CN106410954B - The control method of region prepared auto restart, device and prepared auto restart control method, system - Google Patents
The control method of region prepared auto restart, device and prepared auto restart control method, system Download PDFInfo
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- CN106410954B CN106410954B CN201610954301.7A CN201610954301A CN106410954B CN 106410954 B CN106410954 B CN 106410954B CN 201610954301 A CN201610954301 A CN 201610954301A CN 106410954 B CN106410954 B CN 106410954B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
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- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The present invention relates to a kind of control method of region prepared auto restart, device and prepared auto restart control method systems, the control method of the region prepared auto restart includes: after the starting of region prepared auto restart, continue to send pause instruction to the station domain prepared auto restart for communicating with connection, it is acted by station domain prepared auto restart according to pause instruction pause, to domain prepared auto restart pause isolated fault of standing, after prepared auto restart acts successfully when region, blocking order is sent to station domain prepared auto restart, is failure to actuate by station domain prepared auto restart according to blocking order locking.After region prepared auto restart acts successfully, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is failure to actuate according to blocking order, station domain prepared auto restart isolated fault is avoided to disconnect the supply path on chain type power grid between open loop point and fault point, to pay the utmost attention to the movement of region prepared auto restart in the case where the movement of region prepared auto restart, restore the power supply of bigger decompression range.
Description
Technical field
The present invention relates to electric system transmission & distribution electro-technical field, more particularly to a kind of region prepared auto restart control method,
Device and prepared auto restart control method, system.
Background technique
Prepared auto restart, i.e. automatic throw-in equipment of emergency power supply, when working power because failure disconnect after, can automatically and promptly incite somebody to action
In-put of spare power supply is gone to working or user being switched on backup power source, so that the one kind for making user be unlikely to be had a power failure is automatic
Device.In recent years, automatic closing technology is used widely in 220kV and the power grid of following level, is maintaining power grid
It stabilizes and increases power supply reliability etc. and has played important function.
There are many chain structure power grids in 220kV or 110kV power grid, tactic pattern is both ends power supply, chain type knot
Open loop operation among structure, when the tripping of source side main transformer, bus or line fault, it is possible to lead to multiple power transformation no-voltage of entire station,
Cause large-area power-cuts.The load of open loop point plant stand can only be saved, by traditional station domain prepared auto restart in order to avoid such event
Generation, many places consider the installation area prepared auto restarts in the power grid of chain structure at present, reduce failure to a certain extent
The region of power failure and time improve customer power supply reliability.
But if only considering installation area prepared auto restart not configuration station domain prepared auto restart, in the case where breaking in the communications, region is standby
It will be latched from throwing, system jam, the load at open loop point station also will be unable to save at this time, therefore in area control system
It should be provided with region prepared auto restart and station domain backup power automatic switching function in construction, but how to realize between region prepared auto restart and station domain prepared auto restart
Coordinated control be a technological difficulties.
Summary of the invention
Based on this, it is necessary to control method, device and the prepared auto restart control method, system of a kind of region prepared auto restart are provided,
It can be realized region prepared auto restart and station domain prepared auto restart coordinated control.
A kind of control method of region prepared auto restart, comprising:
After the starting of region prepared auto restart, continue to send pause instruction to the station domain prepared auto restart for communicating with connection, by described
Domain prepared auto restart of standing is acted according to the pause instruction pause；
After the region prepared auto restart acts successfully, blocking order is sent to the station domain prepared auto restart, it is standby by the station domain
It is failure to actuate from throwing according to blocking order locking.
A kind of prepared auto restart control method, comprising:
After the starting of region prepared auto restart, continue to send pause instruction to the station domain prepared auto restart for communicating with connection；The station domain
Prepared auto restart is acted according to the pause instruction pause；
After the region prepared auto restart acts successfully, blocking order is sent to the station domain prepared auto restart；
The station domain prepared auto restart is failure to actuate according to blocking order locking.
A kind of control device of region prepared auto restart, comprising:
Whether detection module starts for detection zone prepared auto restart；
Control module, for after the detection module detects region prepared auto restart starting, continue to the area
The station domain prepared auto restart of domain prepared auto restart communication connection sends pause instruction, is suspended by the station domain prepared auto restart according to the pause instruction
Movement；And after the region prepared auto restart acts successfully, blocking order is sent to the station domain prepared auto restart, it is standby certainly by the station domain
It throws and is failure to actuate according to blocking order locking.
A kind of prepared auto restart control system, at least one including region prepared auto restart and with region prepared auto restart communication connection
Station domain prepared auto restart；The region prepared auto restart has the control device of above-mentioned region prepared auto restart.
The control method of above-mentioned region prepared auto restart continues to send to station domain prepared auto restart temporary after the starting of region prepared auto restart
Stop instruction is acted by station domain prepared auto restart according to pause instruction pause, thus domain prepared auto restart pause isolated fault of standing, when region is standby certainly
After throwing acts successfully, blocking order is sent to station domain prepared auto restart, is failure to actuate by station domain prepared auto restart according to blocking order locking.Region
After prepared auto restart acts successfully, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is motionless according to blocking order
Make, station domain prepared auto restart isolated fault is avoided to disconnect the supply path on chain type power grid between open loop point and fault point, thus
Region prepared auto restart pays the utmost attention to the movement of region prepared auto restart in the case where acting, restore the power supply of bigger decompression range.
Detailed description of the invention
Fig. 1 is that the structural schematic diagram from the control system thrown is thrown in the region of one embodiment；
Fig. 2 is the flow chart of the control method of the region prepared auto restart of one embodiment；
Fig. 3 is the timing explanatory diagram that the region prepared auto restart of one embodiment is interacted with station domain prepared auto restart；
Fig. 4 is the timing explanatory diagram that the region prepared auto restart of another embodiment is interacted with station domain prepared auto restart；
Fig. 5 is the schematic diagram of the chain structure power grid of one embodiment；
Fig. 6 is the flow chart of the control method of the region prepared auto restart of another embodiment；
Fig. 7 is the structural schematic diagram of the control device of the region prepared auto restart of one embodiment.
Specific embodiment
As shown in Figure 1, a kind of prepared auto restart control system, including a region prepared auto restart 102, and it is logical with region prepared auto restart
Believe an at least station domain prepared auto restart 104 for connection.
Domain prepared auto restart 104 of standing is arranged in each substation of regional power grid, and the weight of regional power grid is arranged in region prepared auto restart
It wants in plant stand, is communicated to connect with the station domain prepared auto restart in regional power grid.Specifically, region prepared auto restart 102 and station domain prepared auto restart 104
It is connected by way of wire communication or wireless communication.It is understood that region prepared auto restart 102 and station domain prepared auto restart 104 have
There is communication interface.It is communicatively coupled by communication interface, stand domain prepared auto restart 104 and the realization regional power grid of region prepared auto restart 102
Information sharing.
Region prepared auto restart 102 is provided with control device, for realizing the control to the station domain prepared auto restart in region.The control
The implementation method of device is as shown in Figure 2, comprising the following steps:
S202: after the starting of region prepared auto restart, continuing to send pause instruction to the station domain prepared auto restart for communicating with connection, by
Domain prepared auto restart of standing is acted according to pause instruction pause.
After domain prepared auto restart of standing starting, it is necessary to first pass through the auxiliaries-supply circuit-breaker put into again after delay isolated fault.It stands domain
After prepared auto restart starting, during the delay of isolated fault, region prepared auto restart continues to send pause instruction to station domain prepared auto restart.It stands domain
Prepared auto restart is after receiving pause instruction, pause movement, thus domain prepared auto restart pause isolated fault of standing, it is ensured that open on chain type power grid
The integrality of supply path between circling point and fault point.
S204: after when region, prepared auto restart is acted successfully, to station domain prepared auto restart send blocking order, by station domain prepared auto restart according to
Blocking order locking is failure to actuate.
After the starting of region prepared auto restart, continue to send pause instruction to station domain prepared auto restart, if region prepared auto restart acts successfully,
Blocking order is sent to station domain prepared auto restart.Domain prepared auto restart stand after receiving blocking order, is failure to actuate according to blocking order.Region
After prepared auto restart acts successfully, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is motionless according to blocking order
Make.
The control method of above-mentioned region prepared auto restart continues to send to station domain prepared auto restart temporary after the starting of region prepared auto restart
Stop instruction is acted by station domain prepared auto restart according to pause instruction pause, thus domain prepared auto restart pause isolated fault of standing, when region is standby certainly
After throwing acts successfully, blocking order is sent to station domain prepared auto restart, is failure to actuate by station domain prepared auto restart according to blocking order locking.Region
After prepared auto restart acts successfully, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is motionless according to blocking order
Make, station domain prepared auto restart isolated fault is avoided to disconnect the supply path on chain type power grid between open loop point and fault point, thus
Region prepared auto restart pays the utmost attention to the movement of region prepared auto restart in the case where acting, avoid the power supply of bigger decompression range.
In another embodiment, further include step S206 please continue to refer to Fig. 2: when region prepared auto restart movement not at
When function, stop sending pause instruction to station domain prepared auto restart, by standing, domain prepared auto restart acts after not receiving pause instruction.
Region prepared auto restart is failure to actuate including two kinds of situations, and one kind is that region prepared auto restart does not have operation condition, i.e. region is standby
From the preset condition for throwing not up to starting.Another kind is the baulk of region prepared auto restart.
It is to be understood that region prepared auto restart presets corresponding entry condition with station domain prepared auto restart respectively, when
When reaching respective default entry condition, region prepared auto restart is respectively started with station domain prepared auto restart.In the present embodiment, region prepared auto restart
The starting time be not later than station domain prepared auto restart the starting time.
When region prepared auto restart does not have operation condition or baulk, then stop sending pause instruction to station domain prepared auto restart.
Domain prepared auto restart of standing does not receive pause instruction and acts after not receiving blocking order, so that domain prepared auto restart isolated fault of standing, extensive
The power supply of open loop website is corresponded to again.
The control method of the region prepared auto restart of the present embodiment, when region prepared auto restart does not have operation condition or baulk
When, domain prepared auto restart of standing starting continues the power supply that fast quick-recovery corresponds to open loop website by domain prepared auto restart of standing, and avoids all decompression electricity
The equal decompression of factory can not be restored, and provide double shield for the safe operation of power grid.
In another embodiment, it further comprises the steps of: when prepared auto restart movement in region is failed, is sent to station domain prepared auto restart
Action command, by standing, domain prepared auto restart continues to act after receiving action command.In the present embodiment, when region prepared auto restart acts not
When success, by region prepared auto restart to station domain prepared auto restart sending action instruction, domain prepared auto restart of standing is acted according to action command, is avoided
All equal decompressions of decompression power plant can not be restored, and provide double shield for the safe operation of power grid.
A kind of prepared auto restart control method, as shown in Figure 3, comprising the following steps:
Step 1: after the starting of region prepared auto restart, continuing to send pause instruction to the station domain prepared auto restart for communicating with connection.
Step 2: domain prepared auto restart of standing is acted according to pause instruction pause.
Step 3: after region prepared auto restart acts successfully, sending blocking order to station domain prepared auto restart.
Step 4: domain prepared auto restart of standing is failure to actuate according to blocking order locking.
Above-mentioned prepared auto restart control method continues to send pause instruction to station domain prepared auto restart after the starting of region prepared auto restart,
Stand domain prepared auto restart according to pause instruction pause act, thus stand domain prepared auto restart pause isolated fault, when region prepared auto restart movement at
After function, blocking order is sent to station domain prepared auto restart, domain prepared auto restart of standing is failure to actuate according to blocking order locking.The movement of region prepared auto restart
After after success, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is failure to actuate according to blocking order, avoids standing
Domain prepared auto restart isolated fault disconnects the supply path on chain type power grid between open loop point and fault point, thus in region prepared auto restart
Prepared auto restart movement in region is paid the utmost attention in the case where movement, restores the power supply of bigger decompression range.
In another embodiment, as shown in figure 4, further comprise the steps of: when region prepared auto restart movement it is failed when, stop to
Domain prepared auto restart of standing sends pause instruction, and domain prepared auto restart of standing continues to act after not receiving pause instruction.The present embodiment it is standby from
Control method is thrown, when region prepared auto restart does not have operation condition or baulk, domain prepared auto restart of standing starting is standby certainly by station domain
It throws and continues the power supply that fast quick-recovery corresponds to open loop website, avoid all equal decompressions of decompression power plant that from can not restoring, be the safety of power grid
Operation provides double shield.
In another embodiment, it further comprises the steps of: when prepared auto restart movement in region is failed, is sent to station domain prepared auto restart
Action command, domain prepared auto restart of standing continue to act after receiving action command.In the present embodiment, when region prepared auto restart movement not at
When function, by region prepared auto restart to station domain prepared auto restart sending action instruction, domain prepared auto restart of standing is acted according to action command, avoids institute
Losing the equal decompression of piezo plant can not restore, and provide double shield for the safe operation of power grid.
In the following, being illustrated by taking chain type power grid shown in fig. 5 as an example to a kind of control method of region prepared auto restart.Such as Fig. 5
Shown in chain type power grid, open loop point 220kV station 2 bus connection switch at, 220kV stand 2 bus fanout operations.
When the equal failure of 1 first and second line of Fig. 5 line section, the station domain of the region prepared auto restart and the station 220kV 2 that control main website is standby certainly
The entry condition for meeting prepared auto restart movement simultaneously is thrown, if region prepared auto restart preferentially acts successfully and is latched station domain prepared auto restart,
The bus connection switch that then station 220kV 2 is closed in the 1 first and second line isolated fault of region prepared auto restart tripping line section can restore the station 220kV 2
1M bus and 220kV station 1 power supply；It acts or is not incited somebody to action by region prepared auto restart if the station domain prepared auto restart at the station 220kV 2 is tried to be the first
It is latched, then 2 first and second line of tripping our station line section is closed bus connection switch by the station domain prepared auto restart at the station 220kV 2, is only capable of at this time extensive
The 1M bussed supply at the multiple station 220kV 2.
Using a kind of control method of region prepared auto restart of the invention, as shown in fig. 6, being held first after the starting of region prepared auto restart
Continue to station domain prepared auto restart hair " pause " instruction, suspend the station domain prepared auto restart isolated fault of open loop point station, forbids 2 station of the station tripping 220kV
2 first and second line of line section.Region controls main website during subsequent action, if region prepared auto restart acts successfully, restores
The 1M bus at the station 220kV 2 and the power supply at the station 220kV 1, then enable to station domain control sub-station hair " locking ", locking station domain control sub-station
Station domain prepared auto restart, 220kV station 2 station station domain prepared auto restart do not continue to then act；Otherwise region control main website stopping issues " temporarily
Stop " instruction, " pause " instruction is not received when the station domain prepared auto restart at 2 station of the station 220kV receives, the station domain prepared auto restart at 2 station of the station 220kV
2 first and second line of line section for then continuing 2 station of the station isolated fault tripping 220kV, closes bus connection switch, and the 1M for restoring the station 220kV 2 is female
Line power supply.
It is standby that the above coordination ensures that area control system pays the utmost attention to region in the case where region prepared auto restart has movement
It is acted from throwing, restores the power supply of bigger decompression range, when region prepared auto restart does not have operation condition or baulk, then by standing
Domain prepared auto restart restores the power supply of open loop point decompression bus, provides double shield for the safe and stable operation of power grid.
As shown in fig. 7, a kind of control device of region prepared auto restart, comprising:
Whether detection module 702 starts for detection zone prepared auto restart.Control module 704 is examined for detection module 702
After measuring the starting of region prepared auto restart, continues the station domain prepared auto restart that connect to region prepared auto restart and send pause instruction, it is standby certainly by station domain
It throws and is acted according to pause instruction pause, and after station domain prepared auto restart acts successfully, blocking order is sent to station domain prepared auto restart, by standing
Domain prepared auto restart is failure to actuate according to blocking order locking.
After prepared auto restart of standing starting, it is necessary to first pass through the auxiliaries-supply circuit-breaker put into again after delay isolated fault.Domain of standing is standby
From after throwing starting, during delay, region prepared auto restart continues to send pause instruction to station domain prepared auto restart.Domain prepared auto restart of standing is receiving
To after pause instruction, pause movement, thus domain prepared auto restart pause isolated fault of standing, it is ensured that open loop point and fault point on chain type power grid
Between supply path integrality.
After the starting of region prepared auto restart, continue to send pause instruction to station domain prepared auto restart, if region prepared auto restart acts successfully,
Blocking order is sent to station domain prepared auto restart.Domain prepared auto restart stand after receiving blocking order, is failure to actuate according to blocking order.Region
After prepared auto restart starting, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is failure to actuate according to blocking order.
The control device of above-mentioned region prepared auto restart continues to send to station domain prepared auto restart temporary after the starting of region prepared auto restart
Stop instruction is acted by station domain prepared auto restart according to pause instruction pause, thus domain prepared auto restart pause isolated fault of standing, when region is standby certainly
After throwing acts successfully, blocking order is sent to station domain prepared auto restart, is failure to actuate by station domain prepared auto restart according to blocking order locking.Region
After prepared auto restart acts successfully, restore the power supply of corresponding chain type power grid decompression plant stand, and domain prepared auto restart of standing is motionless according to blocking order
Make, station domain prepared auto restart isolated fault is avoided to disconnect the supply path on chain type power grid between open loop point and fault point, thus
Region prepared auto restart pays the utmost attention to the movement of region prepared auto restart in the case where acting, restore the power supply of bigger decompression range.
In another embodiment, control module 704 are also used to stop when region prepared auto restart acts failed to station
Domain prepared auto restart broadcasts pause instruction, and by standing, domain prepared auto restart acts after not receiving pause instruction.
Region prepared auto restart is failure to actuate including two kinds of situations, and one kind is that region prepared auto restart does not have operation condition, i.e. region is standby
From the preset condition for throwing not up to starting.Another kind is the baulk of region prepared auto restart.
It is to be understood that region prepared auto restart presets corresponding entry condition with station domain prepared auto restart respectively, when
When reaching respective default entry condition, region prepared auto restart is respectively started with station domain prepared auto restart.In the present embodiment, region prepared auto restart
The starting time be not later than station domain prepared auto restart the starting time.
When the not operating success of region prepared auto restart, stop sending pause instruction to station domain prepared auto restart.Domain prepared auto restart of standing does not connect
It is acted after receiving pause instruction, so that domain prepared auto restart isolated fault of standing, restores the power supply of corresponding open loop website.
The control device of the region prepared auto restart of the present embodiment, when region prepared auto restart does not have operation condition or baulk
When, domain prepared auto restart of standing starting continues the power supply that fast quick-recovery corresponds to open loop website by domain prepared auto restart of standing, and avoids all decompression electricity
The equal decompression of factory can not be restored, and provide double shield for the safe operation of power grid.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (9)
1. a kind of control method of region prepared auto restart characterized by comprising
After the starting of region prepared auto restart, during communicating with the delay of station domain prepared auto restart isolated fault of connection, continue to institute
It states station domain prepared auto restart and sends pause instruction, acted by the station domain prepared auto restart according to the pause instruction pause；
After the region prepared auto restart acts successfully, blocking order is sent to the station domain prepared auto restart, by station domain prepared auto restart
It is failure to actuate according to blocking order locking；
When region prepared auto restart movement is failed, stop sending pause instruction to the station domain prepared auto restart, by the station domain
Prepared auto restart continues to act after not receiving the pause instruction；And instructed to station domain prepared auto restart sending action, by described
Domain prepared auto restart of standing continues to act after receiving the action command；
The starting time of the region prepared auto restart is not later than the starting time of the station domain prepared auto restart.
2. the control method of region prepared auto restart according to claim 1, which is characterized in that
The region prepared auto restart and station domain prepared auto restart respectively correspond preset entry condition, when reaching respective default starting
When condition, the region prepared auto restart is respectively started with station domain prepared auto restart.
3. the control method of region prepared auto restart according to claim 1, which is characterized in that
The region prepared auto restart movement includes that the region prepared auto restart does not have operation condition or the region prepared auto restart not successfully
Baulk.
4. the control method of region prepared auto restart according to claim 1, which is characterized in that
The region prepared auto restart is provided with control device, and the control device is used to carry out the station domain prepared auto restart in region
Control.
5. a kind of prepared auto restart control method characterized by comprising
After the starting of region prepared auto restart, during communicating with the delay of station domain prepared auto restart isolated fault of connection, continue to described
Domain prepared auto restart of standing sends pause instruction；
The station domain prepared auto restart is acted according to the pause instruction pause；
After the region prepared auto restart acts successfully, blocking order is sent to the station domain prepared auto restart；
The station domain prepared auto restart is failure to actuate according to blocking order locking；
When region prepared auto restart movement is failed, stop sending pause instruction to the station domain prepared auto restart；
The station domain prepared auto restart continues to act after not receiving the pause instruction；
And it is instructed to station domain prepared auto restart sending action；
The station domain prepared auto restart acts after receiving the action command；
The starting time of the region prepared auto restart is not later than the starting time of the station domain prepared auto restart.
6. a kind of control device of region prepared auto restart characterized by comprising
Whether detection module starts for detection zone prepared auto restart；
Control module, for after the detection module detects region prepared auto restart starting, at the station for communicating with connection
During the delay of domain prepared auto restart isolated fault, continue to send pause instruction to the station domain prepared auto restart, by station domain prepared auto restart
It is acted according to the pause instruction pause；And after the region prepared auto restart acts successfully, closed to station domain prepared auto restart transmission
Lock instruction is failure to actuate by the station domain prepared auto restart according to blocking order locking；
The control module is also used to stop broadcasting to station domain prepared auto restart when the region prepared auto restart acts failed
Pause instruction is acted after not receiving the pause instruction by the station domain prepared auto restart；And it is sent to the station domain prepared auto restart
Action command is acted after receiving the action command by the station domain prepared auto restart；The starting time of the region prepared auto restart
It is not later than the starting time of the station domain prepared auto restart.
7. a kind of prepared auto restart control system, at least one including region prepared auto restart and with region prepared auto restart communication connection
It stands domain prepared auto restart；The region prepared auto restart has the control device of region prepared auto restart as claimed in claim 6.
8. a kind of computer equipment, including memory and processor, the memory are stored with computer program, feature exists
In the step of processor realizes any one of claims 1 to 5 the method when executing the computer program.
9. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The step of processor realizes method described in any one of claims 1 to 5 when executing.
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| CN201610954301.7A CN106410954B (en) | 2016-11-03 | 2016-11-03 | The control method of region prepared auto restart, device and prepared auto restart control method, system |
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| CN105515169A (en) * | 2014-09-26 | 2016-04-20 | 南京南瑞继保电气有限公司 | Multilevel spare power automatic switching system, priority cooperation method, and construction method |
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