CN106655520A - Method for ensuring safe and reliable execution of relay protection remote operation - Google Patents
Method for ensuring safe and reliable execution of relay protection remote operation Download PDFInfo
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- CN106655520A CN106655520A CN201710078464.8A CN201710078464A CN106655520A CN 106655520 A CN106655520 A CN 106655520A CN 201710078464 A CN201710078464 A CN 201710078464A CN 106655520 A CN106655520 A CN 106655520A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012790 confirmation Methods 0.000 claims description 60
- 238000003825 pressing Methods 0.000 claims description 30
- 238000012795 verification Methods 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
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- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 8
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- 238000004891 communication Methods 0.000 description 7
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- 238000007726 management method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000011664 signaling Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
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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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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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
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/263—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of measured values
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/30—Reducing waste in manufacturing processes; Calculations of released waste quantities
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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
- Y04S10/16—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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Abstract
The invention relates to a method for ensuring safe and reliable execution of a relay protection remote operation. A technical scheme based on determination on three aspects is disclosed; the determination on three aspects refers to conditions that at least three indications are changed correspondingly, and all the determined indications are all changed correspondingly at the same time; the safe and reliable execution of the remote operation function is protected, and then the purpose of improving the practical popularization of the relay protection remote operation is further fulfilled; and after the relay protection remote operation function is executed, the emergency handling capability of a power grid can be effectively improved, switching operation efficiency of the power grid is improved, manpower and material resource cost of a power supply enterprise is reduced, shutdown time of electrical equipment caused by accidents and other factors is shortened, traffic material loss is reduced, traveling risk of an operational and maintenance staff and personal risk of an onsite operator are lowered, and guarantee is provided for reliable power supply and good-quality service.
Description
Technical field
The present invention relates to a kind of electrical equipment control technology, more particularly to one kind guarantee that relay protection remote operation safely may be used
Method by performing.
Background technology
At present, the telecontrol engineering of primary equipment is commonly used and achieves notable benefit, but often because of relay protection dress
Putting cannot realize distant place control and the cooperating of first and second equipment must be carried out in transformer station, be somebody's turn to do " short -board effect " substantially
Constrain electric grid operating efficiency.For a long time, because soft pressing plate, slot signal are moved back in distant place modification definite value, switching definite value area, throwing
It is increasingly complex Deng the control ratio primary equipment remote control of a relay protection distant place, and fail effectively to be applied in electrical network is produced.According to having
Pass data shows that in power generation operation in China, most relay protections are still using the management of local operation
Pattern.
Protective relaying device is to realize that electric network fault quickly isolates, ensures the visual plant of electric power netting safe running.With electricity
The fast development of network planning mould, electric network composition frequently changes, and relay protected operation mode needs synchronous adjustment, relay protection operation work
Amount is swift and violent to be increased.
Protective relaying device model, version are various, different manufacturers, different times, the protective relaying device of different model
Guidance panel different style.Under local operation pattern, operating personnel need to skillfully grasp the operation side of each protective relaying device
Operating personnel are proposed very high requirement by method.For modification definite value work, protective relaying device liquid crystal panel is limited to
Display effect, operating efficiency is very low, and needs to exit protection exit in operating process, and this is for only configuring single set protection
For the grid equipment of 110k V and following electric pressure, power networks risk is significantly improved, and the operating pressure of operating personnel is huge
Greatly.Relay protection operation pressure is increasingly highlighted, and existing relay protection local operation pattern is because operation interface is unfriendly, operation effect
Rate is low, the shortcomings of cannot carry out online, be difficult to meet the operational management demand of modernization electrical network.Therefore, using unified behaviour
It is preferable solution route to make administration interface, information transmitting, the relay protection distant place control technology of support on-line operation.Closely
Nian Lai, has some electrical power company or equipment manufacturer to study relay protection distant place control technology to some extent, but fresh
Have extensively, comprehensively application practice, trace it to its cause mainly include it is following some：(1) consistent, reliable stipulations model is lacked.Mesh
Before, most of research work are placed on focus on functional requirement, focus on the external function row to the control of a relay protection distant place
To enter row constraint, rarely have the treatment mechanism to the control of a relay protection distant place to be furtherd investigate and specification.Due to relay protection dress
The complexity put and the diversity of actual condition, whether the inter-process mechanism for being only difficult assessment equipment by its external behavior
It is reliable, reasonable.Just because of internal processor of consistent, the reliable stipulations model of shortage to relevant devices such as protective relaying devices
System carries out strict constraint, result between equipment（Especially between the equipment of different manufacturers）Interoperability it is poor, to close
The treatment mechanism imperfection of key control information, have impact on the relay protection distant place that distant place modification definite value etc. needs complex information to interact
Control reliability.(2) technical scheme in operation equipment it is compatible poor.In ongoing research and applying work, portion
Divide and employ self-defined stipulations（Or larger self-defined extension is carried out to the stipulations of standard）, the mode of setting up autonomous system realizes
Relay protection distant place control function.Which has very strong specific aim to equipment feature, can conveniently realize every relay
Protection distant place control function.But, such technical solution for leveling off to " custom-made by size ", the compatibility to equipment in operation
It is poor, fail to make full use of existing dispatch automated system, the software and hardware and the communication resource of letter system are protected, in Technique Popularizing application
Implementation process in equipment construction or retrofit work amount it is larger, economic benefit is poor.Meanwhile, between multiple autonomous systems isolated
Lack effectively information exchange and Collaborative Control, be unfavorable for the compatibility that function is integrated, realize Based Intelligent Control, to the system integration
Difference.
As computer technology is in the application and development of power system, increasing newly-built transformer station adopts comprehensive automation
Change.With developing rapidly for microelectric technique, the automation of transformation substations is from the centralized to distributing blocking development of conventional formula.
The continuous progress of electronic technology, the structure for causing electric substation automation system also there occurs larger change, at the scene control system
Layered distribution type structure is adopted in system, oneself shows powerful advantage.Current automated system newly developed both at home and abroad, its is basic
Structure is almost bar none using the complex automatic system of layered distribution type structure composition.It is being physically by standing
Control layer and wall composition, most systems are connected in the communication of station level and wall using optical fiber or ethernet twisted pair
Connect.The pattern that telecontrol communication machine and relay protection information substation separately communicate is employed between substation and main website, send in telecontrol communication machine remote signalling, remote measurement,
Remote control amount, and relay protection information substation then on send the protection information such as message.Telecontrol communication machine is communicated using 101 stipulations and 104 stipulations,
Relay protection information substation is communicated using 103 stipulations.At present, communication either between station equipment, or substation and main website it
Between communication, the requirement of protection device on-line operation can be met completely.To adapt to electric power enterprise development need, unmanned value is met
Substation operation requirement is kept, with distant place on-line tuning technology adjusting for Microcomputer Protection is carried out, for protection is reduced number of times is exited,
The working strength of protection personnel is reduced, operating efficiency is improved, power grid security is ensured, it is significant.
There is particularity in the reason for being now directed to the remote control of secondary device because of aspects such as equipment and technologies.Remote control one
The result of secondary device operation can cause 2 changes indicated above of monitoring system, including switch changed position, remote signalling value, telemetry value
Change etc.；The pressing plate state of secondary device is after remote control, it is impossible to causes the state change beyond secondary device itself, leads
Cause potential faults.
The content of the invention
The present invention be directed to the potential problem that protective relaying device remotely control is present, it is proposed that one kind guarantees relay protection
The method of the safe and reliable execution of remote operation, in order to further improve relay protection remote operation reliability, the present invention is proposed
A kind of robust techniques scheme for being based on three confirmations.Three confirm to refer to：Should at least there are three to indicate correspondence change, and it is all these
It is determined that instruction there is correspondence change simultaneously.
The technical scheme is that：A kind of method for guaranteeing the safe and reliable execution of relay protection remote operation, plant stand end
Access protection equipment and set up after physical connection test in dispatching terminal, and carry out after the normal execution of upper and lower two-shipper monitoring, such as performing
Distant place modification operation, is handed down to distant place plant stand end, it is necessary to carry out three step verification steps by operator by order is changed, and such as three steps are true
Recognizing any one step in step can not complete, then report unacknowledged result to system, terminate this operation task；
Three step verification steps are specific as follows：The selection operation item on D5000 platforms, i.e. definite value area switch or soft pressing plate is thrown and moves back item,
Carry out first step confirmation, the first confirmation of definite value area switching is referred to cuts after the completion of area, trivial number of the current definite value of protection device with
The whether consistent confirmation of target definite value area code, the soft pressing plate of reclosing throws other the soft pressing plates moved back and in addition to reclosing and throws first for moving back
Confirmation refers to confirmation of the soft pressing plate state by " put into-exit " or " exit-put into " state；
If the first step confirms to complete, second step confirmation is carried out, while the first step is confirmed directly to report result to system, first
Step confirmation could perform second step confirmation after being confirmed, the second confirmation of definite value area switching is referred to cuts after the completion of area, protection dress
Put when the confirmation whether consistent with the benchmark definite value of respective area in scheduling client database of the definite value in proparea.The soft pressing plate of reclosing is thrown and is moved back
The second confirmation refer to confirmation of the reclosing charging and discharging state by " recharge-discharge " or " electric discharge-charge " state, except reclosing
The second confirmation that the soft pressing plate throwing of other outer is moved back refers to status signal, and by " put into-exit " or " exit-put into ", state is really
Recognize；
If second step confirms to complete, the confirmation of the 3rd step is carried out, while second step is confirmed to report result to system, wherein, the
Two steps confirm that the confirmation of the 3rd step could be performed after being confirmed, and the 3rd confirmation of definite value area switching refers to that remote regulating measuring point order is issued
Afterwards, substation receives the confirmation that its result is replied, and after the 3rd confirmation that soft pressing plate throwing is moved back refers to that guidance command is issued, substation receives it
As a result the confirmation replied；
Rear in the 3rd confirmation reports implementing result to system, and operations staff is filled in when time remote operation implementing result list, signature
And superior is reported, operation terminates.
The beneficial effects of the present invention is：Present invention ensure that the method for the safe and reliable execution of relay protection remote operation, protects
Shield remote operation functional safety, reliable execution, and then reach the target for lifting relay protection remote operation applied generalization.Relay
After protection remote operation function is implemented, electric network emergency disposing capacity can be effectively lifted, improve electrical network the Efficiency of Switching Operation, reduce supplying
There is advantage in electric business manpower material resources cost, shortening electrical equipment, reduce traffic goods and materials and damage because of many-sides such as forced shutdown times
The personal risk of consumption, the driving risk for reducing operation maintenance personnel and execute-in-place, is that reliable power supply and good service provide safeguard.
Description of the drawings
Fig. 1 is that three step of the invention confirms flow chart.
Fig. 2 is the flow chart of distant place definite value area switching of the present invention；
Fig. 3 is that the soft pressing plate in a distant place of the present invention throws the flow chart for moving back.
Specific embodiment
The method for guaranteeing the safe and reliable execution of relay protection remote operation, plant stand is terminated into protection equipment and built in dispatching terminal
After vertical physical connection test, and carry out after the normal execution of upper and lower two-shipper monitoring, such as performing distant place modification operation, will be repaiied by operator
Change order and be handed down to distant place plant stand end, it is necessary to carry out three step verification steps, any one step can not be completed in such as three step verification steps,
Then unacknowledged result is reported to system, terminate this operation task.Flow chart as shown in Figure 1, three step verification steps are concrete such as
Under：S1, on D5000 platforms selection operation item, i.e., definite value area switching or soft pressing plate throw move back item, carry out first step confirmation, definite value
First confirmation of area's switching is referred to cuts after the completion of area, and whether trivial number of the current definite value of protection device is consistent with target definite value area code
Confirmation.The soft pressing plate of reclosing throw other the soft pressing plates moved back and in addition to reclosing throw the first confirmation moved back refer to soft pressing plate state by
The confirmation of " put into-exit " or " exit-put into " state.
If S2, the first step confirm to complete, second step confirmation is carried out, while the first step is confirmed directly to report to system tying
Really, confirm that second step could be performed after being confirmed to be confirmed in the first step.Second confirmation of definite value area switching refers to that cutting area completes
Afterwards, protection device is when the confirmation whether consistent with the benchmark definite value of respective area in scheduling client database of the definite value in proparea.Reclosing
The second confirmation that soft pressing plate throwing is moved back refers to reclosing charging and discharging state, and by " recharge-discharge " or " electric discharge-charge ", state is really
Recognize.Other soft pressing plates in addition to reclosing throw the second confirmation moved back and refer to status signal by " put into-exit " or " exit-put into "
The confirmation of state.
If S3, second step confirm to complete, the confirmation of the 3rd step is carried out, while second step is confirmed to report result to system, its
In, confirm that the 3rd step could be performed after being confirmed to be confirmed in second step.3rd confirmation of definite value area switching refers to remote regulating measuring point
After order is issued, substation receives the confirmation that its result is replied.After the 3rd confirmation that soft pressing plate throwing is moved back refers to that guidance command is issued, son
Station receives the confirmation that its result is replied.
S4, implementing result is reported to system in the rear of the 3rd confirmation, operations staff is filled in when time remote operation implementing result
Single, signature and superior report, operation terminates.
As Fig. 2 and Fig. 3 is respectively the flow chart that the switching of definite value area and the throwing of soft pressing plate are moved back, comprise the following steps that：
Step 1 secondary model synchronization：Plant stand terminates protection equipment and sets up after physical connection in dispatching terminal, and dispatching terminal is needed first
Relay protection and automatic safety device model to plant stand end carries out calling synchronously, to guarantee the uniformity of two ends secondary model.
Model of dispatching terminal directly uses EMS system（EMS）Existing model, without the need for repeating to set up and safeguarding.
Step 2 scene transmission test：Plant stand is terminated into whole protection equipments and completes synchronous with dispatching terminal secondary model
Afterwards, the handoff functionality checking of definite value area is carried out to every equipment by dispatching terminal, ultimately forms complete on-the-spot test report, it is ensured that
Before system puts into operation, each operating function of every equipment all carried out live transmission test, and correct execution.
Step 3 system operation：After field test is finished, system puts into operation, and into system normal operating phase.Normally
Run duration mainly realize to the related monitoring such as plant stand passage, relay protection device on off operating mode, the verification of definite value uniformity with
Alarm business.
Step 4 method of operation is changed：When due to network load change or other reasons need the fortune to relay protection device
When line parameter is adjusted, management and running department can issue the method for operation Notification of Changes of correlation, and operator is according to logical
Know and decide whether to initiate remote operation task.
Step 5 User logs in：After by being input into correct the user name and password password, d5000 platforms can be logged in and beaten
The main interface of format application；
Step 6 equipment and function are selected：According to the notice that management and running department issues, it is determined that to carry out the plant stand of remote operation
Name, compartment name, main equipment title, relay protection device title and operating function item (definite value area switches or soft pressing plate is thrown and moved back),
And final chart spacing operation pages are navigated to by interface navigation.
Step 7 calls current runtime value：The current runtime value of protection equipment corresponding function is called by " calling " button, with
Guarantee the last look for seeing protection equipment operational factor.
Step 8 checks currency and modified values：Before modification operation, the current runtime value of equipment and the target to be changed need to be confirmed
Whether value is consistent, if unanimously, should at once terminate this operation, and superior is reported, to investigate reason.If no
Unanimously, then according to traffic department's notice, the related operational factor that will be adjusted on interface is revised as desired value.
The double two-shipper monitoring of step 9：Before in control command, distally plant stand end issues, the purview certification and supervision for carrying out is true
Recognize work.
Step 10 performs distant place modification operation：After the completion of two-shipper monitoring, distant place factory is handed down to by order is changed by operator
Stand end.Definite value area switching command realizes that soft pressing plate is thrown and moves back remote control side of the order according to IEC104 according to the remote regulating mode of IEC104
Formula is realized.
Step 11 three confirms：
A）Definite value area switches
Confirm one：After the completion of cutting area, whether the current definite value area code of protection device is consistent with target definite value area code；
Confirm two：After the completion of cutting area, protection device is with the benchmark definite value of respective area in scheduling client database when the definite value in proparea
It is no consistent；
Confirm three：After remote regulating measuring point order is issued, substation receives its result and replys.
B）Soft pressing plate is thrown and is moved back
Confirm one：Soft pressing plate state by " input->Exit " or " exit->Input "；
Confirm two：The logical consistency of function pressing plate correspondence remote signalling confirmation, such as charging and discharging state by " charge->Discharge " or
" electric discharge->Charge "；
Confirm three：After guidance command is issued, substation receives its result and replys.
Claims (1)
1. a kind of method for guaranteeing the safe and reliable execution of relay protection remote operation, it is characterised in that plant stand is terminated and set into protection
It is standby and set up after physical connection test in dispatching terminal, and after carrying out that upper and lower two-shipper monitoring is normal and performing, such as perform distant place modification behaviour
Make, be handed down to distant place plant stand end by order is changed by operator, it is necessary to carry out three step verification steps, appoint in such as three step verification steps
A step of anticipating can not be completed, then report unacknowledged result to system, terminate this operation task；
Three step verification steps are specific as follows：The selection operation item on D5000 platforms, i.e. definite value area switch or soft pressing plate is thrown and moves back item,
Carry out first step confirmation, the first confirmation of definite value area switching is referred to cuts after the completion of area, trivial number of the current definite value of protection device with
The whether consistent confirmation of target definite value area code, the soft pressing plate of reclosing throws other the soft pressing plates moved back and in addition to reclosing and throws first for moving back
Confirmation refers to confirmation of the soft pressing plate state by " put into-exit " or " exit-put into " state；
If the first step confirms to complete, second step confirmation is carried out, while the first step is confirmed directly to report result to system, first
Step confirmation could perform second step confirmation after being confirmed, the second confirmation of definite value area switching is referred to cuts after the completion of area, protection dress
Put when the confirmation whether consistent with the benchmark definite value of respective area in scheduling client database of the definite value in proparea；
The soft pressing plate of reclosing throws the second confirmation moved back and refers to reclosing charging and discharging state by " recharge-discharge " or " electric discharge-charge "
The confirmation of state, the soft pressing plate of other in addition to reclosing throws the second confirmation moved back and refers to status signal by " put into-exit " or " move back
Go out-put into " confirmation of state；
If second step confirms to complete, the confirmation of the 3rd step is carried out, while second step is confirmed to report result to system, wherein, the
Two steps confirm that the confirmation of the 3rd step could be performed after being confirmed, and the 3rd confirmation of definite value area switching refers to that remote regulating measuring point order is issued
Afterwards, substation receives the confirmation that its result is replied, and after the 3rd confirmation that soft pressing plate throwing is moved back refers to that guidance command is issued, substation receives it
As a result the confirmation replied；
Rear in the 3rd confirmation reports implementing result to system, and operations staff is filled in when time remote operation implementing result list, signature
And superior is reported, operation terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710078464.8A CN106655520B (en) | 2017-02-14 | 2017-02-14 | Ensure the method that relay protection remote operation securely and reliably executes |
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| CN201710078464.8A CN106655520B (en) | 2017-02-14 | 2017-02-14 | Ensure the method that relay protection remote operation securely and reliably executes |
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| CN106655520B CN106655520B (en) | 2019-07-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276222A (en) * | 2017-06-20 | 2017-10-20 | 国网江苏省电力公司镇江供电公司 | Intelligent substation maintenance signal, which is checked and accepted, send alarm method |
| CN109884435A (en) * | 2019-03-15 | 2019-06-14 | 许继集团有限公司 | A kind of protective relaying device tester, automatic test approach and device |
| 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 |
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| CN106655520B (en) | 2019-07-16 |
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