CN109617141A - The active output smoothing control method and device of wind power plant - Google Patents
The active output smoothing control method and device of wind power plant Download PDFInfo
- Publication number
- CN109617141A CN109617141A CN201811515382.6A CN201811515382A CN109617141A CN 109617141 A CN109617141 A CN 109617141A CN 201811515382 A CN201811515382 A CN 201811515382A CN 109617141 A CN109617141 A CN 109617141A
- Authority
- CN
- China
- Prior art keywords
- power plant
- wind power
- energy storage
- storage device
- wind
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000009499 grossing Methods 0.000 title claims abstract description 21
- 238000004146 energy storage Methods 0.000 claims abstract description 166
- 230000033228 biological regulation Effects 0.000 claims abstract description 60
- 230000005611 electricity Effects 0.000 claims abstract description 25
- 238000004422 calculation algorithm Methods 0.000 claims abstract description 19
- 230000001052 transient effect Effects 0.000 claims description 49
- 238000004891 communication Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 11
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000007619 statistical method Methods 0.000 abstract description 5
- 230000001276 controlling effect Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000007630 basic procedure Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010019133 Hangover Diseases 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 244000131316 Panax pseudoginseng Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- 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
- H02J3/48—Controlling the sharing of the in-phase component
-
- 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
-
- H02J3/386—
-
- 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]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The embodiment of the present invention provides a kind of active output smoothing control method and device of wind power plant, which comprises utilizes the power output fluctuation tendency of the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm；It is determining according to the power output fluctuation tendency of the wind power plant and to execute corresponding energy-storage system wind-powered electricity generation smoothly tactful.Smith prediction is used in the control of wind power plant by the characteristic that large dead time is integrally presented according to wind power station control system for the embodiment of the present invention, it can guarantee the stability that wind electric field blower is integrally contributed, simultaneously, it is for statistical analysis according to the history control result data to wind power plant, energy-storage system carries out optimizing regulation compensation in advance according to the analysis result, improve regulate and control speed, precision while, reduce energy storage device regulation frequency and regulation amount, it can be achieved that power grid and wind power plant two-win.
Description
Technical field
The present embodiments relate to technical field of wind power generation, more particularly, to a kind of active output smoothing of wind power plant
Control method and device.
Background technique
Wind energy has become one of main clean energy resource in the world, but wind-power electricity generation has intermittence, fluctuation, with season
The features such as variation, concentrate on a large scale it is grid-connected will cause grid generation and load deviation, the problems such as frequency is unstable.Smooth wind power field
Output power is extremely important with reducing the problem of large-scale wind power integration causes.
Energy-storage system can make up for it the natural unstable characteristic of new energy, to can with smoothing power, improve power quality
Energy storage provides development space.The necessity of energy storage technology is embodied in guarantee power grid security, realizes system-wide energy management, connects
It receives renewable energy, optimizes the configuration of equipment, improves the efficiency of the whole network；Energy-storage system is compared to traditional peak regulation, frequency modulation, rotation simultaneously
Turn stand-by equipment, fast and accurately responsiveness and high efficiency etc. have outstanding advantage.At two aspect of new energy and energy storage
Under the background of high speed development, in order to improve the stability of new energy power station power output, there is wind power plant, energy storage device coordinated control
This concept.
The regulation of wind power plant is regulated to mainstream control method with simple PID at present.Energy storage device is worked as according to wind power plant simultaneously
Preceding power output adjusts energy storage device charge and discharge.But current energy-storage system can only passively make up wind power plant overall output power
In disturb, cannot realize higher synchronism with output of wind electric field, therefore energy-storage system does not have the rejection ability of disturbance
Adequately embodied.Meanwhile since the inertial element in wind power plant control process is inevitable in control theory
Presence, therefore have the defects that for the PID control method of Correction for Large Dead Time System routine certain, in part, adjustment parameter is abnormal
Electric field will cause electric field integrally contribute concussion the case where, potential threat is caused to the safety of power grid and electric field itself.
Summary of the invention
The embodiment of the present invention, which provides, a kind of overcomes the above problem or the wind power plant at least being partially solved the above problem to have
Function output smoothing control method and device.
In a first aspect, the embodiment of the present invention provides a kind of active output smoothing control method of wind power plant, comprising:
Utilize the power output fluctuation tendency of the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm；
It is determining according to the power output fluctuation tendency of the wind power plant and to execute corresponding energy-storage system wind-powered electricity generation smoothly tactful.
Second aspect, the embodiment of the present invention provide a kind of active output smoothing control device of wind power plant, comprising:
Prediction module, for going out Reeb using the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm
Dynamic trend；
Execution module, it is determining for the power output fluctuation tendency according to the wind power plant and execute corresponding energy-storage system wind-powered electricity generation
Smooth strategy.
The third aspect, the embodiment of the present invention provides a kind of electronic equipment, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, is realized when the processor executes described program as first aspect provides
Wind power plant active output smoothing control method the step of.
Fourth aspect, the embodiment of the present invention provide a kind of non-transient computer readable storage medium, are stored thereon with calculating
Machine program realizes the active output smoothing control of the wind power plant as provided by first aspect when the computer program is executed by processor
The step of method.
The active output smoothing control method and device of wind power plant provided in an embodiment of the present invention, according to wind power station control system
Smith prediction is used in the control of wind power plant by the whole characteristic that large dead time is presented, it is ensured that wind electric field blower is integrally contributed
Stability, meanwhile, for statistical analysis according to the history control result data to wind power plant, energy-storage system is according to the analysis knot
Fruit carries out optimizing regulation compensation in advance and reduces the regulation frequency and tune of energy storage device while improving speed, precision
Control amount, it can be achieved that power grid and wind power plant two-win.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow diagram of the active output smoothing control method of wind power plant provided in an embodiment of the present invention；
Fig. 2 is the realization schematic diagram of energy-storage system smooth control strategy provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the active output smoothing control device of wind power plant provided in an embodiment of the present invention；
Fig. 4 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the flow diagram of the active output smoothing control method of wind power plant provided in an embodiment of the present invention, as schemed institute
Show, comprising:
Step 100 is become using the fluctuation that goes out of the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm
Gesture；
Since electricity consumption side electricity consumption constantly changes during wind power plant day-to-day operation, wind power plant day-to-day operation is one
In a transient process constantly regulate.From control theory, inevitably due to the inertial element in wind power plant control process
In the presence of, and for Correction for Large Dead Time System, conventional PID control method haves the defects that certain.The embodiment of the present invention is used and is based on
The wind power plant Controlling model of Smith prediction algorithm realizes the control to the active output of wind power plant.Wind based on Smith prediction algorithm
Electric field controls model refers to the PID predictive controller based on Smith predictor.
It is counted by the history control result data to the wind power plant Controlling model based on Smith prediction algorithm
Analysis, obtains the power output fluctuation tendency of wind power plant.Go out going out for force data prediction subsequent time using the history at preceding several moment
Power, and then obtain the power output fluctuation tendency of wind power plant.
Step 101, determining according to the power output fluctuation tendency of the wind power plant and to execute corresponding energy-storage system wind-powered electricity generation smooth
Strategy.
Since blower regulates and controls subsystem and energy storage regulation subsystem, there are huge differences from regulation speed and precision
It is different, fast and accurately reach power station stable state to realize, needs to coordinate two sets of subsystems according to the power output fluctuation tendency of wind power plant
Adjust allocation strategy.Traditional power station energy-storage system is typically in charged state, when windfarm system needs urgent load up
When spare electricity is provided.Energy storage device then charges to it when being not under full load condition.This method can satisfy
The valley-fill demand of peak-load regulation, but and underuse the characteristic of energy storage.
In order to make full use of the characteristic of energy storage, the embodiment of the present invention is directed to the power output fluctuation tendency of different wind power plants, formulates
Corresponding energy-storage system wind-powered electricity generation is smoothly tactful.
The basic procedure that energy-storage system smooth wind power is contributed in the embodiment of the present invention is as follows: going out fluctuation according to wind power plant
Trend determines energy-storage system initial power plan, corrected by STATE FEEDBACK CONTROL, the finally energy storage inside energy-storage system
Equipment room carries out power distribution, determines the charge and discharge instruction of each energy storage device.
The active output smoothing control method of wind power plant provided in an embodiment of the present invention is integrally according to wind power station control system
Smith prediction is used in the control of wind power plant by the characteristic of existing large dead time, it is ensured that the stabilization that wind electric field blower is integrally contributed
Property, meanwhile, for statistical analysis according to the history control result data to wind power plant, energy-storage system is carried out according to the analysis result
Optimizing regulation compensates in advance, while improving speed, precision, reduces the regulation frequency and regulation amount of energy storage device,
The two-win of power grid and wind power plant can be achieved.
Content based on the above embodiment, the power output fluctuation tendency according to the wind power plant is determining and executes corresponding
The step of the smooth strategy of energy-storage system wind-powered electricity generation, specifically:
Energy storage device in energy-storage system is allocated, the energy storage device for being partially in full load condition is made and all is in
The energy storage device of light condition participates in the transient state regulation of wind power plant, and the energy storage device for making remainder be in full load condition participates in adjusting
Peak load；
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load up, that improves Wind turbines has
Function output, and the energy storage device in full load condition for participating in transient state regulation is made to improve active output；Alternatively,
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load down, and if judging to know participation
The energy storage device of peak-clipping and valley-filling is completely in full load condition and determines the energy storage device in full load condition for participating in transient state regulation
It is all fully loaded, then reduce the active output of Wind turbines, and make to participate in the energy storage device in light condition of transient state regulation into
Row energy storage charging.
In the embodiment of the present invention, the energy storage device in energy-storage system is allocated, makes the energy storage device in energy-storage system
It is mostly in full load condition, fraction is in light condition, and the energy storage device of the fully loaded and all zero load of part participates in
In the transient state regulation of wind power plant, for improving output of wind electric field adjustment speed and precision.And the energy storage device of remaining fully loaded part
It then waits in peak-clipping and valley-filling and using.
In one embodiment, the ratio for participating in the energy storage device of transient state regulation can be determined according to the actual needs of wind power plant
Example.
The energy storage device for participating in transient state regulation is preferentially adjusted in adjustment process, that is, needs preferentially to discharge in the case where load up
It participates in being set in peak-clipping and valley-filling with energy storage the case where being fully loaded with the active of energy storage device in the energy storage device of transient state regulation, need load down
The full-scale equipment of energy transient state regulation is preferentially filled under the premise of for being fully loaded with.
Specifically, if the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load up, wind-powered electricity generation is improved
The active output of unit, while the energy storage device in full load condition for participating in transient state regulation being made to improve active output.
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load down, and if judging to know participation
The energy storage device of peak-clipping and valley-filling is completely in full load condition and determines that the fully loaded energy storage device for participating in transient state regulation is all fully loaded, then
The active output of Wind turbines is reduced, and the energy storage device in light condition for participating in transient state regulation is made to carry out energy storage charging；
Alternatively,
If knowing that wind power plant needs load down according to the power output fluctuation tendency of the wind power plant, and participation peak regulation is known in judgement
Valley-fill energy storage device is not completely in full load condition, then so that the energy storage device for participating in peak-clipping and valley-filling is carried out energy storage and fill
Electricity；Alternatively,
If knowing that wind power plant needs load down according to the power output fluctuation tendency of the wind power plant, and participation peak regulation is known in judgement
Valley-fill energy storage device is completely in full load condition, and determines the fully loaded energy storage device for participating in transient state regulation without all full
It carries, then the full load condition energy storage device for participating in transient state regulation is made to carry out energy storage charging.
Content based on the various embodiments described above, it is described that corresponding energy storage is selected according to the power output fluctuation tendency of the wind power plant
After the step of the smooth strategy of system wind-powered electricity generation, further includes:
When the active output of wind power plant reaches stable state, to participation transient state tune in energy-storage system in a manner of constantly finely tuning unit
The energy storage device of section carries out active displacement.
Specifically, when active control system for wind power field reaches stable state, i.e., the active distribution demand that is equal to of output is active in station, then
Power station needs that current power output is maintained to remain unchanged.It may due to preferentially adjusting energy storage device before for raising power grid adjustment speed
Lead between energy storage device and Wind turbines that there are part energy storage devices not to be in optimum control state, then needs guaranteeing electricity
It nets under stable basis, by the active displacement of energy storage device in a manner of constantly finely tuning unit, energy storage device is made to be in optimal work
Make state, to improve the response speed that transient state is adjusted next time.
As shown in Fig. 2, being the realization schematic diagram of energy-storage system smooth control strategy provided in an embodiment of the present invention.To energy storage
Energy storage device in system is allocated, and makes the energy storage device for being partially in full load condition and all energy storage in light condition
Equipment participates in the transient state regulation of wind power plant, and the energy storage device for making remainder be in full load condition participates in peak-clipping and valley-filling；If according to
The power output fluctuation tendency of the wind power plant knows that wind power plant needs load up, then improves the active output of Wind turbines, and makes to join
Active output is improved with the energy storage device in full load condition of transient state regulation；Alternatively, if going out Reeb according to the wind power plant
Dynamic trend knows that wind power plant needs load down, and if judging to know that the energy storage device for participating in peak-clipping and valley-filling is completely in fully loaded shape
The energy storage device in full load condition that state and determining participation transient state regulate and control is all fully loaded, then reduces the active defeated of Wind turbines
Out, and the energy storage device in light condition for participating in transient state regulation is made to carry out energy storage charging；Alternatively, if according to the wind power plant
Power output fluctuation tendency know that wind power plant needs load down, if judgement know participate in peak-clipping and valley-filling energy storage device without all at
In full load condition, then the energy storage device for participating in peak-clipping and valley-filling is made to carry out energy storage charging；Alternatively, if according to the wind power plant
Power output fluctuation tendency knows that wind power plant needs load down, and if judging to know that the energy storage device for participating in peak-clipping and valley-filling is completely in completely
The energy storage device in full load condition that load state and determining participation transient state regulate and control then regulates and controls participation transient state without being all fully loaded with
Energy storage device in full load condition carry out energy storage charging.When the active output of wind power plant reaches stable state, with continuous freqency fine adjustment machine
The mode of group carries out active displacement to the energy storage device that transient state is adjusted is participated in energy-storage system.
Content based on the various embodiments described above, it is described to be predicted using the wind power plant Controlling model based on Smith prediction algorithm
Before the step of power output fluctuation tendency of wind power plant, further includes:
Construct the wind power plant Controlling model based on Smith prediction algorithm.
Specifically, PID controller time-domain function are as follows:
The transmission function of PID controller is obtained by pull-type transformation are as follows:
The main control object of wind power plant is blower individual, and energy-storage system control object is that energy storage original part is individual, blower individual,
The condition responsive function of energy storage original part individual can be approximately considered jump function.Therefore function is executed are as follows:
In formula, Gp(s)There is no the transmission function of the controlled device under hangover state for system.τ is system lag time ginseng
Number.
It is influenced caused by control system for elimination system lag, the embodiment of the present invention, which uses, adds PID controller
The method of Smith predictor, Smith predictor transmission function are as follows:
Therefore the transmission function after addition Smith predictor are as follows:
It brings formula (4) into formula (5), and carries out pull-type inverse transformation and obtain controller time-domain function.
As shown in figure 3, be the structural schematic diagram of the active output smoothing control device of wind power plant provided in an embodiment of the present invention,
It include: prediction module 310 and execution module 320, wherein
Prediction module 310, for the power output using the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm
Fluctuation tendency；
Specifically, since electricity consumption side electricity consumption constantly changes during wind power plant day-to-day operation, wind power plant is daily
It operates in the transient process that one constantly regulate.From control theory, not due to the inertial element in wind power plant control process
Exist avoidablely, and for Correction for Large Dead Time System, conventional PID control method haves the defects that certain.Prediction module 310 uses
Wind power plant Controlling model based on Smith prediction algorithm realizes the control to the active output of wind power plant.Based on Smith prediction algorithm
Wind power plant Controlling model refer to the PID predictive controller based on Smith predictor.
Prediction module 310 passes through the history control result to the wind power plant Controlling model based on Smith prediction algorithm
Data are for statistical analysis, obtain the power output fluctuation tendency of wind power plant.Go out force data using the history at preceding several moment to predict
The power output of subsequent time, and then obtain the power output fluctuation tendency of wind power plant.
Execution module 320, it is determining for the power output fluctuation tendency according to the wind power plant and execute corresponding energy-storage system
Wind-powered electricity generation is smoothly tactful.
Specifically, since blower regulates and controls subsystem and energy storage regulation subsystem, there are huge from regulation speed and precision
Big difference fast and accurately reaches power station stable state to realize, execution module 320 needs the power output fluctuation tendency according to wind power plant
Coordinate the adjusting allocation strategy of two sets of subsystems.Traditional power station energy-storage system is typically in charged state, works as windfarm system
It needs to provide spare electricity when urgent load up.Energy storage device then charges to it when being not under full load condition.
This method can satisfy the valley-fill demand of peak-load regulation, but and underuse the characteristic of energy storage.
In order to make full use of the characteristic of energy storage, execution module 320 is directed to the power output of different wind power plants in the embodiment of the present invention
It is smoothly tactful to have formulated corresponding energy-storage system wind-powered electricity generation for fluctuation tendency.
The basic procedure that energy-storage system smooth wind power is contributed in the embodiment of the present invention is as follows: going out fluctuation according to wind power plant
Trend determines energy-storage system initial power plan, corrected by STATE FEEDBACK CONTROL, the finally energy storage inside energy-storage system
Equipment room carries out power distribution, determines the charge and discharge instruction of each energy storage device.
The active output smoothing control device of wind power plant provided in an embodiment of the present invention is integrally according to wind power station control system
Smith prediction is used in the control of wind power plant by the characteristic of existing large dead time, it is ensured that the stabilization that wind electric field blower is integrally contributed
Property, meanwhile, for statistical analysis according to the history control result data to wind power plant, energy-storage system is carried out according to the analysis result
Optimizing regulation compensates in advance, while improving speed, precision, reduces the regulation frequency and regulation amount of energy storage device,
The two-win of power grid and wind power plant can be achieved.
Content based on the above embodiment, the execution module 320 are specifically used for:
Energy storage device in energy-storage system is allocated, the energy storage device for being partially in full load condition is made and all is in
The energy storage device of light condition participates in the transient state regulation of wind power plant, and the energy storage device for making remainder be in full load condition participates in adjusting
Peak load；
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load up, that improves Wind turbines has
Function output, and the energy storage device in full load condition for participating in transient state regulation is made to improve active output；Alternatively,
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load down, and if judging to know participation
The energy storage device of peak-clipping and valley-filling is completely in full load condition and determines the energy storage device in full load condition for participating in transient state regulation
It is all fully loaded, then reduce the active output of Wind turbines, and make to participate in the energy storage device in light condition of transient state regulation into
Row energy storage charging.
Specifically, execution module 320 is allocated the energy storage device in energy-storage system, sets the energy storage in energy-storage system
Standby to be mostly in full load condition, fraction is in light condition, and the energy storage device of the fully loaded and all zero load of part participates in
Into the transient state regulation of wind power plant, for improving output of wind electric field adjustment speed and precision.And the energy storage of remaining fully loaded part is set
It is standby then wait in peak-clipping and valley-filling and using.Execution module 320 preferentially adjusts the energy storage device for participating in transient state regulation in adjustment process, i.e.,
It needs to be fully loaded with the active of energy storage device in the energy storage device that preferentially release participation transient state regulates and controls in the case where load up, needs to drop negative
The case where lotus, preferentially fills the full-scale equipment of energy transient state regulation under the premise of peak-clipping and valley-filling has been fully loaded with energy storage device.
Fig. 4 is the entity structure schematic diagram of electronic equipment provided in an embodiment of the present invention, as shown in figure 4, the electronic equipment
It may include: processor (processor) 410,420, memory communication interface (Communications Interface)
(memory) 430 and communication bus 440, wherein processor 410, communication interface 420, memory 430 pass through communication bus 440
Complete mutual communication.Processor 410 can call the meter that is stored on memory 430 and can run on the processor 410
Calculation machine program, to execute the active output smoothing control method of wind power plant of the various embodiments described above offer, for example, using being based on
The power output fluctuation tendency of the wind power plant Controlling model prediction wind power plant of Smith prediction algorithm；Go out Reeb according to the wind power plant
Dynamic trend is determining and to execute corresponding energy-storage system wind-powered electricity generation smoothly tactful.
In addition, the logical order in above-mentioned memory 430 can be realized by way of SFU software functional unit and conduct
Independent product when selling or using, can store in a computer readable storage medium.Based on this understanding, originally
The technical solution of the inventive embodiments substantially part of the part that contributes to existing technology or the technical solution in other words
It can be embodied in the form of software products, which is stored in a storage medium, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes the present invention respectively
The all or part of the steps of a embodiment the method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory
(ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk
Etc. the various media that can store program code.
The embodiment of the present invention also provides a kind of non-transient computer readable storage medium, is stored thereon with computer program,
The active output smoothing control method of wind power plant that the various embodiments described above provide, example are realized when the computer program is executed by processor
It such as include: the power output fluctuation tendency using the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm；According to described
The power output fluctuation tendency of wind power plant is determining and to execute corresponding energy-storage system wind-powered electricity generation smoothly tactful.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of active output smoothing control method of wind power plant characterized by comprising
Utilize the power output fluctuation tendency of the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm；
It is determining according to the power output fluctuation tendency of the wind power plant and to execute corresponding energy-storage system wind-powered electricity generation smoothly tactful.
2. the method according to claim 1, wherein described determine according to the power output fluctuation tendency of the wind power plant
And the step of the smooth strategy of corresponding energy-storage system wind-powered electricity generation is executed, specifically:
Energy storage device in energy-storage system is allocated, makes the energy storage device for being partially in full load condition and all in zero load
The energy storage device of state participates in the transient state regulation of wind power plant, and the energy storage device participation peak regulation for making remainder be in full load condition is filled out
Paddy；
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load up, the active defeated of Wind turbines is improved
Out, and the energy storage device in full load condition for participating in transient state regulation is made to improve active output；Alternatively,
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load down, and if judging to know participation peak regulation
Valley-fill energy storage device is completely in full load condition and determines that the energy storage device in full load condition for participating in transient state regulation is whole
It is fully loaded, then the active output of Wind turbines is reduced, and make to participate in being stored up in the energy storage device of light condition for transient state regulation
It can charging.
3. according to the method described in claim 2, it is characterized in that, if described obtain according to the power output fluctuation tendency of the wind power plant
After knowing the step of wind power plant needs load down, further includes:
If judgement knows that the energy storage device for participating in peak-clipping and valley-filling is not completely in full load condition, make the participation peak-clipping and valley-filling
Energy storage device carry out energy storage charging, alternatively,
If judgement, which knows that the energy storage device for participating in peak-clipping and valley-filling is completely in full load condition and determines, participates in being in for transient state regulation
The energy storage device of full load condition then makes to participate in being stored up in the energy storage device of full load condition for transient state regulation without being all fully loaded with
It can charging.
4. according to the method described in claim 2, it is characterized in that, what the energy storage device in energy-storage system was allocated
Step, specifically:
The ratio for participating in the energy storage device of transient state regulation is determined according to the actual needs of wind power plant.
5. the method according to claim 1, wherein described select according to the power output fluctuation tendency of the wind power plant
After the step of the corresponding smooth strategy of energy-storage system wind-powered electricity generation, further includes:
When the active output of wind power plant reaches stable state, participation transient state in energy-storage system is adjusted in a manner of constantly finely tuning unit
Energy storage device carries out active displacement.
6. the method according to claim 1, wherein described utilize the wind power plant control based on Smith prediction algorithm
Before simulation predicts the step of power output fluctuation tendency of wind power plant, further includes:
Construct the wind power plant Controlling model based on Smith prediction algorithm.
7. a kind of active output smoothing control device of wind power plant, feature exist, comprising:
Prediction module, for being become using the fluctuation that goes out of the wind power plant Controlling model prediction wind power plant based on Smith prediction algorithm
Gesture；
Execution module, it is determining for the power output fluctuation tendency according to the wind power plant and to execute corresponding energy-storage system wind-powered electricity generation smooth
Strategy.
8. device according to claim 7, which is characterized in that the execution module is specifically used for:
Energy storage device in energy-storage system is allocated, makes the energy storage device for being partially in full load condition and all in zero load
The energy storage device of state participates in the transient state regulation of wind power plant, and the energy storage device participation peak regulation for making remainder be in full load condition is filled out
Paddy；
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load up, the active defeated of Wind turbines is improved
Out, and the energy storage device in full load condition for participating in transient state regulation is made to improve active output；Alternatively,
If the power output fluctuation tendency according to the wind power plant knows that wind power plant needs load down, and if judging to know participation peak regulation
Valley-fill energy storage device is completely in full load condition and determines that the energy storage device in full load condition for participating in transient state regulation is whole
It is fully loaded, then the active output of Wind turbines is reduced, and make to participate in being stored up in the energy storage device of light condition for transient state regulation
It can charging.
9. a kind of electronic equipment characterized by comprising
At least one processor；And
At least one processor being connect with the processor communication, in which:
The memory is stored with the program instruction that can be executed by the processor, and the processor calls described program to instruct energy
Enough methods executed as described in claim 1 to 6 is any.
10. a kind of non-transient computer readable storage medium, which is characterized in that the non-transient computer readable storage medium is deposited
Computer instruction is stored up, the computer instruction makes the computer execute the method as described in claim 1 to 6 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515382.6A CN109617141B (en) | 2018-12-12 | 2018-12-12 | Wind power plant active output smooth control method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811515382.6A CN109617141B (en) | 2018-12-12 | 2018-12-12 | Wind power plant active output smooth control method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109617141A true CN109617141A (en) | 2019-04-12 |
| CN109617141B CN109617141B (en) | 2020-07-07 |
Family
ID=66008252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811515382.6A Active CN109617141B (en) | 2018-12-12 | 2018-12-12 | Wind power plant active output smooth control method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109617141B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342499A (en) * | 2020-03-05 | 2020-06-26 | 宁夏嘉泽新能源股份有限公司 | Wind power plant real-time scheduling method based on wind power prediction data |
| CN113098029A (en) * | 2021-04-08 | 2021-07-09 | 湖南大学 | Wind power storage combined frequency modulation control method based on wind power short-term prediction |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580043A (en) * | 2013-10-09 | 2014-02-12 | 新疆大学 | Energy storage charging and discharging control method for wind storage integrated system |
| CN103595070A (en) * | 2013-11-19 | 2014-02-19 | 东北电力大学 | Energy storage system aggregation control method for stabilizing fluctuation of main output power of various wind power stations |
| CN104734166A (en) * | 2015-02-09 | 2015-06-24 | 山东大学 | Hybrid energy storage system and wind power generation power smooth control method |
| JP2016154411A (en) * | 2015-02-20 | 2016-08-25 | 株式会社日立パワーソリューションズ | Wind power generation system, and renewable energy power generation system |
| CN106786807A (en) * | 2016-12-15 | 2017-05-31 | 电子科技大学 | A kind of wind power station active power control method based on Model Predictive Control |
| CN107689637A (en) * | 2016-08-03 | 2018-02-13 | 南方电网科学研究院有限责任公司 | A kind of wind power plant cluster goes out the control method of fluctuation |
| CN108631368A (en) * | 2018-05-17 | 2018-10-09 | 东南大学 | The energy storage configuration method of meter and storage energy operation loss leeward storage system combined dispatching |
-
2018
- 2018-12-12 CN CN201811515382.6A patent/CN109617141B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580043A (en) * | 2013-10-09 | 2014-02-12 | 新疆大学 | Energy storage charging and discharging control method for wind storage integrated system |
| CN103595070A (en) * | 2013-11-19 | 2014-02-19 | 东北电力大学 | Energy storage system aggregation control method for stabilizing fluctuation of main output power of various wind power stations |
| CN104734166A (en) * | 2015-02-09 | 2015-06-24 | 山东大学 | Hybrid energy storage system and wind power generation power smooth control method |
| JP2016154411A (en) * | 2015-02-20 | 2016-08-25 | 株式会社日立パワーソリューションズ | Wind power generation system, and renewable energy power generation system |
| CN107689637A (en) * | 2016-08-03 | 2018-02-13 | 南方电网科学研究院有限责任公司 | A kind of wind power plant cluster goes out the control method of fluctuation |
| CN106786807A (en) * | 2016-12-15 | 2017-05-31 | 电子科技大学 | A kind of wind power station active power control method based on Model Predictive Control |
| CN108631368A (en) * | 2018-05-17 | 2018-10-09 | 东南大学 | The energy storage configuration method of meter and storage energy operation loss leeward storage system combined dispatching |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342499A (en) * | 2020-03-05 | 2020-06-26 | 宁夏嘉泽新能源股份有限公司 | Wind power plant real-time scheduling method based on wind power prediction data |
| CN111342499B (en) * | 2020-03-05 | 2023-09-08 | 宁夏嘉泽新能源股份有限公司 | Wind farm real-time scheduling method based on wind power prediction data |
| CN113098029A (en) * | 2021-04-08 | 2021-07-09 | 湖南大学 | Wind power storage combined frequency modulation control method based on wind power short-term prediction |
| CN113098029B (en) * | 2021-04-08 | 2022-07-15 | 湖南大学 | Wind power storage combined frequency modulation control method based on wind power short-term prediction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109617141B (en) | 2020-07-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105846461B (en) | Control method and system for large-scale energy storage power station self-adaptive dynamic planning | |
| Hafiz et al. | Optimal use of kinetic energy for the inertial support from variable speed wind turbines | |
| CN103020853B (en) | Method for checking short-term trade plan safety | |
| CN108054771B (en) | Charging and discharging control method and system for energy storage system | |
| CN110581571A (en) | dynamic optimization scheduling method for active power distribution network | |
| CN113364055B (en) | Source network load storage networking coordination frequency control method | |
| CN109038689B (en) | Ultra-short-term optimal scheduling method for power system | |
| CN106160000B (en) | The wind-powered electricity generation that a kind of point of tune-province's tune two-stage is coordinated issues additional control method | |
| CN105896575B (en) | Hundred megawatt energy storage power control method and system based on self-adaptive dynamic programming | |
| CN112769149B (en) | Hybrid wind-solar micro-grid rapid frequency response distributed coordination control method and system | |
| CN107069835B (en) | Real-time active distribution method and device for new energy power station | |
| CN109672215A (en) | Based on load can time shift characteristic distributed photovoltaic dissolve control method | |
| CN106487024A (en) | The idle method of replacing of Reactive Compensation in Wind Farm device and Wind turbines and device | |
| CN108390415A (en) | A kind of regional power grid new energy consumption capacity calculation methods and system | |
| CN109617141A (en) | The active output smoothing control method and device of wind power plant | |
| CN113224769A (en) | Multi-time scale power distribution network voltage optimization method considering photovoltaic multi-state adjustment | |
| CN109713734B (en) | Photovoltaic power adjusting method, device, equipment and medium | |
| CN114844118A (en) | Multi-type equipment power coordination control method and system suitable for micro-grid | |
| CN114123246A (en) | Multi-photovoltaic power station frequency modulation parameter self-adaptive updating method based on track sensitivity | |
| CN109327031A (en) | Directly driven wind-powered multi-computer system power association control method and system based on battery energy storage | |
| CN116154877B (en) | Method for optimizing frequency modulation parameters of new energy station cluster | |
| Elgammal et al. | Optimal frequency control management of grid integration PV/wind/FC/storage battery based smart grid using multi objective particle swarm optimization MOPSO and model predictive control (MPC) | |
| CN109149654A (en) | Determine trans-regional water power-wind power direct current transmission of electricity Hydropower Unit regulating power method | |
| CN107069810B (en) | Cope with the intermittent fired power generating unit built-up pattern building of wind-powered electricity generation and analysis method | |
| CN113852093A (en) | Energy storage device and polysilicon load aggregation frequency modulation method and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |