CN109193811A - A kind of generation of electricity by new energy active power smooth control method, system and storage medium - Google Patents
A kind of generation of electricity by new energy active power smooth control method, system and storage medium Download PDFInfo
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- CN109193811A CN109193811A CN201811086803.8A CN201811086803A CN109193811A CN 109193811 A CN109193811 A CN 109193811A CN 201811086803 A CN201811086803 A CN 201811086803A CN 109193811 A CN109193811 A CN 109193811A
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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
- H02J3/48—Controlling the sharing of the in-phase component
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Abstract
The invention discloses a kind of generation of electricity by new energy active power smooth control method, system and storage medium, the method includes the steps: obtain total power generation active power of all new energy stations and the rated power of new energy energy-storage system in regional power grid；The smooth target deviation of active power is calculated according to the smooth target of the active power of generation of electricity by new energy, total power generation active power of new energy station；According to the smooth target deviation of active power, the rated power of new energy energy-storage system, it is determined to meet the new energy energy-storage system control target of generation of electricity by new energy active power smooth control demand；Smooth control is carried out to new energy active power according to determining new energy energy-storage system control target.The present invention can be realized the complementation and counteracting of active fluctuation between new energy station, and the active fluctuation of new energy is effectively reduced, reduces the grid-connected auxiliary construction cost in new energy station.
Description
Technical field
The present invention relates to field of new energy technologies more particularly to a kind of generation of electricity by new energy active power smooth control method,
System and storage medium.
Background technique
Currently, being the generation of electricity by new energy of representative due to being influenced by natural conditions such as wind speed, illumination using wind-powered electricity generation and photovoltaic
With restriction, there is randomnesss and fluctuation for output power, adversely affect to the power quality and stability of power grid, into
And influence the safe and stable operation of electric system.Energy storage technology is handled up equipment as a kind of electric energy, is applied to new energy hair
It is considered as a kind of effective means for controlling new energy power output, improving new energy power swing in electricity.And energy-storage system non-once
The problems such as energy, there are capacity limit and operation health constraints.Therefore, a kind of Technical Economy is designed rationally and effective new energy
Strategy is stabilized in source power fluctuation becomes the key that new energy is promoted.
It is " wind-solar-storage joint electricity generation system that Chinese patent database, which discloses a patent name on October 3rd, 2012,
The patent application of active control method for coordinating ", Patent No.: ZL201210167984.3, this method is by playing wind energy, light
The mutual supplement with each other's advantages of energy, energy storage resource efficiently uses energy-storage system to power storage and release, it is renewable to reasonably adjust wind, light etc.
The energy realizes that the output power of wind-solar-storage joint electricity generation system is instructed similar to the same trace scheduling of normal power supplies.But this method needs
Battery energy storage system is configured, new energy combined generating system is constructed as a schedulable generator unit, high construction cost,
Application under extensive new-energy grid-connected mode is subject to certain restrictions.
Document " the state-of-charge management strategy and its influence evaluation of energy-storage system " (Automation of Electric Systems 2015 the 39th
Rolled up for the 8th 27-32 pages of phase) propose a kind of SOC control strategy of low-pass filtering method based on variable filter constant.The strategy needle
Power grid low frequency regulatory demand is responded, and the shadow stabilized to fluctuation is further reduced by the filter of variable time constant
It rings；The effective control for passing through SOC (State of Charge, state-of-charge) simultaneously can be such that battery work shallowly puts in shallow fill
Area, depth of discharge are reduced to extend the service life of battery.Variable time constant filter designs in the strategy
Really slow down the SOC departure degree of energy-storage system by changing filtering depth, energy-storage system SOC management strategy does not suggest that
Return intermediate value proposition actively to correct control strategy for SOC, application effect has certain limitation.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of generation of electricity by new energy active power is provided and is smoothly controlled
Method, system and storage medium processed can be realized the complementation and counteracting of active fluctuation between new energy station, new energy are effectively reduced
Active fluctuation reduces the grid-connected auxiliary construction cost in new energy station.
The present invention is achieved through the following technical solutions:
In a first aspect, providing a kind of generation of electricity by new energy active power smooth control method, the method includes walking as follows
It is rapid:
Obtain total power generation active power of all new energy stations and the specified function of new energy energy-storage system in regional power grid
Rate；
New energy is calculated according to the smooth target of the active power of new energy station, total power generation active power of new energy station
The smooth target deviation of the active power of station；
According to the smooth target deviation of active power, the rated power and state-of-charge of new energy energy-storage system, it is determined to
Meet the new energy energy-storage system control target of active power smooth control demand；
Smooth control is carried out to new energy active power according to determining new energy energy-storage system control target.
With reference to first aspect, further, the smooth target deviation of active power is calculated using formula (1):
△Pavg(k)=Pavg(k)-Prenew-gen(k) (1)
In formula: △ Pavg(k) the smooth target deviation of active power of k moment new energy station is indicated；Pavg(k) when indicating k
Carve the smooth target of active power of new energy station；Prenew-gen(k) total power generation active power of k moment new energy station is indicated.
With reference to first aspect, further, determine that new energy energy-storage system control mesh calibration method includes:
New energy energy storage system is primarily determined according to the rated power of the smooth target deviation of active power, new energy energy-storage system
System control target；
According to the new energy energy-storage system state-of-charge traffic coverage divided in advance, determine that new energy energy-storage system is currently charged
The affiliated traffic coverage of state；
The new energy energy-storage system control target primarily determined is modified according to determining affiliated traffic coverage.
With reference to first aspect, further, primarily determine that new energy energy-storage system controls target using formula (2):
In formula: △ Pavg(k) the smooth target deviation of active power of k moment new energy station is indicated；PBESS-discIndicate new
Energy energy-storage system nominal discharge power；PBESS-chargIndicate the specified charge power of new energy energy-storage system.
With reference to first aspect, further, the side of the affiliated traffic coverage of the current state-of-charge of new energy energy-storage system is determined
Method includes:
When new energy energy-storage system state-of-charge is located at [SOClow,SOChig] in section, it is determined that for ideal traffic coverage；
When new energy energy-storage system state-of-charge is located at [SOCmin, SOClow)U(SOChigh,SOCmax] in section, it is determined that
For early warning traffic coverage；
When new energy energy-storage system state-of-charge is located at [0, SOCmin)U(SOCmax, 100] and in section, it is determined that forbid
Traffic coverage；
Wherein: SOChig、SOClowThe charged upper limit of ideal operation, the ideal operation for respectively indicating new energy energy-storage system are charged
Lower limit；SOCmax、SOCminRespectively indicate the charged limit value of highest, the minimum charged limit value of new energy energy-storage system.
With reference to first aspect, further, controlling the method that target is modified to new energy energy-storage system includes:
If a. the current state-of-charge of new energy energy-storage system is in ideal traffic coverage, it is not required to new energy energy-storage system control
Target processed is modified；
If b. the current state-of-charge of new energy energy-storage system is in early warning traffic coverage, using following correction strategies to new energy
Source energy-storage system control target is modified:
In formula, P'BESS-targ(k) indicate that k moment revised new energy energy-storage system controls target；PBESS-targ(k) table
Show that the new energy energy-storage system that the k moment primarily determines controls target；△PSOC(k) the charged shape of k moment new energy energy-storage system is indicated
Correction amount needed for state is returned to ideal traffic coverage；△Pavg(k) the smooth target of active power of k moment new energy station is indicated
Deviation；Pagc-rvup(k) indicate that the upper adjusting in k moment AGC main control area is spare；Pagc-rvdn(k) k moment AGC main control area is indicated
Lower adjusting it is spare；Rrenew(k) the power output rate of change of k moment new energy station is indicated；Ragc(k) the AGC master control of k moment is indicated
The regulations speed in area processed；The state-of-charge of SOC (k) expression k moment new energy energy-storage system；PBESS-discIndicate new energy energy storage
System nominal discharge power；PBESS-chargIndicate the specified charge power of new energy energy-storage system；FagcIndicate AGC main control area tune
The match flag of energy saving power and new energy fluctuation, 1, which represents AGC main control area, is not able to satisfy new energy undulated control demand, and 0 represents
AGC main control area can satisfy new energy undulated control demand.
If c. the current state-of-charge of new energy energy-storage system, which is in, forbids traffic coverage, using following correction strategies to new energy
Source energy-storage system control target is modified:
In formula, FSOCIndicate the match flag of new energy energy-storage system current state-of-charge and regulatory demand, 1 represents currently
Regulatory demand can aggravate new energy energy-storage system state-of-charge and deviate ideal traffic coverage, and 0, which represents current regulatory demand, to promote
New energy energy-storage system state-of-charge is returned to ideal traffic coverage.
With reference to first aspect, further, when new energy energy-storage system state-of-charge, which is in, to be forbidden in traffic coverage, newly
Energy energy-storage system maintains stand-by state, until new energy energy-storage system state-of-charge is returned to ideal traffic coverage.
Second aspect provides a kind of generation of electricity by new energy active power smooth control system, comprising:
Obtain module: for obtaining the total power generation active power and new energy energy storage of all new energy stations in regional power grid
The rated power of system；
Computing module: active for the smooth target of active power according to new energy station, the always power generation of new energy station
The smooth target deviation of active power of power calculation new energy station；
Determining module: for according to the rated power of the smooth target deviation of active power, new energy energy-storage system and charged
State is determined to meet the new energy energy-storage system control target of active power smooth control demand；
Execution module: smooth for being carried out according to determining new energy energy-storage system control target to new energy active power
Control.
In conjunction with second aspect, further, the determining module includes:
Primarily determine module: at the beginning of the rated power according to the smooth target deviation of active power, new energy energy-storage system
It walks and determines that new energy energy-storage system controls target；
Traffic coverage division module: for dividing the traffic coverage of new energy energy-storage system state-of-charge；
Traffic coverage determining module: for determining the affiliated traffic coverage of the current state-of-charge of new energy energy-storage system；
Correction module: for controlling target to the new energy energy-storage system primarily determined according to determining affiliated traffic coverage
It is modified.
The third aspect provides a kind of generation of electricity by new energy active power smooth control system, including memory and processor；
The memory is for storing instruction；
The processor is for the step of being operated according to described instruction to execute any one of first aspect the method.
Fourth aspect provides a kind of computer readable storage medium, is stored thereon with computer program, which is located
Manage the step of any one of first aspect the method is realized when device executes.
To sum up, generation of electricity by new energy active power smooth control method, system and storage medium provided by the invention, by new
The complementation of active fluctuation realizes generation of electricity by new energy active power smooth control with counteracting between energy station, can greatly reduce new energy
The grid-connected dependence spare to necessary resources and adjusting in source station, has saved the grid-connected auxiliary construction cost in new energy station；To energy storage
Traffic coverage locating for system state-of-charge is finely divided, and formulates different correction algorithms for different traffic coverages, is being protected
While card stabilizes effect, the health control to energy-storage system state-of-charge is realized.
Detailed description of the invention
It, below will be to use required in the embodiment of the present invention in order to illustrate more clearly of the technical solution of our embodiment
Attached drawing be briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for this
For the those of ordinary skill of field, without creative efforts, it can also be obtained according to these attached drawings others
Attached drawing.
Fig. 1 is the flow diagram of the generation of electricity by new energy active power smooth control method of the embodiment of the present invention；
Fig. 2 is that the new energy energy-storage system traffic coverage of the embodiment of the present invention divides schematic diagram.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Fig. 1 shows the flow diagram of the generation of electricity by new energy active power smooth control method of the embodiment of the present invention；It answers
Work as understanding, before implementing this method, regional power grid control centre AGC (Automatic Generation Control,
AGC a main control area and a new energy logic control area) has had been established in application.
Wherein, main control area is used to implement the general areas control of interconnected network, and control target is " to maintain the frequency of power grid
In control range " and/or " maintaining this control area to exchange power with other adjacent control regions is given planned value ".
Wherein, new energy logic control area is used to implement the monitoring of new energy active power output and control is stabilized in fluctuation.New energy
Source logic control area is parallel control zone with main control area in logic, but physically new energy logic control area is under the jurisdiction of main control
Area, i.e. new energy station in new energy logic control area and energy-storage system are distributed in regional power grid main control area bounds
It is interior.Main monitored variable in new energy logic control region is the active measurement of new energy equivalence unit, i.e., in regional power grid
The active power of all new energy stations always adds.The monitored variable is more intuitive and logical to the polymerization effect evaluation of the whole network new energy
The complementation of active fluctuation and neutralization effect between new energy station are crossed, the power grid reply grid-connected active wave in new energy station can be greatly reduced
Dynamic and setting necessary resources and the spare dependence of adjusting.The tracking target of energy-storage system is new energy in new energy logic control region
The active fluctuation of source equivalence unit, therefore energy-storage system expectation regulating command is that generation of electricity by new energy active power smooth control needs
It asks, generation of electricity by new energy active power is modified according to the specified charging and discharging capabilities of energy-storage system.
As shown in Figure 1, the generation of electricity by new energy active power smooth control method of the embodiment of the present invention includes:
Step 1: the total power generation active power and new energy energy-storage system of all new energy stations in regional power grid are obtained
Rated power, specifically:
New energy equivalence unit model is established in new energy logic control area, which is regional power grid
The equivalence of interior all new energy stations (including wind power plant and photovoltaic station) is virtual.It is obtained by new energy equivalence unit model total
Power generation active power power measurement value is total power generation active power of all new energy stations in regional power grid, is denoted as
Prenew-gen。
New energy energy-storage system control object model is established in new energy logic control area, the model is in the embodiment of the present invention
In be managed for stabilizing the power swing of new energy equivalence unit, and for the SOC of itself, the operating parameter master of the model
It include: new energy energy-storage system nominal discharge power PBESS-disc, specified charge power PBESS-charg, new energy energy-storage system
The charged limit value SOC of highestmax, minimum charged limit value SOCmin。
Step 2: according to the smooth target of the active power of new energy station, total power generation effective power meter of new energy station
Calculate the smooth target deviation of active power of new energy station；The specific method is as follows:
With cycle TexeTotal power generation active power power measurement of (second) update current time new energy equivalence unit model
Value, is denoted as Prenew-gen(k), the smooth target P of active power is calculatedavg(k), the smooth target deviation △ P of active poweravg(k) and become
Change rate Rrenew(k), illustrate the calculation method of each variable by taking moving average filter algorithm as an example below:
△Pavg(k)=Pavg(k)-Prenew-gen(k) (2)
In formula, k indicates current time namely calculating cycle sequence；Prenew-gen(k-1) the new of a upper calculating cycle is indicated
Energy station always generates electricity active power；Prenew-gen(k-N+1) the new energy station of expression sliding window initial time always generates electricity and has
Function power；N is sliding average number of cycles.
Step 3: according to the smooth target deviation of active power, the rated power and state-of-charge of new energy energy-storage system, really
Surely it can satisfy the new energy energy-storage system control target of active power smooth control demand；Method is as follows:
In formula: PBESS-targ(k) indicate that the new energy energy-storage system at k moment controls target；
Step 4: according to the traffic coverage of the new energy energy-storage system state-of-charge divided in advance, new energy energy storage system is determined
It unites the affiliated traffic coverage of current state-of-charge；
As shown in Fig. 2, being the new energy energy-storage system traffic coverage division schematic diagram of the embodiment of the present invention.
When new energy energy-storage system state-of-charge is located at [SOClow,SOChig] in section, it is determined that for ideal traffic coverage；
When new energy energy-storage system state-of-charge is located at [SOCmin, SOClow)U(SOChigh,SOCmax] in section, it is determined that
For early warning traffic coverage；
When new energy energy-storage system state-of-charge is located at [0, SOCmin)U(SOCmax, 100] and in section, it is determined that forbid
Traffic coverage；
Wherein: SOChig、SOClowThe charged upper limit of ideal operation, the ideal operation for respectively indicating new energy energy-storage system are charged
Lower limit.
Step 5: new energy energy-storage system control target is modified according to determining affiliated traffic coverage.
With cycle Texe(second) updates new energy logic control area current time new energy energy-storage system state-of-charge SOC
(k) and the up/down of main control area AGC unit adjusts spare Pagc-rvup(k)/Pagc-rvdn(k) with regulations speed Ragc(k) information.
The modification method is specific as follows:
If a. the current state-of-charge of new energy energy-storage system is in ideal traffic coverage, it is not required to new energy energy-storage system control
Target processed is modified, i.e., revised energy-storage system controls target P'BESS-targ(k)=PBESS-targ(k)。
If b. the current state-of-charge of new energy energy-storage system is in early warning traffic coverage, AGC main control area tune is first determined whether
Whether energy saving power can match with the active fluctuation of new energy equivalence unit: when the adjusting of main control area AGC unit it is spare (point
It is spare spare with lower adjusting for upper adjusting) it is higher than the active fluctuating range of new energy equivalence unit (taking mean bias) and regulations speed
When rate of change active greater than new energy equivalence unit, determine that AGC main control area regulating power can match new energy equivalence unit
Active fluctuation；Conversely, can not match.
Further, if AGC main control area regulating power can match the active power fluctuation of new energy equivalence unit,
New energy energy-storage system control instruction is superimposed SOC correction amount on the basis of smooth adjustment demand, actively carries out SOC management；If
AGC main control area regulating power can not match the active power fluctuation of new energy equivalence unit, then new energy energy-storage system is with AGC
Unit, which is adjusted, supports preferentially, and control instruction only takes smooth control demand calculated result, puts aside and changes to energy-storage system SOC
The influence of trend.
Specifically, being modified using following correction strategies to new energy energy-storage system control target:
In formula, △ PSOC(k) it indicates that k moment new energy energy-storage system state-of-charge is returned to needed for ideal traffic coverage to repair
Positive quantity；△Pavg(k) the smooth target deviation of k moment new energy station active power is indicated；Pagc-rvup(k) k moment AGC is indicated
The upper adjusting in main control area is spare；Rrenew(k) the power output rate of change of k moment new energy station is indicated；Ragc(k) the k moment is indicated
The regulations speed in AGC main control area；The state-of-charge of SOC (k) expression k moment new energy energy-storage system；FagcIndicate AGC master control
The match flag of area's regulating power processed and new energy fluctuation, 1, which represents AGC main control area, which is not able to satisfy new energy undulated control, needs
It asks, 0, which represents AGC main control area, can satisfy new energy undulated control demand.
Correction amount △ PSOC(k) non-static parameter, but be calculated in real time according to the degree that SOC deviates ideal interval,
That is, deviateing, the remoter correction amount of ideal traffic coverage is bigger, and maximum correction is the specified charge/discharge power of energy storage；Deviate ideal
The nearlyr correction amount of traffic coverage is smaller, and when SOC reaches ideal limit value, correction amount is zero.
If c. the current state-of-charge of new energy energy-storage system, which is in, forbids traffic coverage, using following correction strategies to new energy
Source energy-storage system control target is modified:
In formula, FSOCIndicate the match flag of new energy energy-storage system current state-of-charge and regulatory demand, 1 represents currently
Regulatory demand can aggravate new energy energy-storage system state-of-charge and deviate ideal traffic coverage, and 0, which represents current regulatory demand, to promote
New energy energy-storage system state-of-charge is returned to ideal traffic coverage.
For the current state-of-charge of new energy energy-storage system in when forbidding traffic coverage, new energy energy-storage system maintains spare shape
State neither executes charge control nor executes control of discharge, until new energy energy-storage system state-of-charge is returned to ideal operation
Section.
Step 6: target is controlled according to revised new energy energy-storage system, new energy active power is smoothly controlled
System.
So far, the embodiment of the present invention based in regional power grid new energy logic control area and new energy equivalence unit provide
A kind of generation of electricity by new energy active power fluctuation stabilizes method, using new energy difference power generation type (including wind-powered electricity generation and photovoltaic) and
The existing power generation space-time complementarity in each new energy station itself carries out the fluctuation otherness exchange in nature situation and offsets, then
In power grid level, this wider carries out its fluctuation to stabilize control.Each new energy station is distinguished compared in simultaneously net side
Power swing inhibition is carried out, the embodiment of the present invention can greatly reduce to necessary resources and adjust spare dependence, saving new energy
The grid-connected auxiliary construction cost in station.The embodiment of the present invention also contemplates new energy energy-storage system SOC traffic coverage and AGC machine simultaneously
Group regulating power, is divided into ideal traffic coverage, early warning traffic coverage for energy-storage system SOC traffic coverage and forbids traffic coverage
Three regions use different modified computing methods in different traffic coverage new energy energy-storage system control instructions.
It is above-mentioned new to can be used for load and execution for generation of electricity by new energy active power smooth control system provided in an embodiment of the present invention
Energy power generation active power smooth control method, comprising:
Obtain module: for obtaining the total power generation active power and new energy energy storage of all new energy stations in regional power grid
The rated power of system；
Computing module: active for the smooth target of active power according to new energy station, the always power generation of new energy station
The smooth target deviation of active power of power calculation new energy station；
Determining module: for according to the rated power of the smooth target deviation of active power, new energy energy-storage system and charged
State is determined to meet the new energy energy-storage system control target of active power smooth control demand；
Execution module: smooth for being carried out according to determining new energy energy-storage system control target to new energy active power
Control.
Specifically, determining module includes:
Primarily determine module: at the beginning of the rated power according to the smooth target deviation of active power, new energy energy-storage system
It walks and determines that new energy energy-storage system controls target；
Traffic coverage division module: for dividing the traffic coverage of new energy energy-storage system state-of-charge；
Traffic coverage determining module: for determining the affiliated traffic coverage of the current state-of-charge of new energy energy-storage system；
Correction module: for controlling target to the new energy energy-storage system primarily determined according to determining affiliated traffic coverage
It is modified.
Generation of electricity by new energy active power smooth control system provided by the invention, it may also is that including memory and processing
Device；The memory is for storing instruction；
The processor according to described instruction for being operated to execute aforementioned generation of electricity by new energy active power and smoothly control
The step of method processed.
The present invention also provides a kind of computer readable storage mediums, are stored thereon with computer program, which is located
The step of reason device realizes aforementioned generation of electricity by new energy active power smooth control method when executing.
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the application
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the application, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The application is referring to method, the process of equipment (system) and computer program product according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of generation of electricity by new energy active power smooth control method, which is characterized in that described method includes following steps:
Obtain total power generation active power of all new energy stations and the rated power of new energy energy-storage system in regional power grid；
New energy station is calculated according to the smooth target of the active power of new energy station, total power generation active power of new energy station
The smooth target deviation of active power；
According to the smooth target deviation of active power, the rated power and state-of-charge of new energy energy-storage system, it is determined to meet
The new energy energy-storage system of active power smooth control demand controls target；
Smooth control is carried out to new energy active power according to determining new energy energy-storage system control target.
2. generation of electricity by new energy active power smooth control method according to claim 1, which is characterized in that use formula
(1) the smooth target deviation of active power is calculated:
△Pavg(k)=Pavg(k)-Prenew-gen(k) (1)
In formula: △ Pavg(k) the smooth target deviation of active power of k moment new energy station is indicated；Pavg(k) indicate that the k moment is new
The smooth target of the active power of energy station；Prenew-gen(k) total power generation active power of k moment new energy station is indicated.
3. generation of electricity by new energy active power smooth control method according to claim 1 or 2, which is characterized in that determine new
Energy energy-storage system controls mesh calibration method
New energy energy-storage system control is primarily determined according to the rated power of the smooth target deviation of active power, new energy energy-storage system
Target processed；
According to the new energy energy-storage system state-of-charge traffic coverage divided in advance, the current state-of-charge of new energy energy-storage system is determined
Affiliated traffic coverage；
The new energy energy-storage system control target primarily determined is modified according to determining affiliated traffic coverage.
4. generation of electricity by new energy active power smooth control method according to claim 3, which is characterized in that use formula
(2) primarily determine that new energy energy-storage system controls target:
In formula: △ Pavg(k) the smooth target deviation of active power of k moment new energy station is indicated；PBESS-discIndicate new energy
Energy-storage system nominal discharge power；PBESS-chargIndicate the specified charge power of new energy energy-storage system.
5. generation of electricity by new energy active power smooth control method according to claim 3, which is characterized in that determine new energy
The method of the affiliated traffic coverage of the current state-of-charge of energy-storage system includes:
When new energy energy-storage system state-of-charge is located at [SOClow,SOChig] in section, it is determined that for ideal traffic coverage；
When new energy energy-storage system state-of-charge is located at [SOCmin, SOClow)U(SOChigh,SOCmax] in section, it is determined that it is pre-
Alert traffic coverage；
When new energy energy-storage system state-of-charge is located at [0, SOCmin)U(SOCmax, 100] and in section, it is determined that forbid running
Section；
Wherein: SOChig、SOClowRespectively indicate new energy energy-storage system ideal run the charged upper limit, ideal operation it is charged under
Limit；SOCmax、SOCminRespectively indicate the charged limit value of highest, the minimum charged limit value of new energy energy-storage system.
6. generation of electricity by new energy active power smooth control method according to claim 5, which is characterized in that stored up to new energy
Energy system controls the method that target is modified
If a. the current state-of-charge of new energy energy-storage system is in ideal traffic coverage, it is not required to control mesh to new energy energy-storage system
Mark is modified；
If b. the current state-of-charge of new energy energy-storage system is in early warning traffic coverage, new energy is stored up using following correction strategies
Energy system control target is modified:
In formula, P'BESS-targ(k) indicate that k moment revised new energy energy-storage system controls target；PBESS-targ(k) when indicating k
Carve the new energy energy-storage system control target primarily determined；△PSOC(k) indicate that k moment new energy energy-storage system state-of-charge returns
Return to correction amount needed for ideal traffic coverage；△Pavg(k) the smooth target deviation of active power of k moment new energy station is indicated；
Pagc-rvup(k) indicate that the upper adjusting in k moment AGC main control area is spare；Pagc-rvdn(k) it indicates under k moment AGC main control area
It adjusts spare；Rrenew(k) the power output rate of change of k moment new energy station is indicated；Ragc(k) k moment AGC main control area is indicated
Regulations speed；The state-of-charge of SOC (k) expression k moment new energy energy-storage system；PBESS-discIndicate new energy energy-storage system
Nominal discharge power；PBESS-chargIndicate the specified charge power of new energy energy-storage system；FagcIndicate that AGC main control area adjusts energy
The match flag of power and new energy fluctuation, 1, which represents AGC main control area, is not able to satisfy new energy undulated control demand, and 0 represents AGC
Main control area can satisfy new energy undulated control demand；
If c. the current state-of-charge of new energy energy-storage system, which is in, forbids traffic coverage, new energy is stored up using following correction strategies
Energy system control target is modified:
In formula, FSOCIndicate the match flag of new energy energy-storage system current state-of-charge and regulatory demand, 1 represents current adjust
Demand can aggravate new energy energy-storage system state-of-charge and deviate ideal traffic coverage, and 0, which represents current regulatory demand, can promote new energy
Source energy-storage system state-of-charge is returned to ideal traffic coverage.
7. generation of electricity by new energy active power smooth control method according to claim 5, which is characterized in that when new energy stores up
For energy system state-of-charge in when forbidding in traffic coverage, new energy energy-storage system maintains stand-by state, until new energy energy storage
System state-of-charge is returned to ideal traffic coverage.
8. a kind of generation of electricity by new energy active power smooth control system characterized by comprising
Obtain module: for obtaining the total power generation active power and new energy energy-storage system of all new energy stations in regional power grid
Rated power；
Computing module: total power generation active power for the smooth target of active power, new energy station according to new energy station
Calculate the smooth target deviation of active power of new energy station；
Determining module: for the rated power and state-of-charge according to the smooth target deviation of active power, new energy energy-storage system,
It is determined to meet the new energy energy-storage system control target of active power smooth control demand；
Execution module: for smoothly being controlled according to determining new energy energy-storage system control target to new energy active power
System.
9. generation of electricity by new energy active power smooth control system according to claim 8, which is characterized in that the determining mould
Block includes:
Primarily determine module: for tentatively true according to the smooth target deviation of active power, the rated power of new energy energy-storage system
Determine new energy energy-storage system control target；
Traffic coverage division module: for dividing the traffic coverage of new energy energy-storage system state-of-charge；
Traffic coverage determining module: for determining the affiliated traffic coverage of the current state-of-charge of new energy energy-storage system；
Correction module: for being carried out according to determining affiliated traffic coverage to the new energy energy-storage system control target primarily determined
Amendment.
10. a kind of generation of electricity by new energy active power smooth control system, which is characterized in that including memory and processor；
The memory is for storing instruction；
The processor is used to be operated according to described instruction to execute any one of according to claim 1~7 the method
Step.
11. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step of any one of claim 1~7 the method is realized when execution.
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