CN106558917A - A kind of secondary operational system protective relaying device inspection method - Google Patents
A kind of secondary operational system protective relaying device inspection method Download PDFInfo
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- CN106558917A CN106558917A CN201611089524.8A CN201611089524A CN106558917A CN 106558917 A CN106558917 A CN 106558917A CN 201611089524 A CN201611089524 A CN 201611089524A CN 106558917 A CN106558917 A CN 106558917A
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- 238000007689 inspection Methods 0.000 title claims abstract description 116
- 230000001681 protective effect Effects 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 230000004224 protection Effects 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 239000011800 void material Substances 0.000 claims description 6
- 230000014509 gene expression Effects 0.000 claims 1
- 210000004247 hand Anatomy 0.000 claims 1
- 238000004088 simulation Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
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Classifications
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- H02J13/0006—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
- G06Q50/06—Electricity, gas or water supply
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/20—Checking timed patrols, e.g. of watchman
-
- 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
-
- 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
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
A kind of secondary operational system protective relaying device inspection method, comprises the steps：Protective relaying device normal condition experts database is defined in secondary O＆M main website, and standard value file is generated according to experts database；Strategy is maked an inspection tour according to the demand of tour, configuration by secondary O＆M main website, generates and makes an inspection tour strategy file；Secondary O＆M main website issues standard value file to secondary O＆M substation and makes an inspection tour strategy file；Secondary O＆M substation carries out tour comparison according to strategy file and standard value file is maked an inspection tour to protective relaying device, generates and makes an inspection tour report file, and returns to secondary O＆M main website by abnormal resulties are maked an inspection tour；Report file is maked an inspection tour according to abnormal resulties' calling is maked an inspection tour by secondary O＆M main website.Tour task is handed down to secondary O＆M substation and goes to perform by the protective relaying device inspection method that the present invention is provided, and can be reduced secondary O＆M main website burden, be substantially increased tour efficiency.
Description
Technical field
The invention belongs to relay protection of power system O＆M service technique field, and in particular in a kind of secondary operational system
Protective relaying device inspection method.
Background technology
With the popularization and the fast growth of substation relay protection device of Unattended substation, traditional protection is maked an inspection tour and fixed
The problem that inspection work is present just progressively manifests with difficult, brings not enough maintenance, maintenance surplus, keeps in repair in advance, keeps in repair delayed, blindness
The hidden danger such as maintenance.Existing transmission and maintenance model should progressively to the remote online diagnosis transformation of actual operating mode, to foundation
Equipment health status targetedly carry out inspection transformation, in view of power transmission and transformation enterprise O＆M, maintenance workload are big at present, efficiency
On the premise of low, maintenance cost is high, according to unified data transmission specification by communication network by the panoramic information of Microcomputer Protection
The online management central control unit being aggregated in transformer station, and data are analyzed, are processed, by information remote transmitting to scheduling two
Secondary O＆M main website end, and intelligence inquiry or intelligent diagnostics correlation function are provided.Live relay is protected so as to reduce operation maintenance personnel
The tour frequency of protection unit, improves the fine-grained management level of equipment.Relay protection long-range intelligence service technique has revolution
The meaning of property.
Be the online O＆M function of protective relaying device to be realized at secondary O＆M main website end, need periodical inspection relay protection
Whether the parameter and running status of device be normal.Simultaneously in order to reduce the quantity of information of communication, reduce complexity and mitigate secondary fortune
Main tour work is preferably placed on secondary O＆M substation end, is realized by secondary O＆M substation by the workload at dimension main website end
Actual tour to protective relaying device, and secondary O＆M main website is returned to by abnormal resulties are maked an inspection tour.With secondary O＆M main website end
The pattern for undertaking actual tour is compared, and this pattern is also avoided that some shortcomings of boss IEC103 station stipulations, secondary O＆M substation
Can be according to the various data of actual access protocol substantially acquisition device.
The content of the invention
Based on above-mentioned background, efficiency is maked an inspection tour in order to improve protective relaying device, the present invention proposes a kind of secondary operational system
Protective relaying device inspection method, the method by secondary O＆M main website define protective relaying device normal condition experts database,
Strategy is maked an inspection tour in configuration, and is generated standard value file and maked an inspection tour strategy file and be handed down to secondary O＆M substation, secondary O＆M substation according to
Periodical inspection is carried out according to standard value file and tour strategy file, is generated and is maked an inspection tour report, and master is sent to by abnormal resulties are maked an inspection tour
Stand；Report is maked an inspection tour to the calling of secondary O＆M substation according to abnormal resulties are maked an inspection tour by secondary O＆M main website.
Secondary operational system protective relaying device inspection method is comprised the steps of：
Step (1)：Protective relaying device normal condition experts database, normal condition experts database are defined at secondary O＆M main website end
The various standard values being configured with protective relaying device normal condition, the secondary O＆M main website can derive multiple relay protections
Various standard values under device normal condition simultaneously generate the standard value file of agreement form, and each standard value file includes one
Or the standard value of multiple protective relaying devices；
Step (2)：Secondary O＆M main website configures tour strategy according to demand, and generates tour strategy file；Make an inspection tour strategy
Content include patrol mode, inspection device and make an inspection tour data type, wherein patrol mode include single triggering immediately make an inspection tour and
Cycle makes an inspection tour both of which；
Step (3)：Standard value file and tour strategy file are handed down to secondary O＆M substation by secondary O＆M main website；
Step (4)：Secondary O＆M substation according to make an inspection tour strategy file and standard value file automatically periodically in transformer station after
Electrical protective device is maked an inspection tour, and after the completion of tour, is returned to secondary O＆M main website and is maked an inspection tour abnormal resulties；
Step (5)：After secondary O＆M main website receives the tour abnormal resulties of secondary O＆M substation, called by general file
Mode call detailed tour report to secondary O＆M substation.
Further, in the step (1), the standard value in normal condition experts database includes definite value, definite value area, soft pressure
Plate, hard pressing plate, analog quantity, quantity of state, clock；Wherein, numeraire value includes the standard value definition of definite value and control word, state
Amount standard value includes the quantity of state of the little switch of handle, on and off switch, PT.Further, in the step (3), secondary O＆M master
Is stood and standard value file is handed down to secondary O＆M substation, if standard value text is issued during secondary O＆M substation is maked an inspection tour
Part, then secondary O＆M main website first inform that secondary O＆M substation stops making an inspection tour, then issue standard value file, secondary O＆M substation connects
After receiving standard value file, the secondary O＆M substation of secondary O＆M main website notice recovers to make an inspection tour.
If secondary O＆M substation receives new standard value file during making an inspection tour, stop current tour immediately,
Again make an inspection tour according to new standard value file；If secondary O＆M substation receives new tour strategy file during making an inspection tour
When, then patrolled according still further to the tour strategy file for newly receiving next time after the completion of not stopping current tour, and current tour
Depending on.
Further, in the step (4), two imaginary points are extended in the void device of secondary O＆M substation：Title is fixed as
" tour is completed<It is without exception>" and " tour is completed<There is exception>", when secondary O＆M substation is completed in tour, to secondary O＆M
Main website sends the displacement information of one of this two signals, the time that the displacement time therein then directly fills up a document in name.
The controllable imaginary point of secondary O＆M substation void device extension " tour pressing plate ", dtd--data type definition are identified for two point；For 2
Mark represents and makes an inspection tour, and is that 1 mark is represented, secondary O＆M substation starts to make an inspection tour informs and making an inspection tour, and makes an inspection tour
Inform after finishing.
Relative to prior art, the present invention has following beneficial technique effect：
Main tour work is placed on into secondary O＆M substation end, is realized to protective relaying device by secondary O＆M substation
Actual tour, and return to secondary O＆M main website by abnormal resulties are maked an inspection tour, this protective relaying device inspection method can be in time
It was found that becoming station end protective relaying device operation exception phenomenon, to the maintenance of protective relaying device O＆M there is provided effective foundation, more have
Beneficial to guarantee protective relaying device safe and stable operation.
Description of the drawings
Fig. 1 is secondary operational system protective relaying device inspection method flow chart of the invention.
Specific embodiment
Below with reference to accompanying drawing, the present invention is described in further detail.
With reference to Fig. 1, Fig. 1 show protective relaying device and makes an inspection tour flow chart, comprises the steps：Step 1：Secondary O＆M master
Stand firm adopted protective relaying device normal condition experts database, and standard value file is generated according to experts database；
In above-mentioned steps 1, secondary O＆M main website needs the protective relaying device normal condition experts database of definition, including definition
Relay protection device constant value, definite value area, soft pressing plate, hard pressing plate, analog quantity, quantity of state under normal condition etc..Wherein definite value bag
Control word is included, quantity of state includes the special state amount such as general state amount and the little switch of handle, on and off switch, PT；
Above-mentioned normal condition experts database, support export to standard value file, and single standard value file can include one or many
The standard value definition of individual protective relaying device；
The name form of above-mentioned standard value file is " refrencevalue_20160510083147.rval ", wherein
The generation time of " 20160510083147 " for standard value file.
The standard value file format is as follows：
Above-mentioned standard value file be divided into "<System>”、“<Zone>”、“<Setting>”、“<Softplate>”、“<
Hardplate>”、“<Alalog>”、“<Discrete>”、“<Clock>" etc. field, wherein "<System>" segment description standard
The summary info of value file, "<Zone>”、“<Setting>”、“<Softplate>”、“<Hardplate>”、“<Alalog>”、
“<Discrete>”、“<Clock>" etc. the detailed standard value of all kinds of parameters of segment description and value.
Step 2：Strategy is maked an inspection tour according to the demand of tour, configuration by secondary O＆M main website, is formed and makes an inspection tour strategy file；
In above-mentioned steps 2, the letters such as the data type of pattern, the device maked an inspection tour and tour that tactful definable is maked an inspection tour are maked an inspection tour
Breath.Patrol mode includes：Single triggering is maked an inspection tour immediately, the cycle makes an inspection tour, and the data type of tour includes determining for protective relaying device
Value, definite value area, soft pressing plate, hard pressing plate, analog quantity, quantity of state, clock：
The name form of above-mentioned strategy file is " checkstrategy_20160510083147.cstr ", wherein
The generation time of " 20160510083147 " for strategy file.
In the present embodiment, the file format of the tour strategy is：
Wherein "<System>" for the summary info of strategy file, "<Ied>" section for device tour strategy.
Step 3：Secondary O＆M main website issues standard value file to secondary O＆M substation and makes an inspection tour strategy file；
In above-mentioned steps 3, secondary O＆M main website issues the standard value file under current definite value area in the way of triggering and patrols
Depending on strategy file；
Standard value file is handed down to secondary O＆M substation by secondary O＆M main website, if the mistake maked an inspection tour in secondary O＆M substation
Standard value file is issued in journey, then secondary O＆M main website first informs that secondary O＆M substation stops making an inspection tour, and then issues standard value text
Part, after secondary O＆M substation receives standard value file, the secondary O＆M substation of secondary O＆M main website notice recovers to make an inspection tour.
If secondary O＆M substation receives new standard value file during making an inspection tour, stop current tour immediately,
Again make an inspection tour according to new standard value file；If secondary O＆M substation receives new tour strategy file during making an inspection tour
When, then patrolled according still further to the tour strategy file for newly receiving next time after the completion of not stopping current tour, and current tour
Depending on.
Step 4：Secondary O＆M substation is maked an inspection tour automatically according to strategy and standard value file is maked an inspection tour, and generates and makes an inspection tour report text
Part, and return tour abnormal resulties；
In above-mentioned steps 4, secondary O＆M substation is periodically filled to relay protection in station automatically according to tactful and standard value is maked an inspection tour
Put and maked an inspection tour, the value of protective relaying device and standard value are compared, so as to judging the parameter of protective relaying device, surveying
Whether amount loop etc. is correct.The wherein main value type maked an inspection tour, inspection method are as shown in the table：
Table 1
In the present embodiment, it is described to make an inspection tour the tour abnormal resulties that report file describes protective relaying device, its file
Name is defined as " checkreport_20160510083325377.crpt ", wherein " 20160510083325377 " are report life
Into time (being accurate to millisecond).
The tour report file form is defined as follows：
In the present embodiment, the secondary O＆M substation void device extends two imaginary points：Title is fixed as that " tour is completed
(without exception) ", " tour is completed (have exception) ", secondary O＆M substation when tour is completed, to secondary O＆M main website send this two
The displacement information (value is changed into 2 from 1) of one of individual signal, it is the time that the displacement time therein then directly fills up a document in name, convenient
Report file is maked an inspection tour in secondary O＆M main website calling.
In the present embodiment, the controllable imaginary point of secondary O＆M substation void device extension " tour pressing plate ", is 2 (two points)
Mark is maked an inspection tour, and is that 1 mark is not being maked an inspection tour.Secondary O＆M substation starts to make an inspection tour informs and is making an inspection tour, and tour is accused after finishing
Know.
Step 5：Report is maked an inspection tour according to abnormal resulties, calling is maked an inspection tour by secondary O＆M main website.
In above-mentioned steps 5, after receiving the tour abnormal resulties of secondary O＆M substation, can be by way of general file be called
Detailed tour report is called to secondary O＆M substation.
In the present embodiment, the file for filling under the needs and calling mainly includes standard value file (* .rval), strategy
The lower dress of file (* .cstr), makes an inspection tour record (* .crec), makes an inspection tour the calling of report (* .crpt).Pass through extension name in calling
Called.Using newest standard value file, strategy file can be determined by document time.Standard value file and tour plan
Slightly file comes into force after issuing.If secondary O＆M substation receives new standard value file during making an inspection tour, immediately
Stop current tour, maked an inspection tour according to new standard again.If receiving new Strategy Auto file, current tour can be completed,
Hereafter maked an inspection tour according still further to new Strategy Auto.
In the present embodiment, the character modules analog quantity makes an inspection tour such as temperature, CPU usage, memory usage etc., and plan adopts mould
The mode sent in analog quantity change actively is realized sending in the analog quantity at station end, and boss IEC103 station stipulations need extension, using extension
ASDU10 data forms：
The ASDU10 Frames sent in failure amount, this active of analog quantity delta data, can only be by IEC103 stipulations
Universal classification group number making a distinction.
In the present embodiment, the clock is maked an inspection tour：Could verify only after protection information is received, in no GPS etc. the 3rd
In the case of square time service source, boss stand between by during stipulations message pair realizing during the secondary O＆M substation pair of O＆M.
In the present embodiment, the clock is maked an inspection tour, due to state net boss IEC103 station stipulations calling class data all without when
Mark, therefore the present clock of protective relaying device cannot be obtained by calling, therefore passive tour can only be carried out.When receiving
(such as event, alarm, remote signalling displacement, record ripple bulletin etc.), secondary O＆M master during the band sent on protective relaying device during target message
The difference of the protective relaying device markers and secondary O＆M main website present system time stood in contrast message, when difference is beyond regulation
Protective relaying device clock exception is thought during scope, is alerted.
For all adopting between secondary O＆M main website and secondary O＆M substation and secondary O＆M substation and protective relaying device
With the situation of IEC61850 stipulations, target when can be band due to the message called, therefore can realize actively making an inspection tour.
Claims (7)
1. a kind of secondary operational system protective relaying device inspection method, it is characterised in that：
Make an inspection tour strategy by protective relaying device normal condition experts database, configuration being defined in secondary O＆M main website, and generate standard
Value file and tour strategy file are handed down to secondary O＆M substation, secondary O＆M substation establishing criteria value file and tour strategy text
Part carries out periodical inspection, generates and makes an inspection tour report, and is sent to main website by abnormal resulties are maked an inspection tour；Secondary O＆M main website is different according to making an inspection tour
Often result makes an inspection tour report to the calling of secondary O＆M substation.
2. secondary operational system protective relaying device inspection method according to claim 1, it is characterised in that methods described
Comprise the steps of：
Step (1)：Protective relaying device normal condition experts database, the configuration of normal condition experts database are defined at secondary O＆M main website end
Various standard values under protective relaying device normal condition, the secondary O＆M main website can derive multiple protective relaying devices
Various standard values under normal condition simultaneously generate the standard value file of agreement form, and each standard value file includes one or many
The standard value of individual protective relaying device；
Step (2)：Secondary O＆M main website configures tour strategy according to demand, and generates tour strategy file；Make an inspection tour the interior of strategy
Appearance includes patrol mode, inspection device and makes an inspection tour data type, and wherein patrol mode includes that single triggering is maked an inspection tour and the cycle immediately
Make an inspection tour both of which；
Step (3)：Standard value file and tour strategy file are handed down to secondary O＆M substation by secondary O＆M main website；
Step (4)：Secondary O＆M substation is periodically protected to relay in transformer station automatically according to tour strategy file and standard value file
Protection unit is maked an inspection tour, and after the completion of tour, is returned to secondary O＆M main website and is maked an inspection tour abnormal resulties；
Step (5)：After secondary O＆M main website receives the tour abnormal resulties of secondary O＆M substation, the side called by general file
Formula calls detailed tour report to secondary O＆M substation.
3. secondary operational system protective relaying device inspection method according to claim 2, it is characterised in that：
In the step (1), the standard value in normal condition experts database includes definite value, definite value area, soft pressing plate, hard pressing plate, simulation
Amount, quantity of state, clock；Wherein, numeraire value includes the standard value definition of definite value and control word, and quantity of state standard value includes handle
The quantity of state of the little switch of handss, on and off switch, PT.
4. secondary operational system protective relaying device inspection method according to claim 2, it is characterised in that：
In the step (3), standard value file is handed down to secondary O＆M substation by secondary O＆M main website, if in secondary O＆M
Stand and issue standard value file during tour, then secondary O＆M main website first informs that secondary O＆M substation stops making an inspection tour, then under
Standard value file is sent out, after secondary O＆M substation receives standard value file, the secondary O＆M substation of secondary O＆M main website notice recovers to patrol
Depending on.
5. secondary operational system protective relaying device inspection method according to claim 4, it is characterised in that：
If secondary O＆M substation receives new standard value file during making an inspection tour, stop current tour immediately, according to
New standard value file is maked an inspection tour again；If secondary O＆M substation receives new tour strategy file during making an inspection tour,
Maked an inspection tour according still further to the tour strategy file for newly receiving next time after the completion of then not stopping current tour, and current tour.
6. secondary operational system protective relaying device inspection method according to claim 2, it is characterised in that：
In the step (4), two imaginary points are extended in the void device of secondary O＆M substation：Title is fixed as that " tour is completed<It is as good as
Often>" and " tour is completed<There is exception>", when secondary O＆M substation is completed in tour, this two are sent to secondary O＆M main website
The displacement information of one of signal.
7. secondary operational system protective relaying device inspection method according to claim 6, it is characterised in that：
In the step (4), in the controllable imaginary point of secondary O＆M substation void device extension " tour pressing plate ", dtd--data type definition is
Two point is identified；" tour pressing plate " controllable imaginary point data are that 2 mark expressions are maked an inspection tour, and are that 1 mark is represented not in tour, secondary fortune
Dimension substation starts to make an inspection tour informs and is making an inspection tour, and tour is informed after finishing.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107390604A (en) * | 2017-07-10 | 2017-11-24 | 国网浙江省电力公司温州供电公司 | The inspection method and system of unattended operation transformer station electrical secondary system novel maintenance |
| CN107749667A (en) * | 2017-10-31 | 2018-03-02 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of method of real-time of intelligent substation protection pressing plate information and state |
| CN107843785A (en) * | 2017-10-31 | 2018-03-27 | 国网黑龙江省电力有限公司电力科学研究院 | A kind of method of real-time of conventional substation protection pressing plate information and state |
| CN109088477A (en) * | 2018-09-06 | 2018-12-25 | 中国南方电网有限责任公司 | A kind of intelligent oscillograph administrative unit modeling method based on intelligent O&M comprehensive diagnos |
| CN109831029A (en) * | 2019-01-10 | 2019-05-31 | 中国南方电网有限责任公司 | The method that intelligent substation protects equipment high efficiency to make an inspection tour |
| CN111130061A (en) * | 2019-12-05 | 2020-05-08 | 国网辽宁省电力有限公司锦州供电公司 | Remote switching control method for relay protection device constant value area |
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