CN108377004A - Frequency modulation method and system are coordinated in wind storage based on virtual synchronous machine - Google Patents
Frequency modulation method and system are coordinated in wind storage based on virtual synchronous machine Download PDFInfo
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- CN108377004A CN108377004A CN201810366839.5A CN201810366839A CN108377004A CN 108377004 A CN108377004 A CN 108377004A CN 201810366839 A CN201810366839 A CN 201810366839A CN 108377004 A CN108377004 A CN 108377004A
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- 238000004146 energy storage Methods 0.000 claims abstract description 128
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- 238000012935 Averaging Methods 0.000 claims description 23
- 238000004590 computer program Methods 0.000 claims description 9
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Classifications
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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
- H02J3/46—Controlling of the sharing of output between the 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
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- H02J3/386—
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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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Abstract
The present invention provides a kind of wind storage coordination frequency modulation method and system based on virtual synchronous machine.The wind storage based on virtual synchronous machine coordinates frequency modulation method and includes：Input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, the change rate of system frequency, the virtual factor of inertia of central controller and Wind turbines rated power to wind field frequency modulation power module obtain wind field frequency modulation power；In input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, the change rate of system frequency, the virtual factor of inertia of Wind turbines virtual synchronous machine and Wind turbines rated power to Wind turbines frequency modulation power module, obtains Wind turbines frequency modulation power and distribute to Wind turbines virtual synchronous machine；Input wind field frequency modulation power, Wind turbines frequency modulation power and power command value obtain energy-storage system frequency modulation power to energy-storage system frequency modulation power module and distribute to multiple energy-storage systems, can improve power system frequency characteristic.
Description
Technical field
The present invention relates to virtual synchronous machine fields, and in particular, to a kind of wind storage coordination frequency modulation based on virtual synchronous machine
Method and system.
Background technology
Power system frequency is the important indicator for weighing electric power quality, since wind power output has short-time rating
Fluctuation, and the variable-speed wind-power unit of mainstream can not fluctuate system frequency offer inertial response, the frequency stabilization of system at present
Safety receives huge challenge.
In order to improve the frequency characteristic of system, virtual synchronous machine technology is applied in the control strategy of Wind turbines, wind-powered electricity generation
Unit virtual synchronous machine can when system frequency is fallen output power in short-term, participate in system frequency to make wind-powered electricity generation have and adjust
Ability.The power that Wind turbines export in short-term to system is according to the separate sources of residing wind speed interval in two parts：
(1) under normal wind speed, running of wind generating set, can be by reducing rotation speed of fan release in most strong wind power tracking pattern
Its rotation function stored；
(2) under high wind speed, Wind turbines export rated power, therefore can lead to by adjusting propeller pitch angle discard portion wind power
The wind power given up under release award setting is crossed to support system into line frequency.
But Wind turbines virtual synchronous machine participates in the problem of frequency modulation can lead to three aspects：1) Wind turbines participate in the branch of frequency modulation
Support power in extreme circumstances, i.e., when Wind turbines rotor speed is in minimum speed, available rotation function is zero；2) exist
In system frequency recovery process, the MPPT recovery policies of generally use will cause to generate electricity in Wind turbines rotating speed recovery process
Machine rotor accelerates to absorb active power, causes the unexpected drop of wind turbine output electromagnetic power, occurrence frequency is secondary to be fallen；3) wind-powered electricity generation
The operating status of each Wind turbines is distinct under different wind speed in, and the additivity and otherness of wind power output characteristic may
The above problem can be caused more serious.It is simple to mend because the power shortage of the secondary falling process of Wind turbines frequency is larger
Excessive stored energy capacitance can be consumed by repaying the secondary power magnitude of falling of Wind turbines frequency, not have economy.
Invention content
The main purpose of the embodiment of the present invention is to provide a kind of wind storage based on virtual synchronous machine and coordinates frequency modulation system, with
Power system frequency is adjusted in time, is avoided the frequency generation of Wind turbines is secondary from falling, is significantly improved new energy high permeability
The frequency characteristic of electric system saves energy storage cost of investment.
To achieve the goals above, the embodiment of the present invention provides a kind of wind storage coordination frequency modulation side based on virtual synchronous machine
Method, including：
Judge whether phase-locked loop frequency is in preset range；
When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
The variation of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；
Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power module
In, obtain energy-storage system frequency modulation power；
Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system frequency modulation power
It is averagely allocated to multiple energy-storage systems.
In wherein a kind of embodiment, wind field frequency modulation power is obtained by following wind field frequency modulation power module：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfIt is controlled for center
Device droop control coefficient processed,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor wind turbine
Group rated power.
In wherein a kind of embodiment, Wind turbines frequency modulation power is obtained by following Wind turbines frequency modulation power module：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind
Motor group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjIt is empty for Wind turbines virtual synchronous machine
Quasi- factor of inertia, PNFor Wind turbines rated power.
In wherein a kind of embodiment, energy-storage system frequency modulation power is obtained by following energy-storage system frequency modulation power module：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, Pbref
For power command value.
The embodiment of the present invention also provides a kind of wind storage coordination frequency modulation system based on virtual synchronous machine, including：
Judging unit, for judging whether phase-locked loop frequency is in preset range；
Model creating unit, for creating wind field frequency modulation power module, Wind turbines frequency modulation power module and energy-storage system
Frequency modulation power module；
Wind field frequency modulation power cell, for input electric power system nominal frequency, phase-locked loop frequency, the sagging control of central controller
Coefficient, the change rate of system frequency, the virtual factor of inertia of central controller and Wind turbines rated power processed are to wind field frequency modulation work(
In rate model, wind field frequency modulation power is obtained；
Wind turbines frequency modulation power cell, it is virtual for input electric power system nominal frequency, phase-locked loop frequency, Wind turbines
Synchronous machine droop control coefficient, the change rate of system frequency, the virtual factor of inertia of Wind turbines virtual synchronous machine and Wind turbines
In rated power to Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
Energy-storage system frequency modulation power cell, for inputting wind field frequency modulation power, Wind turbines frequency modulation power and power instruction
In value to energy-storage system frequency modulation power module, energy-storage system frequency modulation power is obtained；
Allocation unit will be stored up for Wind turbines frequency modulation power averaging to be distributed to multiple Wind turbines virtual synchronous machines
Energy system frequency modulation power averaging distributes to multiple energy-storage systems.
In wherein a kind of embodiment, wind field frequency modulation power is obtained by following wind field frequency modulation power module：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfIt is controlled for center
Device droop control coefficient processed,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor wind-powered electricity generation
Unit rated power.
In wherein a kind of embodiment, Wind turbines frequency modulation power is obtained by following Wind turbines frequency modulation power module：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind
Motor group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjIt is empty for Wind turbines virtual synchronous machine
Quasi- factor of inertia, PNFor Wind turbines rated power.
In wherein a kind of embodiment, energy-storage system frequency modulation power is obtained by following energy-storage system frequency modulation power module：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, Pbref
For power command value.
The embodiment of the present invention also provides a kind of computer equipment, including memory, processor and storage are on a memory simultaneously
The computer program that can be run on a processor, processor realize following steps when executing computer program：
Judge whether phase-locked loop frequency is in preset range；
When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
The variation of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；
Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power module
In, obtain energy-storage system frequency modulation power；
Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system frequency modulation power
It is averagely allocated to multiple energy-storage systems.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, computer
Following steps are realized when program is executed by processor：
Judge whether phase-locked loop frequency is in preset range；
When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
The variation of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；
Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power module
In, obtain energy-storage system frequency modulation power；
Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system frequency modulation power
It is averagely allocated to multiple energy-storage systems.
Frequency modulation method and system are coordinated in the wind storage based on virtual synchronous machine of the embodiment of the present invention, first judge phase-locked loop frequency
Whether preset range is in；When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines tune are created
Frequency power module and energy-storage system frequency modulation power module；Then input electric power system nominal frequency, phase-locked loop frequency, center control
Device droop control coefficient, the change rate of system frequency, the virtual factor of inertia of central controller and Wind turbines rated power are to wind
In the frequency modulation power module of field, wind field frequency modulation power is obtained；Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines are empty
Quasi- synchronous machine droop control coefficient, the change rate of system frequency, the virtual factor of inertia of Wind turbines virtual synchronous machine and wind turbine
In group rated power to Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；Input wind field frequency modulation power, wind-powered electricity generation
In unit frequency modulation power and power command value to energy-storage system frequency modulation power module, energy-storage system frequency modulation power is obtained；Finally will
Wind turbines frequency modulation power averaging distributes to multiple Wind turbines virtual synchronous machines, and energy-storage system frequency modulation power averaging is distributed to
Multiple energy-storage systems can adjust power system frequency in time, avoid the frequency generation of Wind turbines is secondary from falling, significantly change
The frequency characteristic of kind new energy high permeability electric system, saves energy storage cost of investment.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, embodiment will be described below
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow chart that frequency modulation method is coordinated in the wind storage based on virtual synchronous machine in the embodiment of the present invention；
Fig. 2 is the phase-locked loop frequency and energy storage direct compensation that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention
The comparison diagram for the phase-locked loop frequency that secondary frequency is fallen；
Fig. 3 is that the energy-storage system active power that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention and energy storage are straight
Connect the comparison diagram for compensating the energy-storage system active power that secondary frequency is fallen；
Fig. 4 is the power shortage and energy storage direct compensation two that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention
The power shortage contrast table that secondary frequencies fall；
Fig. 5 is the structure diagram that frequency modulation system is coordinated in the wind storage based on virtual synchronous machine in the embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Power system frequency can not be adjusted in time by coordinating frequency modulation method in view of current wind storage, cause the frequency of Wind turbines
Occur it is secondary fall, consume excessive stored energy capacitance, the embodiment of the present invention provides a kind of wind storage based on virtual synchronous machine and coordinates
Frequency modulation method can adjust power system frequency in time, avoid the frequency generation of Wind turbines is secondary from falling, significantly improve new
The frequency characteristic of energy high permeability electric system saves energy storage cost of investment.The present invention is carried out below in conjunction with attached drawing detailed
Explanation.
Fig. 1 is the flow chart that frequency modulation method is coordinated in the wind storage based on virtual synchronous machine.As shown in Figure 1, being based on virtual synchronous
The wind storage of machine coordinates frequency modulation method and includes：
S101：Judge whether phase-locked loop frequency is in preset range.
S102：When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation work(are created
Rate model and energy-storage system frequency modulation power module.
S103：Input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
Change rate, in the virtual factor of inertia of central controller and Wind turbines rated power to wind field frequency modulation power module, obtain wind
Field frequency modulation power.
S104：Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient,
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of system frequency are to Wind turbines tune
In frequency power module, Wind turbines frequency modulation power is obtained.
S105：Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power
In model, energy-storage system frequency modulation power is obtained.
S106：Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system tune
Frequency power averaging distributes to multiple energy-storage systems.
The center control that frequency modulation method can be applied to virtual synchronous machine is coordinated in wind storage shown in FIG. 1 based on virtual synchronous machine
Device processed.Flow as shown in Figure 1 is it is found that the present invention first judges whether phase-locked loop frequency is in preset range；Work as phase-locked loop frequency
When being not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power module and energy-storage system frequency modulation power are created
Model；Then the change of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field tune is obtained
Frequency power；Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to storage
In energy system frequency modulation power module, energy-storage system frequency modulation power is obtained；Finally Wind turbines frequency modulation power averaging is distributed to more
Energy-storage system frequency modulation power averaging is distributed to multiple energy-storage systems, can adjust electricity in time by a Wind turbines virtual synchronous machine
Force system frequency avoids the frequency generation of Wind turbines is secondary from falling, significantly improves new energy high permeability electric system
Frequency characteristic saves energy storage cost of investment.
Wherein, the preset range of phase-locked loop frequency is：More than or equal to 49.97Hz, it is less than or equal to 50.03Hz.Work as lock
When phase ring frequency is in preset range, power command value is averagely allocated to multiple energy-storage systems.
In one embodiment, S103 is specifically included：Wind field frequency modulation power is obtained by following wind field frequency modulation power module：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfIt is controlled for center
Device droop control coefficient processed,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor wind turbine
Group rated power.When it is implemented, central controller droop control COEFFICIENT KfOptimal value be 20, the virtual inertia of central controller
Coefficient TjOptimal value be 5.
In one embodiment, S104 is specifically included：Wind turbines frequency modulation is obtained by following Wind turbines frequency modulation power module
Power：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind
Motor group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjFor Wind turbines virtual synchronous machine
Virtual factor of inertia, PNFor Wind turbines rated power.When it is implemented, Wind turbines virtual synchronous machine droop control COEFFICIENT Kwf
Optimal value be 5, the virtual factor of inertia T of Wind turbines virtual synchronous machinewjOptimal value be 12.
In one embodiment, S105 is specifically included：Energy-storage system frequency modulation is obtained by following energy-storage system frequency modulation power module
Power：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, Pbref
For power command value.
Fig. 2 is the phase-locked loop frequency and energy storage direct compensation that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention
The comparison diagram for the phase-locked loop frequency that secondary frequency is fallen.As shown in Fig. 2, horizontal axis is the time, unit is the second (s)；The longitudinal axis is locking phase
Ring frequency fpll, unit is hertz (Hz).Curve a is the phase-locked loop frequency that falls of the secondary frequency of direct compensation, curve b be based on
The phase-locked loop frequency that the wind storage of virtual synchronous machine is coordinated.As shown in Fig. 2, applying in the power grid that wind-powered electricity generation installation accounting is 20%
In the environment of the load disturbance of 2% power system capacity, phase-locked loop frequency and direct compensation that the wind storage based on virtual synchronous machine is coordinated
The phase-locked loop frequency that secondary frequency is fallen is almost the same.The frequency minimum of two kinds of phase-locked loop frequencies is 49.914Hz, frequency
Steady-state value is 49.936Hz.
Fig. 3 is that the energy-storage system active power that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention and energy storage are straight
Connect the comparison diagram for compensating the energy-storage system active power that secondary frequency is fallen.As shown in figure 3, horizontal axis is the time, unit is the second
(s)；The longitudinal axis is active power, and unit is watt (W).Curve a is the energy-storage system active power that the secondary frequency of direct compensation is fallen,
Curve b is the energy-storage system active power that the wind storage based on virtual synchronous machine is coordinated.As shown in figure 3, in the operating mode of different wind speed
Under, the energy-storage system active power that the wind storage based on virtual synchronous machine is coordinated is significantly less than the storage that the secondary frequency of direct compensation is fallen
It can system active power.
Fig. 4 is the power shortage and energy storage direct compensation two that the wind storage based on virtual synchronous machine is coordinated in the embodiment of the present invention
The power shortage contrast table that secondary frequencies fall.As shown in figure 4, the mode of frequency regulation fallen with the secondary frequency of energy storage direct compensation frequency
It compares, the power shortage coordinated using the wind storage based on virtual synchronous machine in the embodiment of the present invention is obviously reduced.When wind speed is
When 6.2m/s, the power shortage that the secondary frequency of energy storage direct compensation is fallen is 2.9%, what the wind storage based on virtual synchronous machine was coordinated
Power shortage is 2.8%.When wind speed is 8.6m/s, the power shortage that the secondary frequency of energy storage direct compensation is fallen is 4.8%, base
It is 4.2% to store up the power shortage coordinated in the wind of virtual synchronous machine.When wind speed is 11.2m/s, energy storage direct compensation secondary frequency
The power shortage that rate is fallen is 5.9%, and the power shortage that the wind storage based on virtual synchronous machine is coordinated is 3.7%.It follows that storage
The power shortage maximum demand that the energy secondary frequency of direct compensation is fallen configures the energy storage of 5.9% wind field capacity, is based on virtual synchronous
The power shortage maximum demand that the wind storage of machine is coordinated configures the energy storage of 4.2% wind field capacity, and the present invention is opposite to have saved 29%
Energy storage, which is one kind, can promote and apply wind field frequency modulation means.
To sum up, the wind storage based on virtual synchronous machine of the embodiment of the present invention coordinates frequency modulation method by Wind turbines frequency modulation power
Wind turbines virtual synchronous machine is distributed to, it, can be in primary frequency modulation process by energy-storage system frequency modulation power distribution to energy-storage system
The rotor inertia of Wind turbines is made full use of, while passing through the optimal of all kinds of coefficients of virtual synchronous function control of Wind turbines
Value, avoids Wind turbines from undertaking the support power of primary frequency modulation starting stage completely, adjusts power system frequency in time, avoid wind
The frequency generation of motor group is secondary to be fallen, and is significantly improved the frequency characteristic of new energy high permeability electric system, is saved energy storage
Cost of investment.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of wind storage coordination frequency modulation based on virtual synchronous machine
System, since the principle that the system solves the problems, such as is similar to the wind storage coordination frequency modulation method based on virtual synchronous machine, this is
The implementation of system may refer to the implementation of method, and overlaps will not be repeated.
Fig. 5 is the structure diagram that frequency modulation system is coordinated in the wind storage based on virtual synchronous machine in the embodiment of the present invention.Such as Fig. 5 institutes
Show, the wind storage based on virtual synchronous machine coordinates frequency modulation system and includes：
Judging unit, for judging whether phase-locked loop frequency is in preset range；
Model creating unit, for creating wind field frequency modulation power module, Wind turbines frequency modulation power module and energy-storage system
Frequency modulation power module；
Wind field frequency modulation power cell, for input electric power system nominal frequency, phase-locked loop frequency, the sagging control of central controller
Coefficient, the change rate of system frequency, the virtual factor of inertia of central controller and Wind turbines rated power processed are to wind field frequency modulation work(
In rate model, wind field frequency modulation power is obtained；
Wind turbines frequency modulation power cell, it is virtual for input electric power system nominal frequency, phase-locked loop frequency, Wind turbines
Synchronous machine droop control coefficient, the change rate of system frequency, the virtual factor of inertia of Wind turbines virtual synchronous machine and Wind turbines
In rated power to Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
Energy-storage system frequency modulation power cell, for inputting wind field frequency modulation power, Wind turbines frequency modulation power and power instruction
In value to energy-storage system frequency modulation power module, energy-storage system frequency modulation power is obtained；
Allocation unit will be stored up for Wind turbines frequency modulation power averaging to be distributed to multiple Wind turbines virtual synchronous machines
Energy system frequency modulation power averaging distributes to multiple energy-storage systems.
In wherein a kind of embodiment, wind field frequency modulation power is obtained by following wind field frequency modulation power module：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfIt is controlled for center
Device droop control coefficient processed,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor wind turbine
Group rated power.
In wherein a kind of embodiment, Wind turbines frequency modulation power is obtained by following Wind turbines frequency modulation power module：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind
Motor group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjIt is empty for Wind turbines virtual synchronous machine
Quasi- factor of inertia, PNFor Wind turbines rated power.
In wherein a kind of embodiment, energy-storage system frequency modulation power is obtained by following energy-storage system frequency modulation power module：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, Pbref
For power command value.
To sum up, the wind storage based on virtual synchronous machine of the embodiment of the present invention coordinates frequency modulation system by Wind turbines frequency modulation power
Wind turbines virtual synchronous machine is distributed to, it, can be in primary frequency modulation process by energy-storage system frequency modulation power distribution to energy-storage system
The rotor inertia for making full use of Wind turbines, adjusts power system frequency in time, avoids the frequency of Wind turbines that secondary fall occurs
It falls, significantly improves the frequency characteristic of new energy high permeability electric system, save energy storage cost of investment.
The embodiment of the present invention additionally provides a kind of computer equipment, including memory, processor and storage are on a memory
And the computer program that can be run on a processor, processor realize following steps when executing computer program：
Judge whether phase-locked loop frequency is in preset range；
When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
The variation of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；
Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power module
In, obtain energy-storage system frequency modulation power；
Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system frequency modulation power
It is averagely allocated to multiple energy-storage systems.
To sum up, the computer equipment of the embodiment of the present invention gives Wind turbines frequency modulation power distribution to Wind turbines virtual synchronous
Machine can make full use of the rotor of Wind turbines by energy-storage system frequency modulation power distribution to energy-storage system in primary frequency modulation process
Inertia adjusts power system frequency in time, avoids the frequency generation of Wind turbines is secondary from falling, it is hypertonic significantly to improve new energy
The frequency characteristic of saturating rate electric system, saves energy storage cost of investment.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored thereon with computer program, calculates
Machine program realizes following steps when being executed by processor：
Judge whether phase-locked loop frequency is in preset range；
When phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
The variation of input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency
In the virtual factor of inertia of rate, central controller and Wind turbines rated power to wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input electric power system nominal frequency, phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, system frequency
Change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of rate are to Wind turbines frequency modulation power
In model, Wind turbines frequency modulation power is obtained；
Wind field frequency modulation power, Wind turbines frequency modulation power and power command value are inputted to energy-storage system frequency modulation power module
In, obtain energy-storage system frequency modulation power；
Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by energy-storage system frequency modulation power
It is averagely allocated to multiple energy-storage systems.
To sum up, the computer readable storage medium of the embodiment of the present invention by Wind turbines frequency modulation power distribution to Wind turbines
Virtual synchronous machine can make full use of wind turbine by energy-storage system frequency modulation power distribution to energy-storage system in primary frequency modulation process
The rotor inertia of group, adjusts power system frequency in time, avoids the frequency generation of Wind turbines is secondary from falling, significantly improves new
The frequency characteristic of energy high permeability electric system saves energy storage cost of investment.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical solution and advantageous effect
Describe in detail it is bright, it should be understood that the above is only a specific embodiment of the present invention, the guarantor being not intended to limit the present invention
Range is protected, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in this
Within the protection domain of invention.
Claims (10)
1. frequency modulation method is coordinated in a kind of wind storage based on virtual synchronous machine, which is characterized in that including：
Judge whether phase-locked loop frequency is in preset range；
When the phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
Input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency change rate,
In the virtual factor of inertia of central controller and Wind turbines rated power to the wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input the electric system rated frequency, the phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, institute
The change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of system frequency are stated to described
In Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
The wind field frequency modulation power, the Wind turbines frequency modulation power and power command value are inputted to the energy-storage system frequency modulation work(
In rate model, energy-storage system frequency modulation power is obtained；
The Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by the energy-storage system frequency modulation
Power averaging distributes to multiple energy-storage systems.
2. frequency modulation method is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that by as follows
Wind field frequency modulation power module obtains wind field frequency modulation power：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfFor central controller
Droop control coefficient,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor Wind turbines volume
Determine power.
3. frequency modulation method is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that by as follows
Wind turbines frequency modulation power module obtains Wind turbines frequency modulation power：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind turbine
Group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjVirtually it is used to for Wind turbines virtual synchronous machine
Coefficient of discharge, PNFor Wind turbines rated power.
4. frequency modulation method is coordinated in the wind storage according to claim 1 based on virtual synchronous machine, which is characterized in that by as follows
Energy-storage system frequency modulation power module obtains energy-storage system frequency modulation power：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, PbrefFor work(
Rate command value.
5. frequency modulation system is coordinated in a kind of wind storage based on virtual synchronous machine, which is characterized in that including：
Judging unit, for judging whether phase-locked loop frequency is in preset range；
Model creating unit, for creating wind field frequency modulation power module, Wind turbines frequency modulation power module and energy-storage system frequency modulation
Power module；
Wind field frequency modulation power cell, for input electric power system nominal frequency, phase-locked loop frequency, central controller droop control system
Number, the change rate of system frequency, the virtual factor of inertia of central controller and Wind turbines rated power are to the wind field frequency modulation work(
In rate model, wind field frequency modulation power is obtained；
Wind turbines frequency modulation power cell, for inputting the electric system rated frequency, the phase-locked loop frequency, Wind turbines
Virtual synchronous machine droop control coefficient, the change rate of the system frequency, the virtual factor of inertia of Wind turbines virtual synchronous machine and
In the Wind turbines rated power to the Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
Energy-storage system frequency modulation power cell, for inputting the wind field frequency modulation power, the Wind turbines frequency modulation power and power
In command value to the energy-storage system frequency modulation power module, energy-storage system frequency modulation power is obtained；
Allocation unit, for the Wind turbines frequency modulation power averaging to be distributed to multiple Wind turbines virtual synchronous machines, by institute
It states energy-storage system frequency modulation power averaging and distributes to multiple energy-storage systems.
6. frequency modulation system is coordinated in the wind storage according to claim 5 based on virtual synchronous machine, which is characterized in that by as follows
Wind field frequency modulation power module obtains wind field frequency modulation power：
Wherein, PfFor wind field frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KfFor central controller
Droop control coefficient,For the change rate of system frequency, TjFor the virtual factor of inertia of central controller, PNFor Wind turbines volume
Determine power.
7. frequency modulation system is coordinated in the wind storage according to claim 5 based on virtual synchronous machine, which is characterized in that by as follows
Wind turbines frequency modulation power module obtains Wind turbines frequency modulation power：
Wherein, PwfFor Wind turbines frequency modulation power, fNFor electric system rated frequency, fpllFor phase-locked loop frequency, KwfFor wind turbine
Group virtual synchronous machine droop control coefficient,For the change rate of system frequency, TwjVirtually it is used to for Wind turbines virtual synchronous machine
Coefficient of discharge, PNFor Wind turbines rated power.
8. frequency modulation system is coordinated in the wind storage according to claim 5 based on virtual synchronous machine, which is characterized in that by as follows
Energy-storage system frequency modulation power module obtains energy-storage system frequency modulation power：
Pbf=Pf-Pwf+Pbref；
Wherein, PbfFor energy-storage system frequency modulation power, PfFor wind field frequency modulation power, PwfFor Wind turbines frequency modulation power, PbrefFor work(
Rate command value.
9. a kind of computer equipment, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, which is characterized in that the processor realizes following steps when executing the computer program：
Judge whether phase-locked loop frequency is in preset range；
When the phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
Input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency change rate,
In the virtual factor of inertia of central controller and Wind turbines rated power to the wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input the electric system rated frequency, the phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, institute
The change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of system frequency are stated to described
In Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
The wind field frequency modulation power, the Wind turbines frequency modulation power and power command value are inputted to the energy-storage system frequency modulation work(
In rate model, energy-storage system frequency modulation power is obtained；
The Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by the energy-storage system frequency modulation
Power averaging distributes to multiple energy-storage systems.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program
Following steps are realized when being executed by processor：
Judge whether phase-locked loop frequency is in preset range；
When the phase-locked loop frequency is not at preset range, wind field frequency modulation power module, Wind turbines frequency modulation power mould are created
Type and energy-storage system frequency modulation power module；
Input electric power system nominal frequency, phase-locked loop frequency, central controller droop control coefficient, system frequency change rate,
In the virtual factor of inertia of central controller and Wind turbines rated power to the wind field frequency modulation power module, wind field frequency modulation is obtained
Power；
Input the electric system rated frequency, the phase-locked loop frequency, Wind turbines virtual synchronous machine droop control coefficient, institute
The change rate, the virtual factor of inertia of Wind turbines virtual synchronous machine and the Wind turbines rated power of system frequency are stated to described
In Wind turbines frequency modulation power module, Wind turbines frequency modulation power is obtained；
The wind field frequency modulation power, the Wind turbines frequency modulation power and power command value are inputted to the energy-storage system frequency modulation work(
In rate model, energy-storage system frequency modulation power is obtained；
The Wind turbines frequency modulation power averaging is distributed into multiple Wind turbines virtual synchronous machines, by the energy-storage system frequency modulation
Power averaging distributes to multiple energy-storage systems.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987742A (en) * | 2020-07-29 | 2020-11-24 | 明阳智慧能源集团股份公司 | Wind turbine generator virtual inertia control method and system, storage medium and computing device |
| CN112600229A (en) * | 2021-03-08 | 2021-04-02 | 沈阳微控新能源技术有限公司 | Magnetic suspension flywheel energy storage array system for island power grid and control method thereof |
| CN112600226A (en) * | 2020-11-24 | 2021-04-02 | 国网河北省电力有限公司电力科学研究院 | Configuration method, device, equipment and storage medium for energy storage capacity of new energy station |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310306A (en) * | 2013-06-18 | 2013-09-18 | 国家电网公司 | Monitoring and managing system and monitoring and managing method for wind power storing station comprehensive information |
| CN104065093A (en) * | 2014-07-03 | 2014-09-24 | 东华大学 | Wind-storage coordinated prediction control method based on low-pass filtering |
| WO2014201849A1 (en) * | 2013-06-18 | 2014-12-24 | 国网辽宁省电力有限公司电力科学研究院 | Method for actively optimizing, adjusting and controlling distributed wind power plant provided with energy-storage power station |
| WO2015054878A1 (en) * | 2013-10-18 | 2015-04-23 | 中国电力科学研究院 | Change rate-based method and system for controlling energy storage power station in smoothing wind/light fluctuations |
| CN105006834A (en) * | 2015-06-10 | 2015-10-28 | 合肥工业大学 | Optimal virtual inertia control method based on virtual synchronous generator |
| CN105515022A (en) * | 2016-01-20 | 2016-04-20 | 西南交通大学 | Virtual double-fed induction generator inertia control method coordinated with secondary frequency regulation |
| WO2016082070A1 (en) * | 2014-11-24 | 2016-06-02 | Abb Technology Ltd | Method for black starting wind turbine, wind farm, and restoring wind farm and wind turbine, wind farm using the same |
| CN106227950A (en) * | 2016-07-26 | 2016-12-14 | 三峡大学 | A kind of Wind turbines primary frequency control system dynamic response modeling method based on pitch control |
| CN106532746A (en) * | 2016-12-27 | 2017-03-22 | 北京四方继保自动化股份有限公司 | Control system for participation of wind power plant in primary frequency modulation and implementation method |
| CN106910142A (en) * | 2017-02-17 | 2017-06-30 | 三峡大学 | A kind of power system frequency characteristic computing method containing the active frequency coupling of wind-powered electricity generation |
| CN107171368A (en) * | 2017-07-19 | 2017-09-15 | 国家电网公司 | The wind-power electricity generation primary frequency function implementation method controlled based on wind power |
| CN107465212A (en) * | 2017-09-25 | 2017-12-12 | 江苏大学 | Wind turbines microgrid operation virtual inertia control system and method based on virtual synchronous generator techniques |
| CN107658899A (en) * | 2017-09-15 | 2018-02-02 | 上海电力学院 | A kind of wind-light-diesel microgrid frequency control method for coordinating |
| CN107887926A (en) * | 2017-11-07 | 2018-04-06 | 国网江苏省电力公司盐城供电公司 | A kind of garden type load virtual synchronous machine coordinated control system |
-
2018
- 2018-04-23 CN CN201810366839.5A patent/CN108377004B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310306A (en) * | 2013-06-18 | 2013-09-18 | 国家电网公司 | Monitoring and managing system and monitoring and managing method for wind power storing station comprehensive information |
| WO2014201849A1 (en) * | 2013-06-18 | 2014-12-24 | 国网辽宁省电力有限公司电力科学研究院 | Method for actively optimizing, adjusting and controlling distributed wind power plant provided with energy-storage power station |
| WO2015054878A1 (en) * | 2013-10-18 | 2015-04-23 | 中国电力科学研究院 | Change rate-based method and system for controlling energy storage power station in smoothing wind/light fluctuations |
| CN104065093A (en) * | 2014-07-03 | 2014-09-24 | 东华大学 | Wind-storage coordinated prediction control method based on low-pass filtering |
| WO2016082070A1 (en) * | 2014-11-24 | 2016-06-02 | Abb Technology Ltd | Method for black starting wind turbine, wind farm, and restoring wind farm and wind turbine, wind farm using the same |
| CN105006834A (en) * | 2015-06-10 | 2015-10-28 | 合肥工业大学 | Optimal virtual inertia control method based on virtual synchronous generator |
| CN105515022A (en) * | 2016-01-20 | 2016-04-20 | 西南交通大学 | Virtual double-fed induction generator inertia control method coordinated with secondary frequency regulation |
| CN106227950A (en) * | 2016-07-26 | 2016-12-14 | 三峡大学 | A kind of Wind turbines primary frequency control system dynamic response modeling method based on pitch control |
| CN106532746A (en) * | 2016-12-27 | 2017-03-22 | 北京四方继保自动化股份有限公司 | Control system for participation of wind power plant in primary frequency modulation and implementation method |
| CN106910142A (en) * | 2017-02-17 | 2017-06-30 | 三峡大学 | A kind of power system frequency characteristic computing method containing the active frequency coupling of wind-powered electricity generation |
| CN107171368A (en) * | 2017-07-19 | 2017-09-15 | 国家电网公司 | The wind-power electricity generation primary frequency function implementation method controlled based on wind power |
| CN107658899A (en) * | 2017-09-15 | 2018-02-02 | 上海电力学院 | A kind of wind-light-diesel microgrid frequency control method for coordinating |
| CN107465212A (en) * | 2017-09-25 | 2017-12-12 | 江苏大学 | Wind turbines microgrid operation virtual inertia control system and method based on virtual synchronous generator techniques |
| CN107887926A (en) * | 2017-11-07 | 2018-04-06 | 国网江苏省电力公司盐城供电公司 | A kind of garden type load virtual synchronous machine coordinated control system |
Non-Patent Citations (3)
| Title |
|---|
| HENG WU等: "Small-Signal Modeling and Parameters Design for Virtual Synchronous Generators", IEEE * |
| 占伟强;吴振兴;邢鹏翔;周亮;: "虚拟同步发电机及其在独立型微电网中的应用", 电机与控制应用, no. 04 * |
| 胡泽春等: "考虑储能参与调频的风储联合运行优化策略", 电网技术 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111987742A (en) * | 2020-07-29 | 2020-11-24 | 明阳智慧能源集团股份公司 | Wind turbine generator virtual inertia control method and system, storage medium and computing device |
| CN112600226A (en) * | 2020-11-24 | 2021-04-02 | 国网河北省电力有限公司电力科学研究院 | Configuration method, device, equipment and storage medium for energy storage capacity of new energy station |
| CN112600229A (en) * | 2021-03-08 | 2021-04-02 | 沈阳微控新能源技术有限公司 | Magnetic suspension flywheel energy storage array system for island power grid and control method thereof |
| CN112600229B (en) * | 2021-03-08 | 2021-06-22 | 沈阳微控新能源技术有限公司 | Magnetic suspension flywheel energy storage array system for island power grid and control method thereof |
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