embodiment, and present embodiment is to embodiment one
A kind of described intelligent substation protection pressing plate information and the method for real-time of state are described further, present embodiment
In, the specific method for gathering the pressing plate information in transformer station is:
Configure O&M substation in intelligent substation, the O&M substation as end of standing data collection station, stand in data
Collect the work station of visualized O&M in center and station,
Transported using the protection equipment service data of the integrated monitoring background acquisition intelligent substation of intelligent substation, power network
Row data and relaying configuration situation, then sent by transregional safety insulating device to O&M substation,
The positional information of hard pressing plate is protected using the collection of state acquisition device, the positional information for protecting hard pressing plate is passed through into intelligence
Error-proof device is sent to O&M substation,
Data communication network is established in O&M substation, and prefecture-level company and operation work area work station can pass through the data communication network
Network browses protection equipment service data, operation of power networks data, relaying configuration situation and the position for protecting hard pressing plate of intelligent substation
Confidence is ceased, and prefecture-level company and operation work area work station can also be set by the protection of data communication network collection intelligent substation
Standby service data, operation of power networks data, relaying configuration situation and the positional information for protecting hard pressing plate, and send to integrated application and take
Business device.
Production control cloud communication data private network of the present embodiment based on newly-built work area and transformer station realizes status data
Collection.O&M substation is configured in transformer station as tidal data recovering center in the data collection station at station end and station, and can
As the work station of visualized O&M in transformer station, independent of dispatch data net, can be protected with newly-built special data communication network
The independence of card system, facilitates O&M.
Intelligent error preventing device is used for the centralized management of secondary equipment of intelligent converting station, and the station level as intelligent substation is set
It is standby, process-level network is respectively connected to by Ethernet and gathers secondary device state and station level network by secondary device status information
Big data storage and processing platform are delivered to by telemechanical communicator, carry out the application of next step.
O&M establishes data communication network on substation, is browsed for prefecture-level company, operation work area work station, realizes the remote of pressing plate
Journey is checked and checked.Pressing plate status data is sent to the integrated application server of prefecture-level company simultaneously, with realize comprehensive assessment,
The advanced application functions such as diagnosis.
Embodiment five:Present embodiment is to protect pressure to a kind of intelligent substation described in embodiment four
The method of real-time of plate information and state is described further, in present embodiment,
The specific method of the positional information of hard pressing plate is protected to be using the collection of state acquisition device:
The input of hard pressing plate is protected using the collection of guide tracked sensor or exits state, and guide tracked sensor passes through monobus
Mode by the input for protecting hard pressing plate or exit state and send into state acquisition device, as the position letter for protecting hard pressing plate
Breath.
In present embodiment, one group of guide tracked sensor includes a rail module and multiple sensing annexes, multiple sensings
Annex is installed on the hard pressing plate handle of difference on same row respectively, and rail module is adopted to be also secured in the method for paste
Above or below the same hard pressing plate of row.
Using the infrared emission principle of induction of non electrical quantity, when any hard pressing plate is in " input " or " exiting " state, lead
Rail module can receive the infrared emission signal that the sensing annex on different hard pressing plates is sent.One group of guide tracked sensor
Can be achieved to the state-detection of row's equipment, one group of rail module can at most support the detection of the hard pressing plate of a row 12, and not by
Quantity, effect of distance;Sensor assembly is set in rail module to be configured and be slided according to the quantity and position of equipment.Guide rail
Formula sensor sensing annex uses different sensing annexes according to device type and structure type, realizes the inspection to equipment state
Survey.
State acquisition device is used for intelligent substation, realizes to being spaced apart the concentrated collection with pressing plate state on intelligent cabinet, passes through
The mode of monobus communicates with guide tracked sensor, and state acquisition device includes two-way optical fiber interface, access procedure layer switch, adopts
It will be sent with GOOSE communication protocols in status information.
Claims (5)
1. the method for real-time of a kind of intelligent substation protection pressing plate information and state, it is characterised in that comprise the following steps:
Data acquisition and transmitting step:
Gather the pressing plate information in transformer station;
The pressing plate information includes:Service data, operation of power networks data, relaying configuration situation and the hard pressing plate of protection of protection equipment
Positional information;Wherein, the service data of protection equipment includes real time data and historical data, and operation of power networks data include real-time
Data and historical data;
Data processing step:
Classification and ordination is carried out to the fault type of relay protection using sequence pattern, and extracts the fusion feature of each fault type
Value,
Pressing plate information and fusion feature value are contrasted, if pressing plate information is identical with fusion feature value, transformer station is in event
Barrier state, if pressing plate information is different from fusion feature value, transformer station is in normal condition.
2. the method for real-time of a kind of intelligent substation protection pressing plate information according to claim 1 and state, it is special
Sign is, when transformer station is in malfunction, fault incidence is determined by correlation rule.
3. the method for real-time of a kind of intelligent substation protection pressing plate information according to claim 1 and state, it is special
Sign is that the specific method for extracting the fusion feature value of each fault type is:
First, the characteristic value of every kind of fault type is extracted,
Then, the subitem information of each characteristic value is excavated using clustering algorithm and sorting algorithm,
Finally, the characteristic value of identical description and same concept is merged according to subitem information, obtains fusion feature value.
4. the method for real-time of a kind of intelligent substation protection pressing plate information according to claim 1 and state, it is special
Sign is that the specific method for gathering the pressing plate information in transformer station is:
Configure O&M substation in intelligent substation, the O&M substation as end of standing data collection station, stand in tidal data recovering
The work station of visualized O&M in center and station,
Utilize the service data of the protection equipment of the integrated monitoring background acquisition intelligent substation of intelligent substation, operation of power networks
Data and relaying configuration situation, and sent by transregional safety insulating device to O&M substation,
The positional information of hard pressing plate is protected using the collection of state acquisition device, the positional information for protecting hard pressing plate is passed through into intelligent error preventing
Device is sent to O&M substation,
Data communication network is established in O&M substation, and prefecture-level company and operation work area work station can be clear by the data communication network
Look at the position of the service data of protection equipment of intelligent substation, operation of power networks data, relaying configuration situation and the hard pressing plate of protection
Information, prefecture-level company and operation work area work station can also gather the protection equipment of intelligent substation by the data communication network
Service data, operation of power networks data, the positional information of relaying configuration situation and the hard pressing plate of protection, and send to integrated application and take
Business device.
5. the method for real-time of a kind of intelligent substation protection pressing plate information according to claim 4 and state, it is special
Sign is that the specific method using the positional information of the hard pressing plate of state acquisition device collection protection is:
The input of hard pressing plate is protected using the collection of guide tracked sensor or exits state, the side that guide tracked sensor passes through monobus
Formula is by the input for protecting hard pressing plate or exits state and sends into state acquisition device, as the positional information for protecting hard pressing plate.
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108596445A (en) * | 2018-04-03 | 2018-09-28 | 国网江苏省电力有限公司检修分公司 | Intelligent substation relay-protection pressing plate status assessing system |
CN109412274A (en) * | 2018-12-26 | 2019-03-01 | 国网辽宁省电力有限公司盘锦供电公司 | Protect pressing plate realtime on-line monitoring method |
CN109450100A (en) * | 2018-12-21 | 2019-03-08 | 长园深瑞继保自动化有限公司 | The not corresponding method of one secondary device of monitoring intelligent substation |
CN109450103A (en) * | 2019-01-04 | 2019-03-08 | 国家电网有限公司 | Condition detection method, device and the intelligent terminal of pressing plate |
CN110048508A (en) * | 2019-04-10 | 2019-07-23 | 国网浙江省电力有限公司检修分公司 | Substation's pressing plate remote monitoring system for status |
CN110492609A (en) * | 2019-08-07 | 2019-11-22 | 国网河北省电力有限公司 | A kind of transforming plant protecting hard pressing plate remote monitoring system |
CN110675397A (en) * | 2019-10-14 | 2020-01-10 | 国网山东省电力公司泰安供电公司 | Transformer substation protection pressing plate state checking method |
CN111884347A (en) * | 2020-08-28 | 2020-11-03 | 国网山东省电力公司郯城县供电公司 | Power data centralized control system for multi-source power information fusion |
CN112085043A (en) * | 2019-06-14 | 2020-12-15 | 中国科学院沈阳自动化研究所 | Intelligent monitoring method and system for network security of transformer substation |
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CN108596445A (en) * | 2018-04-03 | 2018-09-28 | 国网江苏省电力有限公司检修分公司 | Intelligent substation relay-protection pressing plate status assessing system |
CN109450100A (en) * | 2018-12-21 | 2019-03-08 | 长园深瑞继保自动化有限公司 | The not corresponding method of one secondary device of monitoring intelligent substation |
CN109412274A (en) * | 2018-12-26 | 2019-03-01 | 国网辽宁省电力有限公司盘锦供电公司 | Protect pressing plate realtime on-line monitoring method |
CN109450103A (en) * | 2019-01-04 | 2019-03-08 | 国家电网有限公司 | Condition detection method, device and the intelligent terminal of pressing plate |
CN110048508A (en) * | 2019-04-10 | 2019-07-23 | 国网浙江省电力有限公司检修分公司 | Substation's pressing plate remote monitoring system for status |
CN112085043A (en) * | 2019-06-14 | 2020-12-15 | 中国科学院沈阳自动化研究所 | Intelligent monitoring method and system for network security of transformer substation |
CN112085043B (en) * | 2019-06-14 | 2023-07-25 | 中国科学院沈阳自动化研究所 | Intelligent monitoring method and system for network security of transformer substation |
CN110492609A (en) * | 2019-08-07 | 2019-11-22 | 国网河北省电力有限公司 | A kind of transforming plant protecting hard pressing plate remote monitoring system |
CN110675397A (en) * | 2019-10-14 | 2020-01-10 | 国网山东省电力公司泰安供电公司 | Transformer substation protection pressing plate state checking method |
CN110675397B (en) * | 2019-10-14 | 2023-03-28 | 国网山东省电力公司泰安供电公司 | Transformer substation protection pressing plate state checking method |
CN111884347A (en) * | 2020-08-28 | 2020-11-03 | 国网山东省电力公司郯城县供电公司 | Power data centralized control system for multi-source power information fusion |
CN111884347B (en) * | 2020-08-28 | 2021-07-13 | 国网山东省电力公司郯城县供电公司 | Power data centralized control system for multi-source power information fusion |
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