CN106410964A - Constant value remote operation method based on transformer substation relay protection device - Google Patents
Constant value remote operation method based on transformer substation relay protection device Download PDFInfo
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- CN106410964A CN106410964A CN201610895825.3A CN201610895825A CN106410964A CN 106410964 A CN106410964 A CN 106410964A CN 201610895825 A CN201610895825 A CN 201610895825A CN 106410964 A CN106410964 A CN 106410964A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000013475 authorization Methods 0.000 claims abstract description 15
- 238000012986 modification Methods 0.000 claims abstract description 7
- 230000004048 modification Effects 0.000 claims abstract description 7
- 238000009472 formulation Methods 0.000 claims abstract description 4
- 239000000203 mixture Substances 0.000 claims abstract description 4
- 238000012795 verification Methods 0.000 claims description 19
- 238000003825 pressing Methods 0.000 claims description 13
- 238000012790 confirmation Methods 0.000 claims description 6
- 238000007711 solidification Methods 0.000 claims description 6
- 230000008023 solidification Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004575 stone Substances 0.000 claims description 2
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010606 normalization Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- H02J13/0006—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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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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- 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
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
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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
- 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
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol
Landscapes
- Emergency Protection Circuit Devices (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a constant value remote operation method based on a transformer substation relay protection device. The method comprises a security authorization system establishment step; a remote constant value operation modification step; a remote constant value section switching step; a remote soft strap switching on/off performing step; and a remote signal resetting step. The security authorization system establishment step concretely includes security key system formulation, operation order encryption and issuing and operation order start performing. The constant value remote operation method based on the transformer substation relay protection device has the characteristics of operation legality detection and online constant value management.
Description
Technical field
The present invention relates to substation relay protection device definite value remote operation field is and in particular to arrive a kind of transformer station relay
Protection equipment definite value remote operation method.
Background technology
Relay protection is first barrier of power grid security reliability service, and the relay protection constant value management of existing electrical network is general
Using off-line mode, simultaneously for protection information safety, how by the way of the scene of sending someone carries out definite value switching.This mode is deposited
In problems with：On the one hand, relay protection constant value configures according to the method for operation of power system, with the knot of modern power network
Structure is increasingly complicated, and the change of the method for operation needs frequently definite value switching, and this mode is changed definite value and is difficult to meet efficient requirement；
On the other hand, with the development of intelligent grid, the condition of remote operation is progressively ripe, and protective relaying device has substantially
Hold a distant place to change definite value, switching definite value area, throw the communication interface moving back the remote operations such as soft pressing plate, slot signal.Therefore enter online
The long-range setting management of row is extremely urgent.
The main contents of relay protection remote operation have：（1）Definite value is arranged；（2）Definite value Operational Zone is changed；（3）A distant place is thrown
Move back soft pressing plate；（4）Distant place slot signal；（5）The regular automatic Verification of definite value.
At present, the protective relaying device of each producer has supported these remote operation functions substantially, yet with device
Definite value content involve relatively wide, the interactive information needed for remote operation is complicated.And existing protective relaying device does not have in itself
Information security detection and defense function, the communication network information peace of the communication network within transformer station and transformer station and dispatching terminal
The full reliability by impact relay protection remote operation, the communication network architecture of transformer station provides more to enter to information attack
Invade node, attack path, more information stealth links and understand easiness, more stowed position or stepping-stone, broader
Shoot innerland, deeper into Achilles' heel position, the serious threat bringing to the safe and stable operation of power system, or even draw
Send out catastrophic failure.
In view of this, the present inventor is studied to this, specially develops a kind of substation relay protection device definite value remote
Journey method of operating, this case thus produces.
Content of the invention
It is an object of the invention to provide a kind of method based on substation relay protection device definite value remote operation, realize electricity
The safe and stable operation of Force system.
To achieve these goals, the solution of the present invention is：
Based on substation relay protection device definite value remote operation method, comprise the steps：
Set up security certificate system step；
Long-range definite value operation amendment step；
Long-range definite value area switch step；
Remotely soft pressing plate is thrown and is moved back execution step；
Distant place slot signal step；
Wherein, set up security certificate system step to specifically include formulation safe Key Infrastructure, the encryption of operation order and issue, operate
Ticket starts execution.
Compared with prior art, the method tool based on substation relay protection device definite value remote operation of the present invention
Have the following advantages：
（1）Operation validity detects：Authorized validated user just can carry out remote operation, and otherwise this operation will be rejected；
（2）Online setting management：All of definite value operation, issues including operation order and all carries out on-line normalization and management, definite value pipe
Reason is more efficient.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Brief description
Fig. 1 sets up security certificate system process figure for the present embodiment；
Fig. 2 is the long-range definite value operation modification process figure of the present embodiment；
Fig. 3 is the long-range definite value area switching flow figure of the present embodiment；
Fig. 4 is that execution flow chart is moved back in the remotely soft pressing plate throwing of the present embodiment；
Fig. 5 is the distant place slot signal flow chart of the present embodiment.
Specific embodiment
Based on substation relay protection device definite value remote operation method, comprise the steps：
First, set up security certificate system step, as shown in figure 1, specifically including：
1st, formulate safe Key Infrastructure：The Key Infrastructure of high degree of safety is formulated at regulation and control center from top to bottom, and Key Infrastructure includes
The user name of Telnet, the close command code of safety, IP address, operating right grade and Information Encryption Algorithm.This encryption system
By regulating and controlling centrally disposed and be updated according to certain cycle, after be assigned to the active station in transformer station or device.
2nd, the encryption of operation order and issuing：Regulation and control center is encrypted to the operation order assigned, and is issued to monitoring station, operation
Stand, relay protection information safety control；Wherein monitoring station must be appointed as a work station of Substation Station control layer, operation
Station may be selected to be a work station of transformer station's station level, or the work station at regulation and control center, relay protection information security control
Device is the device that in transformer station, communication network monitors, the IP address of these devices is fixed, and by regulation and control center in security system
In be encrypted.Regulation and control center reviews operation order after code encryption, is issued to monitoring station, active station, relay protection information
Safety control；After these stations and device receive, operation order is decrypted according to specified decryption method, and according to specifying
Algorithm of reviewing the order of operation order is carried out specify compound operation, calculate compound result, and return to regulation and control center.If institute
There is compound result identical with the compound result of regulation and control center calculation, then show to assign operation order success, otherwise, then beam back and differ
Compound result, clearly find which network there occurs and be intercepted and distorted.
3rd, operation order starts execution：After determining that operation order is assigned successfully, relay protection information is started by active station and controls safely
Device processed, executes operation order content.When relay protection information safety control receives operation order, first check for operation and start
Station, if belong to operation order formulation active station, simultaneously according to authorization command system, check whether this station has and sign and issue this life
The authority of order, if order system is passed through, start-up operation ticket is operated accordingly to relay protection.
2nd, long-range definite value operates amendment step, as shown in Fig. 2 specifically including：
1. relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, the certification such as order legitimacy, if authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud
Behavior, then need to send alarm to main website, otherwise certification is passed through.
2. relay protection information safety control calls relay protection currently to run the point information in definite value area, verification behaviour
Make the definite value of ticket, if verification is wrong, the definite value of operation order or relay protection is possible to behaviour and distorts or protection device upload
Wrong, then upload warning information.
3. the caching to the fixed value modification issuing to relay protection for the substation, calls the current definite value run of relay protection again
Verified, definite value group is run if appropriate for current.If verification is correct, it is generated as solidification order, will run fixed value modification is
Run definite value, finally by definite value handover event writing events daily record, send switching to main website and complete confirmation message, otherwise, if
Definite value is not suitable for current operating conditions, and substation alarm simultaneously sends definite value handoff failure reason code to main website, illustrates that main website exists and usurps
Change the threat running area code or destroying transformer station's normal operating condition.
3rd, long-range definite value area switch step, as shown in figure 3, specifically include：
1. relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, the certification such as order legitimacy, if authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud
Behavior, then need to send alarm to main website, and otherwise certification is passed through to upload current Operational Zone definite value area code.
2. relay protection information safety control calls protection all definite value areas information, the definite value area of verification operation order
Number, if verification is wrong, the definite value area of operation order or relay protection be possible to behaviour distort or protection device upload wrong, then
Upload warning information.
3. substation carries out definite value area code to the definite value area code issuing and carries out verification whether there is, and whether definite value area definite value group fits
Run before being fated.If verification is correct, it is generated as solidification order, be revised as target area code by running area code, finally definite value cut
Change event writing events daily record, send switching to main website and complete confirmation message, otherwise, if definite value area code does not exist or definite value
District's groups value is not suitable for current operating conditions.Substation alarm simultaneously sends definite value handoff failure reason code to main website, illustrates that main website exists
Distort the threat running area code or destroying transformer station's normal operating condition.
4th, remotely soft pressing plate is thrown and is moved back execution step, as shown in figure 4, specifically including：
1st, substation telemechanical apparatus authorizes identity card table to carry out authentication by inquiring about in database, if authentification failure, then
Main website there may be goes beyond one's commission or the super behavior authorizing, and substation alerts and notify main website, and otherwise certification is passed through to enter telemechanical apparatus
Control point ID checks the stage.
2nd, due to there is telemechanical remote controlled point table and local remote controlled point table in telemechanical apparatus, therefore can be inside telemechanical apparatus
Check whether the telemechanical remote controlled point table preserving and local remote controlled point table mate correctly with our station to the control point ID issuing.If distant
Control point ID do not exist, then possibly main website issue control point ID write mistake or in the presence of light cable in distorted, now substation
Error reason code is simultaneously sent main website by alarm.If checked successfully, enter calling verification stage again.
3rd, calling verification refers to whether the control point ID that telemechanical issues is identical with soft pressing plate control device ID again, if sent
Value and soft No. ID mismatch of pressing plate controller, then, now there is message and distort threat in substation alarm inside transformer station.If verification
Correctly, then execute soft pressing plate throwing and move back order, by detailed for this Action Events writing events daily record and to main website transmission.
5th, distant place slot signal step, as shown in figure 5, specifically include：
1st, relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, the certification such as order legitimacy.If authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud
Behavior, then need to send alarm to main website, and up-delivering signal relay signal state value is passed through in otherwise certification.
2nd, main website record fault signal type, assigns signal return order, substation relay protection information safety control
Whether checking effective information unit is distorted, if distorting substation alarm, assigns signal with broadcast mode after Resolving probiems
Relay involution solidification order.
3rd, signal relay execution signal return order, involution event writing events daily record sends involution life to main website
Execution is made to complete confirmation message.
Being had the advantage that based on the method for substation relay protection device definite value remote operation described in the present embodiment：
（1）Operation validity detects：Authorized validated user just can carry out remote operation, and otherwise this operation will be rejected；
（2）Online setting management：All of definite value operation, issues including operation order and all carries out on-line normalization and management, definite value pipe
Reason is more efficient.
The product form of above-described embodiment and schema the non-limiting present invention and style, any art common
Suitable change or modification that technical staff is done to it, all should be regarded as the patent category without departing from the present invention.
Claims (5)
1. it is based on substation relay protection device definite value remote operation method it is characterised in that comprising the steps：
Set up security certificate system step；
Long-range definite value operation amendment step；
Long-range definite value area switch step；
Remotely soft pressing plate is thrown and is moved back execution step；
Distant place slot signal step；
Wherein, set up security certificate system step to specifically include formulation safe Key Infrastructure, the encryption of operation order and issue, operate
Ticket starts execution.
2. as claimed in claim 1 it is based on substation relay protection device definite value remote operation method it is characterised in that long-range
Definite value operation amendment step specifically includes：
1）Relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, order legitimacy certification, if authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud row
For sending alarm to main website, otherwise certification is passed through；
2）Relay protection information safety control calls relay protection currently to run the point information in definite value area, checks operation order
Definite value, if verification wrong, upload warning information；
3）The caching to the fixed value modification issuing to relay protection for the substation, calls the current definite value run of relay protection to carry out again
Verification：Verification is correct then to generate solidification order, and will run fixed value modification is to run definite value, finally definite value handover event is write thing
Part daily record, sends switching to main website and completes confirmation message, and otherwise, substation alarm simultaneously sends definite value handoff failure reason to main website
Code.
3. as claimed in claim 1 it is based on substation relay protection device definite value remote operation method it is characterised in that long-range
Definite value area switch step specifically includes：
1）Relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, order legitimacy certification, if authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud row
For sending alarm to main website, otherwise certification is passed through to upload current Operational Zone definite value area code；
2）Relay protection information safety control calls protection all definite value areas information, checks the definite value area code of operation order, such as
To wrong, then the definite value area of operation order or relay protection is possible to that behaviour distorts or protection device uploads wrong to fruit stone, above conveys
Alarming information；
3）Substation carries out definite value area code to the definite value area code issuing and carries out verification whether there is, and definite value area definite value group is if appropriate for working as
Front operation, if verification is correct, is generated as solidification order, is revised as target area code by running area code, finally definite value is switched thing
Part writing events daily record, sends switching to main website and completes confirmation message, otherwise, if definite value area code does not exist or definite value district's groups
Value is not suitable for current operating conditions, and substation alarm simultaneously sends definite value handoff failure reason code to main website.
4. as claimed in claim 1 it is based on substation relay protection device definite value remote operation method it is characterised in that described
Remotely soft pressing plate throwing is moved back execution step and is specifically included：
1）Substation telemechanical apparatus authorizes identity card table to carry out authentication by inquiring about in database, if authentification failure, substation
Alert and notify main website, certification is passed through then to enter the telemechanical apparatus control point ID check stage；
2）The telemechanical remote controlled point table that the control point ID issuing is preserved and local remote controlled point is checked with our station inside telemechanical apparatus
Whether table mates correctly, if remote controlled point ID does not exist, error reason code is simultaneously sent main website, if checked into by substation alarm
Work(, then enter calling verification stage again；
3）Again calling verification refer to whether the control point ID that telemechanical issues identical with soft pressing plate control device ID, if sending value with
Soft No. ID mismatch of pressing plate controller, then, now there is message and distort threat in substation alarm inside transformer station, if verification is just
Really, then execute soft pressing plate throwing and move back order, by detailed for this Action Events writing events daily record and to main website transmission.
5. as claimed in claim 1 it is based on substation relay protection device definite value remote operation method it is characterised in that described
Distant place slot signal step specifically includes：
1）Relay protection information safety control first passes through the authorization command system of its storage to the successful operation order of download
Carry out authorizing identity, order legitimacy certification, if authentification failure, exist and go beyond one's commission or surpass the act of authorization, belong to fraud row
For sending alarm to main website, up-delivering signal relay signal state value is passed through in otherwise certification；
2）Main website record fault signal type, assigns signal return order, and substation relay protection information safety control is verified
Whether effective information unit is distorted, if distorting substation alarm, assigns signal relay with broadcast mode after Resolving probiems
Device involution solidification order；
3）Signal relay executes signal return order, and involution event writing events daily record sends involution order to main website and holds
Row completes confirmation message.
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| CN201610895825.3A CN106410964B (en) | 2016-10-14 | 2016-10-14 | Based on substation relay protection device definite value remote operation method |
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| CN201610895825.3A CN106410964B (en) | 2016-10-14 | 2016-10-14 | Based on substation relay protection device definite value remote operation method |
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| CN106410964B CN106410964B (en) | 2019-02-01 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658984A (en) * | 2017-10-10 | 2018-02-02 | 广东电网有限责任公司电力调度控制中心 | A kind of main back-up protection definite value distant place decoupling setting method |
| CN109193587A (en) * | 2018-10-12 | 2019-01-11 | 南京南瑞继保电气有限公司 | A kind of substation's site distributed protection system and remote operation method |
| CN109494880A (en) * | 2018-12-27 | 2019-03-19 | 国网浙江省电力有限公司电力科学研究院 | A kind of site bus protection station level information management implementation method |
| CN109842208A (en) * | 2018-12-26 | 2019-06-04 | 广东电网有限责任公司 | The anti-misoperation method and device that a kind of automatic safety device fixed value list distant place issues |
| CN109993405A (en) * | 2019-02-28 | 2019-07-09 | 国网浙江省电力有限公司绍兴供电公司 | A kind of relay protection remote operation closed loop control operation order model and assign method |
| CN110350660A (en) * | 2019-07-12 | 2019-10-18 | 国电南瑞科技股份有限公司 | A kind of relay protection function pressing plate in-service monitoring method and system |
| CN111668820A (en) * | 2020-06-24 | 2020-09-15 | 中国南方电网有限责任公司 | Relay protection constant value remote configuration method |
| CN112104078A (en) * | 2020-09-09 | 2020-12-18 | 国网河南省电力公司技能培训中心 | Remote control authorization terminal with redundancy function for power system |
| CN113470210A (en) * | 2021-06-30 | 2021-10-01 | 广东电网有限责任公司 | Fixed value rapid inspection method and system of safety automatic device and storage medium |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658984A (en) * | 2017-10-10 | 2018-02-02 | 广东电网有限责任公司电力调度控制中心 | A kind of main back-up protection definite value distant place decoupling setting method |
| CN109193587A (en) * | 2018-10-12 | 2019-01-11 | 南京南瑞继保电气有限公司 | A kind of substation's site distributed protection system and remote operation method |
| CN109193587B (en) * | 2018-10-12 | 2020-02-04 | 南京南瑞继保电气有限公司 | Transformer substation local distributed protection system and remote operation method |
| CN109842208A (en) * | 2018-12-26 | 2019-06-04 | 广东电网有限责任公司 | The anti-misoperation method and device that a kind of automatic safety device fixed value list distant place issues |
| CN109842208B (en) * | 2018-12-26 | 2023-01-20 | 广东电网有限责任公司 | Anti-error method and device for remote issuing of fixed value list of safety automatic device |
| CN109494880A (en) * | 2018-12-27 | 2019-03-19 | 国网浙江省电力有限公司电力科学研究院 | A kind of site bus protection station level information management implementation method |
| CN109494880B (en) * | 2018-12-27 | 2021-10-22 | 国网浙江省电力有限公司电力科学研究院 | In-situ bus protection station control layer information management implementation method |
| CN109993405A (en) * | 2019-02-28 | 2019-07-09 | 国网浙江省电力有限公司绍兴供电公司 | A kind of relay protection remote operation closed loop control operation order model and assign method |
| CN110350660A (en) * | 2019-07-12 | 2019-10-18 | 国电南瑞科技股份有限公司 | A kind of relay protection function pressing plate in-service monitoring method and system |
| CN111668820A (en) * | 2020-06-24 | 2020-09-15 | 中国南方电网有限责任公司 | Relay protection constant value remote configuration method |
| CN112104078A (en) * | 2020-09-09 | 2020-12-18 | 国网河南省电力公司技能培训中心 | Remote control authorization terminal with redundancy function for power system |
| CN113470210A (en) * | 2021-06-30 | 2021-10-01 | 广东电网有限责任公司 | Fixed value rapid inspection method and system of safety automatic device and storage medium |
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