CN106992537A - A kind of power grid"black-start" method and device - Google Patents
A kind of power grid"black-start" method and device Download PDFInfo
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- CN106992537A CN106992537A CN201710195428.XA CN201710195428A CN106992537A CN 106992537 A CN106992537 A CN 106992537A CN 201710195428 A CN201710195428 A CN 201710195428A CN 106992537 A CN106992537 A CN 106992537A
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
- H02J3/32—Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
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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
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to a kind of power grid"black-start" method and device, methods described includes：The black starting-up power supply in fault zone is determined using the battery energy storage power station in fault zone；The control model of the black starting-up power supply is controlled, startup is preferentially activated unit；The technical scheme that the present invention is provided, black-start scheme is formulated using battery energy storage system, overcomes in traditional black-start scheme and self-excitation and the not enough defect of electric power feeding time length easily occurs, so as to comply with battery energy storage high capacity, the development trend of scale.
Description
Technical field
The present invention relates to storage energy operation control technology field, and in particular to a kind of Power Grid Black based on battery energy storage power station is opened
Dynamic method and device.
Background technology
So-called black starting-up is the recovery after power system full cut-off, just refers to that whole power network is being subjected to big disturbance or failure
And after occurrence of large-area power outage, the unit or system external power for having self-startup ability using internal system close on power network
Interconnection support and carry out progressively recovery system, finally realize the process of whole power system recovery normal operating condition.
Self-startup ability refers to that unit is within the defined time from stopped status in the case where no exterior power supply is supplied
Start and possess the ability to system power transmission.Energy-accumulating power station possesses self-startup ability, after the system failure, can promptly counterweight
Want load to power, the black starting-up of power network is participated in as black starting-up power supply.Chemistry In China and physical power source industry stored energy application branch
Joint issue《Chinese stored energy application industrial research reports (2016)》Point out, during " 13 ", domestic energy storage market will
Fast-developing trend is presented, battery energy storage such as lithium ion battery, flow battery answer emphasis 100MW grades of energy-accumulating power station technologies of tackling key problem,
Black starting-up power supply is made with battery energy storage power station and has complied with this development trend.
Traditional black-start scheme is to start fired power generating unit using Hydropower Unit mostly, and this can have problems with：First, water
Group of motors is general more remote, when putting into unloaded long line, due to the capacity effect of circuit, easily produces generator self-excitation and shows
As；Second, the successful self-starting of power station in itself has certain probability, it is likely that can be due to circuit question or operating time
It is long to cause power transmission to fail.
The content of the invention
The present invention provides a kind of power grid"black-start" method and device, and the purpose is to formulate black starting-up using battery energy storage system
Scheme, overcomes in traditional black-start scheme and self-excitation and the not enough defect of electric power feeding time length easily occurs, so as to comply with battery
Energy storage high capacity, the development trend of scale.
The purpose of the present invention is realized using following technical proposals：
A kind of power grid"black-start" method, it is theed improvement is that, including：
The black starting-up power supply in fault zone is determined using the battery energy storage power station in fault zone；
The control model of the black starting-up power supply is controlled, startup is preferentially activated unit.
It is preferred that, the battery energy storage power station in the utilization fault zone determines the black starting-up power supply in fault zone, bag
Include：
The maximum battery energy storage power station of fault zone inner capacities is selected as black starting-up main power source, remaining is electric in fault zone
Pond energy-accumulating power station is used as the auxiliary power supply of black starting-up.
It is preferred that, the preferential unit that is activated is met：Power needed for unit starting is not more than battery in fault zone and stored up
Energy power station EIAJ, unit power down time is less than 60 minutes；
And in desired unit is met, the unit that the black starting-up main power source of black starting-up power supply described in chosen distance is nearest is made
To be preferentially activated unit.
It is preferred that, the control model of the control black starting-up power supply, startup is preferentially activated unit, including：
The black starting-up main power source of the black starting-up power supply is controlled to be operated in VF patterns, to the preferential mother for being activated unit
Line puts into burning voltage and stablizes frequency；
Using the black starting-up main power source of the black starting-up power supply as balance nodes, the black starting-up of black starting-up power supply is accessed one by one
Auxiliary power supply, and control the auxiliary power work of black starting-up of black starting-up power supply being currently accessed in PQ patterns, put into fault zone
First order load and the preferential station-service electric load for being activated unit, up to the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is expired
Hair；
It is described it is preferential be activated unit starting and finish, the black starting-up main power source of the black starting-up power supply is preferentially opened with described
Motivation group asynchronous switch-on, and black starting-up main power source and the auxiliary power work of black starting-up are controlled in droop control pattern.
Further, the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed puts into one-level into fault zone every time and born
Lotus and the preferential summation of the station-service electric load of unit that is activated are no more than battery energy storage power station EIAJ in fault zone
5%.
Further, if the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed this put into fault zone it is negative
Lotus is T, then the load that the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is put into fault zone next time is T+T.
It is preferred that, in the control model of the control black starting-up power supply, startup is preferentially activated after unit, wrapped
Include：
Preferentially the failure unit that unit build down is activated on the build down path of unit is activated using described.
Further, it is determined that the build down path for being activated unit includes：
If being currently activated unit starting to finish, selection fault zone is currently activated the nearest machine of unit apart from described
Group is activated unit as next.
A kind of power grid"black-start" device, it is theed improvement is that, described device includes：
Determining module, for determining the black starting-up power supply in fault zone using the battery energy storage power station in fault zone；
Control module, the control model for controlling the black starting-up power supply, startup is preferentially activated unit.
It is preferred that, the determining module, including：
Determining unit, for selecting the maximum battery energy storage power station of fault zone inner capacities as black starting-up main power source, therefore
Remaining battery energy storage power station is used as the auxiliary power supply of black starting-up in barrier region.
It is preferred that, the control module, including：
First control unit, for controlling the black starting-up main power source of the black starting-up power supply to be operated in VF patterns, to described
The preferential bus for being activated unit puts into burning voltage and stablizes frequency；
Second control unit, for the black starting-up main power source of the black starting-up power supply, as balance nodes, to be accessed one by one
The auxiliary power supply of black starting-up of black starting-up power supply, and the auxiliary power work of black starting-up for the black starting-up power supply being currently accessed is controlled in PQ moulds
Formula, first order load and the preferential station-service electric load for being activated unit is put into fault zone, up to the black starting-up being currently accessed
The auxiliary power supply of black starting-up of power supply is completely sent out；
3rd control unit, for it is described it is preferential be activated unit starting and finish, the black starting-up master of the black starting-up power supply
Power supply is preferentially activated unit asynchronous switch-on, and control black starting-up main power source and the auxiliary power work of black starting-up in sagging control with described
Molding formula.
It is preferred that, in addition to：
Build down module, for the control model in the control black starting-up power supply, startup is preferentially activated machine
After group, preferentially the failure unit that unit build down is activated on the build down path of unit is activated using described.
Beneficial effects of the present invention：
Traditional black-start scheme is to start fired power generating unit using Hydropower Unit mostly, may be produced from exciting phenomena, and
The successful self-starting of power station in itself has certain probability, it is likely that long can be caused due to circuit question or operating time
Power transmission fails, and the technical scheme that the present invention is provided, and black-start scheme, the suitable main electricity of selection are formulated using battery energy storage system
Source is operated in VF patterns, and auxiliary power work can provide stable electric voltage frequency and sufficient startup power, overcome in PQ patterns
Easily there is the defect of self-excitation in traditional black-start scheme, meanwhile, energy-accumulating power station can participate in black starting-up at any time, during startup
Between it is short, electric power feeding time is shorter than Hydropower Unit, it is possible to reduce the grid power blackout time, as early as possible recover power network normally run, comply with
Battery energy storage high capacity, the development trend of scale.
Brief description of the drawings
Fig. 1 is a kind of flow chart of power grid"black-start" method of the invention；
Fig. 2 is the structural representation of battery energy storage power station in the embodiment of the present invention；
Fig. 3 is the regional power grid structural representation containing battery energy storage power station in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of power grid"black-start" device of the invention.
Embodiment
The embodiment to the present invention elaborates below in conjunction with the accompanying drawings.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The all other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
A kind of power grid"black-start" method that the present invention is provided, system reset mode is build down, i.e., recover high pressure first
And the power supply of possible middle-voltage network, former network structure is set up to greatest extent, is then progressively recovered load again, is stored up using battery
Energy system formulates black-start scheme, during recovery, starts black starting-up main power source first, it is established that stable voltage and frequency
Rate, gives nonloaded line charging, now accesses accessory power supply, and input is activated unit station-service load and important load.With load
Increase, accessory power supply preferentially completely sends out, and main power source plays a part of balance nodes, as shown in figure 1, including：
101. the black starting-up power supply in fault zone is determined using the battery energy storage power station in fault zone；
Wherein, battery energy storage power station is using LCL type wave filter and uses multiple battery packs framework in parallel, as shown in Figure 2；
102. the control model of the control black starting-up power supply, startup is preferentially activated unit；
Wherein, the preferential unit that is activated is met：Power needed for unit starting is not more than battery energy storage in fault zone
Power station EIAJ, unit power down time is less than 60 minutes；
And in desired unit is met, the unit that the black starting-up main power source of black starting-up power supply described in chosen distance is nearest is made
To be preferentially activated unit.
103. preferentially it is activated the failure machine that unit build down is activated on the build down path of unit using described
Group.
Wherein it is determined that the build down path for being activated unit includes：
If being currently activated unit starting to finish, selection fault zone is currently activated the nearest machine of unit apart from described
Group is activated unit as next.
Specifically, the step 101, including：
The maximum battery energy storage power station of fault zone inner capacities is selected as black starting-up main power source, remaining is electric in fault zone
Pond energy-accumulating power station is used as the auxiliary power supply of black starting-up.
After determining black starting-up power supply, the step 102, including：
The black starting-up main power source of the black starting-up power supply is controlled to be operated in VF patterns, to the preferential mother for being activated unit
Line puts into burning voltage and stablizes frequency；
Using the black starting-up main power source of the black starting-up power supply as balance nodes, the black starting-up of black starting-up power supply is accessed one by one
Auxiliary power supply, and control the auxiliary power work of black starting-up of black starting-up power supply being currently accessed in PQ patterns, put into fault zone
First order load and the preferential station-service electric load for being activated unit, up to the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is expired
Hair；
It is described it is preferential be activated unit starting and finish, the black starting-up main power source of the black starting-up power supply is preferentially opened with described
Motivation group asynchronous switch-on, and black starting-up main power source and the auxiliary power work of black starting-up are controlled in droop control pattern.
Wherein, the operation control strategy of battery energy storage power station includes：PQ is controlled, VF controls and droop control etc., PQ controls
It is active reactive control, belongs to Grid-connected Control Strategy, by controlling grid-connected current, fixed voltage and frequency is provided in main power source
In the case of, converted with dq and the method for grid-connected current closed-loop control realizes that, to active and idle uneoupled control, VF controls are electricity
FREQUENCY CONTROL is pressed, belongs to off-network control strategy, by controlling output voltage and frequency, with outer voltage, grid-connected current inner ring
Double-loop control strategy, it is possible to achieve the constant voltage of output and frequency, droop control is control energy storage inverter simulation tradition
Active-frequency curve in power network is P-F curves and idle-voltage curve i.e. control mode of Q-V curve adjustments characteristic, is passed through
The voltage and frequency of energy storage output end are detected, it is active and idle according to the output that droop characteristic adjusts energy-storage system.
Further, the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed puts into one-level into fault zone every time and born
Lotus and the preferential summation of the station-service electric load of unit that is activated are no more than battery energy storage power station EIAJ in fault zone
5%.
If this load put into fault zone of the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is T,
The load that the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is put into fault zone next time is T+T, i.e. black starting-up
Auxiliary power supply is put into after load every time, is increased auxiliary power supply and is exerted oneself, increment is equal to the size that this time puts into load.
The present invention provides a kind of embodiment of power grid"black-start" method, as shown in figure 3, utilizing three battery energy storage power station systems
Determine black-start scheme, including：
(1) its capacity maximum of energy-accumulating power station 1 is set, then selects energy-accumulating power station 1 to be used as black starting-up main power source.Energy-accumulating power station 2 and 3
It is used as the auxiliary power supply of black starting-up.Energy-accumulating power station 1 switches to VF control models, puts into power network, gives nonloaded line charging.
(2) energy-accumulating power station 2 is put into, PQ patterns are operated in.Slow input important load and station service, and increase energy-accumulating power station
2 power output is until full hair.
(3) energy-accumulating power station 3 is put into, continues to put into station-service load, with the increase of load, is stepped up energy-accumulating power station 3
Power output.Now energy-accumulating power station 1 balances the whole network power as balance nodes, maintains the constant voltage of power network and frequency.
(4) it is out of service to protect battery pack when the SOC of energy-accumulating power station 2 or 3 is less than 20%, by remaining energy storage electricity
Station undertakes whole loads.
(5) when be activated unit starting complete after, and busbar voltage, frequency, phase, phase sequence it is all identical when, closure
Thermal power plant boosting transformer breaker, makes to be activated unit and energy-accumulating power station realizes asynchronous switch-on, paired running.
(6) now energy-accumulating power station switches to droop control pattern, i.e. PF/QV controls are tracked by simulating synchronous generator
It is activated voltage and frequency that fired power generating unit is set up, it is ensured that the stabilization of voltage and frequency in system.
(7) by the way of build down, next station-service transformer breaker for being activated unit is closed, the factory is slowly put into
Station-service load, and recover the normal operation of more important loads.
(8) second are activated after unit starting success, and system asynchronous switch-on, paired running.When energy-accumulating power station 1
When SOC is less than 20%, due to having successfully started up fired power generating unit, system obtains certain power, for protection battery pack, storage
Energy power station is out of service.
(9) recover the power supply of load successively, gradually recover in power network the normal of whole units by the way of series connection recovers
Operation, and exit the operation of whole energy-accumulating power stations.
The present invention also provides a kind of power grid"black-start" device, as shown in figure 4, described device includes：
Determining module, for determining the black starting-up power supply in fault zone using the battery energy storage power station in fault zone；
Wherein, battery energy storage power station is using LCL type wave filter and uses multiple battery packs framework in parallel, as shown in Figure 2；
Control module, the control model for controlling the black starting-up power supply, startup is preferentially activated unit.
Wherein, the preferential unit that is activated is met：Power needed for unit starting is not more than battery energy storage in fault zone
Power station EIAJ, unit power down time is less than 60 minutes；
And in desired unit is met, the unit that the black starting-up main power source of black starting-up power supply described in chosen distance is nearest is made
To be preferentially activated unit.
Build down module, for being preferentially activated the build down road that unit build down is activated unit using described
Failure unit on footpath.
Wherein it is determined that the build down path for being activated unit includes：
If being currently activated unit starting to finish, selection fault zone is currently activated the nearest machine of unit apart from described
Group is activated unit as next.
Specifically, the determining module, including：
Determining unit, for selecting the maximum battery energy storage power station of fault zone inner capacities as black starting-up main power source, therefore
Remaining battery energy storage power station is used as the auxiliary power supply of black starting-up in barrier region.
The control module, including：
First control unit, for controlling the black starting-up main power source of the black starting-up power supply to be operated in VF patterns, to described
The preferential bus for being activated unit puts into burning voltage and stablizes frequency；
Second control unit, for the black starting-up main power source of the black starting-up power supply, as balance nodes, to be accessed one by one
The auxiliary power supply of black starting-up of black starting-up power supply, and the auxiliary power work of black starting-up for the black starting-up power supply being currently accessed is controlled in PQ moulds
Formula, first order load and the preferential station-service electric load for being activated unit is put into fault zone, up to the black starting-up being currently accessed
The auxiliary power supply of black starting-up of power supply is completely sent out；
3rd control unit, for it is described it is preferential be activated unit starting and finish, the black starting-up master of the black starting-up power supply
Power supply is preferentially activated unit asynchronous switch-on, and control black starting-up main power source and the auxiliary power work of black starting-up in sagging control with described
Molding formula.
Further, the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed puts into one-level into fault zone every time and born
Lotus and the preferential summation of the station-service electric load of unit that is activated are no more than battery energy storage power station EIAJ in fault zone
5%.
If this load put into fault zone of the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is T,
The load that the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is put into fault zone next time is T+T, i.e. black starting-up
Auxiliary power supply is put into after load every time, is increased auxiliary power supply and is exerted oneself, increment is equal to the size that this time puts into load.
It should be understood by those skilled in the art that, embodiments herein can be provided as method, system or computer program
Product.Therefore, the application can be using the reality in terms of complete hardware embodiment, complete software embodiment or combination software and hardware
Apply the form of example.Moreover, the application can be used in one or more computers for wherein including computer usable program code
The computer program production that usable storage medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.)
The form of product.
The application is the flow with reference to method, equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram are described.It should be understood that can be by every first-class in computer program instructions implementation process figure and/or block diagram
Journey and/or the flow in square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
The processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices is instructed to produce
A raw machine so that produced by the instruction of computer or the computing device of other programmable data processing devices for real
The device for the function of being specified in present one flow of flow chart or one square frame of multiple flows and/or block diagram or multiple square frames.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in the computer-readable memory, which is produced, to be included referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one square frame of block diagram or
The function of being specified in multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that in meter
Series of operation steps is performed on calculation machine or other programmable devices to produce computer implemented processing, thus in computer or
The instruction performed on other programmable devices is provided for realizing in one flow of flow chart or multiple flows and/or block diagram one
The step of function of being specified in individual square frame or multiple square frames.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
The present invention is described in detail with reference to above-described embodiment for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution, and without departing from any of spirit and scope of the invention
Modification or equivalent substitution, it all should cover within the claims of the present invention.
Claims (12)
1. a kind of power grid"black-start" method, it is characterised in that methods described includes：
The black starting-up power supply in fault zone is determined using the battery energy storage power station in fault zone；
The control model of the black starting-up power supply is controlled, startup is preferentially activated unit.
2. the method as described in claim 1, it is characterised in that the battery energy storage power station in the utilization fault zone determines event
Hinder the black starting-up power supply in region, including：
The maximum battery energy storage power station of fault zone inner capacities is selected as black starting-up main power source, remaining battery is stored up in fault zone
Energy power station is used as the auxiliary power supply of black starting-up.
3. the method as described in claim 1, it is characterised in that the preferential unit that is activated is met：Work(needed for unit starting
Rate is not more than battery energy storage power station EIAJ in fault zone, and unit power down time is less than 60 minutes；
And in desired unit is met, the nearest unit of the black starting-up main power source of black starting-up power supply described in chosen distance is as excellent
First it is activated unit.
4. the method as described in claim 1, it is characterised in that the control model of the control black starting-up power supply, starts
Unit preferentially is activated, including：
Control the black starting-up main power source of the black starting-up power supply to be operated in VF patterns, thrown to the preferential bus for being activated unit
Enter burning voltage and stablize frequency；
Using the black starting-up main power source of the black starting-up power supply as balance nodes, the auxiliary electricity of black starting-up of black starting-up power supply is accessed one by one
Source, and the auxiliary power work of black starting-up for controlling the black starting-up power supply being currently accessed puts into one-level into fault zone in PQ patterns
Load and the preferential station-service electric load for being activated unit, up to the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed completely is sent out；
It is described it is preferential be activated unit starting and finish, the black starting-up main power source of the black starting-up power supply is preferentially activated machine with described
Group asynchronous switch-on, and black starting-up main power source and the auxiliary power work of black starting-up are controlled in droop control pattern.
5. method as claimed in claim 4, it is characterised in that the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is each
First order load and the preferential summation of the station-service electric load of unit that is activated are put into fault zone no more than electricity in fault zone
The 5% of pond energy-accumulating power station EIAJ.
6. method as claimed in claim 4, it is characterised in that if the auxiliary power supply sheet of the black starting-up for the black starting-up power supply being currently accessed
The secondary load put into fault zone is T, then the auxiliary power supply of black starting-up for the black starting-up power supply being currently accessed is next time to failure
The load put into region is T+T.
7. the method as described in claim 1, it is characterised in that in the control model of the control black starting-up power supply, open
It is dynamic to be preferentially activated after unit, including：
Preferentially the failure unit that unit build down is activated on the build down path of unit is activated using described.
8. method as claimed in claim 7, it is characterised in that it is determined that the build down path for being activated unit includes：
If being currently activated unit starting to finish, selection fault zone is made apart from the current nearest unit of unit that is activated
Unit is activated to be next.
9. a kind of power grid"black-start" device based on battery energy storage power station, it is characterised in that described device includes：
Determining module, for determining the black starting-up power supply in fault zone using the battery energy storage power station in fault zone；
Control module, the control model for controlling the black starting-up power supply, startup is preferentially activated unit.
10. device as claimed in claim 9, it is characterised in that the determining module, including：
Determining unit, for selecting the maximum battery energy storage power station of fault zone inner capacities as black starting-up main power source, faulty section
Remaining battery energy storage power station is used as the auxiliary power supply of black starting-up in domain.
11. device as claimed in claim 9, it is characterised in that the control module, including：
First control unit, for controlling the black starting-up main power source of the black starting-up power supply to be operated in VF patterns, to described preferential
It is activated the bus input burning voltage of unit and stablizes frequency；
Second control unit, for as balance nodes, the black starting-up main power source of the black starting-up power supply to be accessed into black open one by one
The auxiliary power supply of black starting-up of dynamic power supply, and the auxiliary power work of black starting-up of black starting-up power supply that is currently accessed is controlled in PQ patterns, to
First order load is put into fault zone and the station-service electric load of unit is preferentially activated, until the black starting-up power supply being currently accessed
The auxiliary power supply of black starting-up is completely sent out；
3rd control unit, for it is described it is preferential be activated unit starting and finish, the black starting-up main power source of the black starting-up power supply
Preferentially unit asynchronous switch-on is activated, and control black starting-up main power source and the auxiliary power work of black starting-up in droop control mould with described
Formula.
12. device as claimed in claim 9, it is characterised in that also include：
Build down module, for the control model in the control black starting-up power supply, start it is preferential be activated unit it
Afterwards, preferentially it is activated the failure unit that unit build down is activated on the build down path of unit using described.
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| CN108281965A (en) * | 2018-02-08 | 2018-07-13 | 国网黑龙江省电力有限公司电力科学研究院 | Black starting-up service restoration method |
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| CN111953006B (en) * | 2019-05-14 | 2022-01-07 | 清华大学 | Black start method and system for power system |
| CN111064191A (en) * | 2019-12-27 | 2020-04-24 | 国网北京市电力公司 | Black start method and device for urban power grid |
| CN113098062A (en) * | 2021-04-12 | 2021-07-09 | 中国恩菲工程技术有限公司 | Method and device for controlling black start of microgrid, electronic equipment and storage medium |
| CN113595156A (en) * | 2021-07-30 | 2021-11-02 | 西安热工研究院有限公司 | Method for increasing robustness of energy storage system in black-start power supply recovery stage |
| CN113595155A (en) * | 2021-07-30 | 2021-11-02 | 西安热工研究院有限公司 | Stability analysis method for new energy storage black start control system |
| CN114825452A (en) * | 2022-06-29 | 2022-07-29 | 西安热工研究院有限公司 | Thermal power high-voltage direct-hanging energy storage black start system |
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