CN108718099A - A kind of pump-storage generator output method and pump-storage generator - Google Patents
A kind of pump-storage generator output method and pump-storage generator Download PDFInfo
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- CN108718099A CN108718099A CN201810575881.8A CN201810575881A CN108718099A CN 108718099 A CN108718099 A CN 108718099A CN 201810575881 A CN201810575881 A CN 201810575881A CN 108718099 A CN108718099 A CN 108718099A
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- 238000003860 storage Methods 0.000 title claims abstract description 158
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005611 electricity Effects 0.000 claims abstract description 114
- 230000000694 effects Effects 0.000 claims abstract description 99
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000010248 power generation Methods 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 2
- 230000029087 digestion Effects 0.000 abstract description 8
- 230000001172 regenerating effect Effects 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/46—Controlling of the sharing of output between the generators, converters, or transformers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H02J3/383—
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- H02J3/386—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
A kind of pump-storage generator output method of present invention offer and pump-storage generator, this method include：The wind-powered electricity generation photovoltaic at moment each being calculated in D calculating cycle of acquisition respectively and going out activity of force and power system load value, D is positive integer；Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in D calculating cycle is obtained respectively goes out activity of force and power system load maximum value；The pump-storage generator at moment, which is each calculated, in D calculating cycle of calculating goes out activity of force；Go out activity of force according to the pump-storage generator for each calculating the moment in D calculating cycle respectively to contribute.In this way, wind-powered electricity generation, photovoltaic, water-storage joint power producing characteristics and system load characteristic can be made to coincide, peak regulation pressure will not be brought to electric system, to effectively promote wind-powered electricity generation, photovoltaic digestion capability.
Description
Technical field
The present invention relates to water-storage technical field more particularly to a kind of pump-storage generator output method and water-storages
Unit.
Background technology
Hydroenergy storage station flexible operation, start and stop speed is fast, is electric system frequency modulation, phase modulation and the spare branch of emergency episode
Support power supply.Hydroenergy storage station is matched with wind-powered electricity generation and photovoltaic, can optimize power supply architecture, and peak-load regulating pressure can be effectively relieved
Power.In the prior art, mostly from the point of view of economy, the power supplys maximizing the benefits such as wind-powered electricity generation, pumped storage and thermoelectricity is laid particular emphasis on, and from electricity
Force system peak regulation demand angle sets out, and considers that wind-powered electricity generation, photovoltaic combine output with water-storage and do not increase the new peak regulation demand of system,
And in terms of new energy digestion capability can be promoted simultaneously, consider less.Therefore, in the prior art, there are wind-powered electricity generation, photovoltaic output meetings
The problem of peak regulation pressure and consumption deficiency is brought to electric system.
Invention content
A kind of pump-storage generator output method of offer of the embodiment of the present invention and pump-storage generator, to solve the prior art
In, wind-powered electricity generation, photovoltaic output can bring electric system the problem of peak regulation pressure and consumption deficiency.
In order to solve the above-mentioned technical problem, the invention is realized in this way：
In a first aspect, an embodiment of the present invention provides a kind of pump-storage generator output methods, including：
The wind-powered electricity generation photovoltaic at moment is each calculated in D calculating cycle of acquisition go out activity of force and power system load value, D respectively
For positive integer；
Wind-powered electricity generation when power system load value is maximum value in each calculating cycle in the D calculating cycle is obtained respectively
Photovoltaic goes out activity of force and power system load maximum value；
Go out activity of force and power system load value according to the wind-powered electricity generation photovoltaic at moment is each calculated in the D calculating cycle,
And in the D calculating cycle in each calculating cycle power system load value be maximum value when wind-powered electricity generation photovoltaic go out activity of force
With power system load maximum value, calculates and each calculate the pump-storage generator at moment in the D calculating cycle and go out activity of force；
Go out activity of force according to the pump-storage generator for each calculating the moment in the D calculating cycle respectively to contribute.
Second aspect, the embodiment of the present invention also provide a kind of pump-storage generator, including：
First acquisition module each calculates the wind-powered electricity generation photovoltaic at moment and goes out activity of force for obtaining respectively in D calculating cycle
With power system load value, D is positive integer；
Second acquisition module, for obtaining in the D calculating cycle power system load in each calculating cycle respectively
Wind-powered electricity generation photovoltaic when value is maximum value goes out activity of force and power system load maximum value；
Computing module, for going out activity of force and electricity according to each calculating the wind-powered electricity generation photovoltaic at moment in the D calculating cycle
Wind when power system load value is maximum value in each calculating cycle in Force system load value and the D calculating cycle
Electric light lies prostrate out activity of force and power system load maximum value, calculates the storage that draws water that the moment is each calculated in the D calculating cycle
It can unit output power；
Go out power module, for contributing respectively according to the pump-storage generator for each calculating the moment in the D calculating cycle
Power is contributed.
In embodiments of the present invention, the wind-powered electricity generation photovoltaic at moment is each calculated in D calculating cycle of acquisition go out activity of force respectively
With power system load value, D is positive integer；It is negative that electric system in each calculating cycle is obtained in the D calculating cycle respectively
Wind-powered electricity generation photovoltaic when charge values are maximum value goes out activity of force and power system load maximum value；According to every in the D calculating cycle
A wind-powered electricity generation photovoltaic for calculating the moment, which goes out, each calculates week in activity of force and power system load value and the D calculating cycle
Wind-powered electricity generation photovoltaic when power system load value is maximum value in phase goes out activity of force and power system load maximum value, calculates the D
The pump-storage generator at moment is each calculated in a calculating cycle goes out activity of force；Respectively according to each in the D calculating cycle
The pump-storage generator at calculating moment goes out activity of force and contributes.In this way, wind-powered electricity generation, photovoltaic, water-storage joint can be made to contribute
Characteristic is coincide with system load characteristic, and peak regulation pressure will not be brought to electric system, and the intermittent renewable energy is promoted to contribute more
With power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
Description of the drawings
Fig. 1 is a kind of flow chart of pump-storage generator output method provided in an embodiment of the present invention；
Fig. 2 is the flow chart of another pump-storage generator output method provided in an embodiment of the present invention；
Fig. 3 is the structure chart of pump-storage generator provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
It is a kind of flow chart of pump-storage generator output method provided in an embodiment of the present invention, such as Fig. 1 referring to Fig. 1, Fig. 1
It is shown, include the following steps：
Step 101 obtains and each calculates the wind-powered electricity generation photovoltaic at moment in D calculating cycle and go out activity of force and electric system respectively
Load value, D are positive integer.
In a step 101, can obtain respectively each calculated in D calculating cycle the moment wind-powered electricity generation photovoltaic go out activity of force and
Power system load value, D are positive integer.D indicates that hydroenergy storage station regulating cycle, D can be number of days, and D can be 7 days.I.e.
The hydroenergy storage station of the present invention can be to adjust power station in week.
Step 102, to obtain in the D calculating cycle power system load value in each calculating cycle respectively be maximum value
When wind-powered electricity generation photovoltaic go out activity of force and power system load maximum value.
In a step 102, it is most that can obtain in D calculating cycle power system load value in each calculating cycle respectively
Wind-powered electricity generation photovoltaic when big value goes out activity of force and power system load maximum value.
Step 103 goes out activity of force and electric system according to each calculating the wind-powered electricity generation photovoltaic at moment in the D calculating cycle
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in load value and the D calculating cycle
Go out activity of force and power system load maximum value, calculates the pump-storage generator for each calculating the moment in the D calculating cycle
Go out activity of force.
In step 103, activity of force and electric power can be gone out according to the wind-powered electricity generation photovoltaic for each calculating the moment in D calculating cycle
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in system load value and D calculating cycle
Go out activity of force and power system load maximum value, calculates the pump-storage generator output for each calculating the moment in D calculating cycle
Power.
For example, it is negative to go out activity of force and electric system according to the wind-powered electricity generation photovoltaic for each calculating the moment in D calculating cycle
Wind-powered electricity generation photovoltaic output work(when power system load value is maximum value in each calculating cycle in charge values and D calculating cycle
Rate and power system load maximum value each calculate the moment when calculating makes object function obtain minimum in D calculating cycle
Pump-storage generator goes out activity of force；
Wherein, object function can be：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIndicate the
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in i calculating cycleLd, i, jWhen indicating that jth calculates in i-th of calculating cycle
The power system load value at quarter,Indicate the storage that draws water when power system load value is maximum value in i-th of calculating cycle
Energy unit output power,Indicate that wind-powered electricity generation photovoltaic when power system load value is maximum value in i-th of calculating cycle goes out
Activity of force,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤j≤H, H are a meter
Calculate calculating moment number total in the period.For example, H can be when hop count total in one day, H can be with value for 24.In this way, due to
PCx, i, jWithIt is obtained in the case where making object function obtain minimum, therefore may be implemented to make wind-powered electricity generation, light
Volt, water-storage joint power producing characteristics and system load characteristic coincide, and peak regulation pressure will not be brought to electric system, promotes interval
Property regenerative resource contribute have more power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
Step 104, respectively according to the pump-storage generator that the moment is each calculated in the D calculating cycle go out activity of force into
Row is contributed.
At step 104, calculate each calculated in D calculating cycle the moment pump-storage generator go out activity of force it
Afterwards, activity of force can be gone out according to the pump-storage generator for each calculating the moment in D calculating cycle respectively to contribute.
The pump-storage generator output method of the embodiment of the present invention obtains in D calculating cycle each calculate the moment respectively
Wind-powered electricity generation photovoltaic go out activity of force and power system load value, D is positive integer；It obtains and is each counted in the D calculating cycle respectively
It calculates wind-powered electricity generation photovoltaic when power system load value is maximum value in the period and goes out activity of force and power system load maximum value；According to institute
State each calculated in D calculating cycle the moment wind-powered electricity generation photovoltaic go out activity of force and power system load value and it is described D calculating
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in period goes out activity of force and power system load
Maximum value calculates and each calculates the pump-storage generator at moment in the D calculating cycle and go out activity of force；Respectively according to the D
The pump-storage generator that the moment is each calculated in a calculating cycle goes out activity of force and contributes.In this way, can make wind-powered electricity generation, photovoltaic,
Water-storage combines power producing characteristics and coincide with system load characteristic, and peak regulation pressure will not be brought to electric system, promotes intermittence
Regenerative resource, which is contributed, has more power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
It is the flow chart of another pump-storage generator output method provided in an embodiment of the present invention referring to Fig. 2, Fig. 2.Such as
Shown in Fig. 2, include the following steps：
Step 201 obtains and each calculates the wind-powered electricity generation photovoltaic at moment in D calculating cycle and go out activity of force and electric system respectively
Load value, D are positive integer.
In step 201, can obtain respectively each calculated in D calculating cycle the moment wind-powered electricity generation photovoltaic go out activity of force and
Power system load value, D are positive integer.D indicates that hydroenergy storage station regulating cycle, D can be number of days, and D can be 7 days.I.e.
The hydroenergy storage station of the present invention can be to adjust power station in week.
Step 202, to obtain in the D calculating cycle power system load value in each calculating cycle respectively be maximum value
When wind-powered electricity generation photovoltaic go out activity of force and power system load maximum value.
In step 202, it is most that can obtain in D calculating cycle power system load value in each calculating cycle respectively
Wind-powered electricity generation photovoltaic when big value goes out activity of force and power system load maximum value.
Step 203 goes out activity of force and electric system according to each calculating the wind-powered electricity generation photovoltaic at moment in the D calculating cycle
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in load value and the D calculating cycle
Go out activity of force and power system load maximum value, calculating is each in the D calculating cycle when object function being made to obtain minimum
The pump-storage generator for calculating the moment goes out activity of force；
Wherein, the object function is：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIndicate the
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in i calculating cycleLd, i, jWhen indicating that jth calculates in i-th of calculating cycle
The power system load value at quarter,Indicate the storage that draws water when power system load value is maximum value in i-th of calculating cycle
Energy unit output power,Indicate that wind-powered electricity generation photovoltaic when power system load value is maximum value in i-th of calculating cycle goes out
Activity of force,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤j≤H, H are a calculating
Total calculating moment number in period.
In step 203, activity of force and electric power can be gone out according to the wind-powered electricity generation photovoltaic for each calculating the moment in D calculating cycle
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in system load value and D calculating cycle
Go out activity of force and power system load maximum value, is each calculated in D calculating cycle when calculating makes object function obtain minimum
The pump-storage generator at moment goes out activity of force；
Wherein, object function can be：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIndicate the
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in i calculating cycleLd, i, jWhen indicating that jth calculates in i-th of calculating cycle
The power system load value at quarter,Indicate the storage that draws water when power system load value is maximum value in i-th of calculating cycle
Energy unit output power,Indicate that wind-powered electricity generation photovoltaic when power system load value is maximum value in i-th of calculating cycle goes out
Activity of force,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤j≤H, H are a meter
Calculate calculating moment number total in the period.For example, H can be when hop count total in one day, H can be with value for 24.In this way, due to
PCx, i, jWithIt is obtained in the case where making object function obtain minimum, therefore may be implemented to make wind-powered electricity generation, light
Volt, water-storage joint power producing characteristics and system load characteristic coincide, and peak regulation pressure will not be brought to electric system, promotes interval
Property regenerative resource contribute have more power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
Step 204, respectively according to the pump-storage generator that the moment is each calculated in the D calculating cycle go out activity of force into
Row is contributed.
In step 204, calculate each calculated in D calculating cycle the moment pump-storage generator go out activity of force it
Afterwards, activity of force can be gone out according to the pump-storage generator for each calculating the moment in D calculating cycle respectively to contribute.
Optionally, in the case where the pump-storage generator is in power generation situation, the PCx, i, jMeet pump-storage generator output
Constraints：
It is in electricity consumption of drawing water, the P in the pump-storage generatorCx, i, jMeet pump-storage generator to contribute about
Beam condition：
Wherein, N is pump-storage generator number of units, PNFor the installed capacity of separate unit pump-storage generator.
It should be noted that pump-storage generator includes conventional power unit and variable units, conventional power unit and variable units
It is reversible pump turbine group, power producing characteristics are as follows：
When generating operation mode (hydraulic turbine condition)：The generator output power of separate unit conventional power unit and variable units 0~
PNIt is adjustable in range.
When pumping operation mode (pump operating condition)：Separate unit conventional power unit input power is nonadjustable rated input power-PN；It is single
Platform variable units input power is in-PN~-0.5PNIt is adjustable in range.As shown in the table, it is different types of pump-turbine group
Output situation：
The form of both the above unit type combination may be used in hydroenergy storage station.It is in power generation in pump-storage generator
In the case of, PCx, i, jMeet pump-storage generator units limits condition：
It is in electricity consumption of drawing water, P in pump-storage generatorCx, i, jMeet pump-storage generator units limits condition：
Wherein, N is pump-storage generator number of units, PNFor the installed capacity of separate unit pump-storage generator.That is either separate unit
Conventional power unit or separate unit variable units, installed capacity are PN。
Optionally, the PCx, i, jIt is P in the case where the pump-storage generator is in power generation situationF, i, j, the PCx, i, jInstitute
It is P to state in the case of pump-storage generator is in electricity consumption of drawing waterC, i, j；
The PF, i, jWith the PC, i, jMeet maximum generating watt and maximum electricity consumption constraints in regulating cycle：
T is period, TmfHourage is completely sent out to be maximum in regulating cycle, η is the transfer efficiency of drawing water of hydroenergy storage station
Or power generation transfer efficiency.
The water level of hydroenergy storage station at any time need to meet reservoir capacity constraint up and down, be shown below：
Wherein, QF, i, jIt indicates when pump-storage generator jth calculating moment in i-th of calculating cycle is in power generation situation
Water consumption；QC, i, jIndicate that pump-storage generator jth in i-th of calculating cycle calculates moment drawing water when being in pumping operation mode
Amount.QsxIndicate upper storage reservoir storage capacity；QxsIndicate lower storage reservoir storage capacity.
According to the relationship of storage capacity and pumping generated energy, storage capacity constraint can be converted into regulating cycle maximum hair/electricity consumption constraint.
Then above formula can be expressed as：
Wherein, PCx, i, jIt is P in the case where pump-storage generator is in power generation situationF, i, j, i.e. PF, i, jIndicate pump-storage generator
Jth calculates the generated output at moment in i-th of calculating cycle, is positive value.PCx, i, jIt is in electricity consumption of drawing water in pump-storage generator
In the case of be PC, i, j, i.e. PC, i, jIndicate that pump-storage generator jth in i-th of calculating cycle calculates drawing water for moment and uses electric work
Rate is negative value.Since hydroenergy storage station is drawn water, generating electricity uses same complete equipment, at any time, water-storage
Power station is only capable of a kind of state in drawing water or generating electricity, i.e. PF, i, j*PC, i, j=0 described constraint.T is the period, can
Take T=1h.TmfHourage is completely sent out to be maximum in regulating cycle, η is draw water transfer efficiency or the power generation turn of hydroenergy storage station
Efficiency is changed, it is 75% generally to take η.
Optionally, the PCx, i, jIt is P in the case where the pump-storage generator is in power generation situationF, i, j, the PCx, i, jInstitute
It is P to state in the case of pump-storage generator is in electricity consumption of drawing waterCx, i, j；
The PF, i, jWith the PCx, i, jMeet balance of electric power and ener constraints：
Hydroenergy storage station in the present invention can be to adjust power station in week, therefore meet balance of electric power and ener in one week domestic demand
Constraints, to ensure that the reservoir level of hydroenergy storage station is basically unchanged.Balance of electric power and ener constraints can indicate
For：
Can to draw water transfer efficiency or power generation transfer efficiency leave and take certain nargin, above formula can be converted into：
Wherein, x be draw water transfer efficiency nargin or be power generation transfer efficiency nargin.
The pump-storage generator output method of the embodiment of the present invention can make wind-powered electricity generation, photovoltaic, water-storage joint contribute special
Property with system load characteristic coincide, peak regulation pressure will not be brought to electric system, promote the intermittent renewable energy output have more
There is power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
It is the structure chart of pump-storage generator provided in an embodiment of the present invention referring to Fig. 3, Fig. 3, can realizes above-described embodiment
The details of middle pump-storage generator output method, and reach identical effect.As shown in figure 3, pump-storage generator 300 includes the
One acquisition module 301, the second acquisition module 302, computing module 303 and go out power module 304, wherein：
First acquisition module 301, for obtaining the wind-powered electricity generation photovoltaic output work(for each calculating the moment in D calculating cycle respectively
Rate and power system load value, D are positive integer；
Second acquisition module 302, for obtaining respectively, electric system is negative in each calculating cycle in the D calculating cycle
Wind-powered electricity generation photovoltaic when charge values are maximum value goes out activity of force and power system load maximum value；
Computing module 303, for according to the wind-powered electricity generation photovoltaic that the moment is each calculated in the D calculating cycle go out activity of force and
When power system load value is maximum value in each calculating cycle in power system load value and the D calculating cycle
Wind-powered electricity generation photovoltaic goes out activity of force and power system load maximum value, calculates in the D calculating cycle and each calculates drawing water for moment
Accumulation of energy unit output power；
Go out power module 304, for going out respectively according to each calculating the pump-storage generator at moment in the D calculating cycle
Activity of force is contributed.
Optionally, the computing module 303 is specifically used for according to the wind-powered electricity generation for each calculating the moment in the D calculating cycle
Photovoltaic goes out in activity of force and power system load value and the D calculating cycle power system load in each calculating cycle
Wind-powered electricity generation photovoltaic when value is maximum value goes out activity of force and power system load maximum value, when calculating makes object function obtain minimum
The pump-storage generator at moment, which is each calculated, in the D calculating cycle goes out activity of force；
Wherein, the object function is：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIndicate the
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in i calculating cycleLd, i, jWhen indicating that jth calculates in i-th of calculating cycle
The power system load value at quarter,Indicate the storage that draws water when power system load value is maximum value in i-th of calculating cycle
Energy unit output power,Indicate that wind-powered electricity generation photovoltaic when power system load value is maximum value in i-th of calculating cycle goes out
Activity of force,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤j≤H, H are a meter
Calculate calculating moment number total in the period.
Optionally, in the case where the pump-storage generator is in power generation situation, the PCx, i, jMeet pump-storage generator output
Constraints：
It is in electricity consumption of drawing water, the P in the pump-storage generatorCx, i, jMeet pump-storage generator to contribute about
Beam condition：
Wherein, N is pump-storage generator number of units, PNFor the installed capacity of separate unit pump-storage generator.
Optionally, the PCx, i, jIt is P in the case where the pump-storage generator is in power generation situationF, i, j, the PCx, i, jInstitute
It is P to state in the case of pump-storage generator is in electricity consumption of drawing waterC, i, j；
The pF, i, jWith the PC, i, jMeet maximum generating watt and maximum electricity consumption constraints in regulating cycle：
T is period, TmfHourage is completely sent out to be maximum in regulating cycle, η is the transfer efficiency of drawing water of hydroenergy storage station
Or power generation transfer efficiency.
Optionally, the PCx, i, jIt is P in the case where the pump-storage generator is in power generation situationF, i, j, the PCx, i, jInstitute
It is P to state in the case of pump-storage generator is in electricity consumption of drawing waterC, i, j；
The PF, i, jWith the PC, i, jMeet balance of electric power and ener constraints：
Pump-storage generator 300 can realize each mistake that pump-storage generator is realized in the embodiment of the method for Fig. 1 and Fig. 2
Journey, to avoid repeating, which is not described herein again.The pump-storage generator 300 of the embodiment of the present invention may be implemented to make wind-powered electricity generation, photovoltaic,
Water-storage combines power producing characteristics and coincide with system load characteristic, and peak regulation pressure will not be brought to electric system, promotes intermittence
Regenerative resource, which is contributed, has more power grid friendly.To effectively promote wind-powered electricity generation, photovoltaic digestion capability.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited in above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within the protection of the present invention.
Claims (10)
1. a kind of pump-storage generator output method, which is characterized in that including：
The wind-powered electricity generation photovoltaic for each calculating the moment in D calculating cycle of acquisition respectively goes out activity of force and power system load value, and D is just
Integer；
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in the D calculating cycle is obtained respectively
Go out activity of force and power system load maximum value；
Go out activity of force and power system load value according to the wind-powered electricity generation photovoltaic for each calculating the moment in the D calculating cycle, and
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in the D calculating cycle goes out activity of force and electricity
Force system load maximum value calculates and each calculates the pump-storage generator at moment in the D calculating cycle and go out activity of force；
Go out activity of force according to the pump-storage generator for each calculating the moment in the D calculating cycle respectively to contribute.
2. the method as described in claim 1, which is characterized in that described according to each calculating the moment in the D calculating cycle
Wind-powered electricity generation photovoltaic go out in activity of force and power system load value and the D calculating cycle power train in each calculating cycle
Wind-powered electricity generation photovoltaic when system load value is maximum value goes out activity of force and power system load maximum value, calculates the D calculating cycle
Interior each pump-storage generator for calculating the moment goes out activity of force, including：
Go out activity of force and power system load value according to the wind-powered electricity generation photovoltaic for each calculating the moment in the D calculating cycle, and
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in the D calculating cycle goes out activity of force and electricity
Force system load maximum value calculates the pumping for each calculating the moment when object function being made to obtain minimum in the D calculating cycle
Water accumulation of energy unit output power；
Wherein, the object function is：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIt indicates i-th
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in calculating cycleLd, i, jIndicate that jth calculates the moment in i-th of calculating cycle
Power system load value,Indicate water-storage machine when power system load value is maximum value in i-th of calculating cycle
Group goes out activity of force,Indicate wind-powered electricity generation photovoltaic output work(when power system load value is maximum value in i-th of calculating cycle
Rate,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤i≤H, H are a calculating cycle
Interior total calculating moment number.
3. method as claimed in claim 2, which is characterized in that described in the case where the pump-storage generator is in power generation situation
PCx, i, jMeet pump-storage generator units limits condition：
It is in electricity consumption of drawing water, the P in the pump-storage generatorCx, i, jMeet pump-storage generator units limits item
Part：
Wherein, N is pump-storage generator number of units, PNFor the installed capacity of separate unit pump-storage generator.
4. method as claimed in claim 2, which is characterized in that the PCx, i, jIt is in power generation feelings in the pump-storage generator
It is P under conditionF, i, j, the PCx, i, jIt is P to be in electricity consumption of drawing water in the pump-storage generatorC, i, j；
The PF, i, jWith the PC, i, jMeet maximum generating watt and maximum electricity consumption constraints in regulating cycle：
T is period, TmfCompletely send out hourage to be maximum in regulating cycle, η be hydroenergy storage station draw water transfer efficiency or
Generate electricity transfer efficiency.
5. method as claimed in claim 2, which is characterized in that the PCx, i, jIt is in power generation feelings in the pump-storage generator
It is p under conditionF, i, j, the PCx, i, jIt is P to be in electricity consumption of drawing water in the pump-storage generatorC, i, j；
The PF, i, jWith the PC, i, jMeet balance of electric power and ener constraints：
6. a kind of pump-storage generator, which is characterized in that including：
First acquisition module each calculates the wind-powered electricity generation photovoltaic at moment and goes out activity of force and electricity for obtaining respectively in D calculating cycle
Force system load value, D are positive integer；
Second acquisition module, for obtaining respectively, power system load value is in each calculating cycle in the D calculating cycle
Wind-powered electricity generation photovoltaic when maximum value goes out activity of force and power system load maximum value；
Computing module, for going out activity of force and power train according to each calculating the wind-powered electricity generation photovoltaic at moment in the D calculating cycle
Wind-powered electricity generation light when power system load value is maximum value in each calculating cycle in load value and the D calculating cycle of uniting
Activity of force and power system load maximum value are lied prostrate out, the water-storage machine for each calculating the moment in the D calculating cycle is calculated
Group goes out activity of force；
Go out power module, for going out activity of force according to each calculating the pump-storage generator at moment in the D calculating cycle respectively
It contributes.
7. pump-storage generator as claimed in claim 6, which is characterized in that the computing module is specifically used for according to the D
The wind-powered electricity generation photovoltaic that the moment is each calculated in a calculating cycle goes out activity of force and power system load value and described D calculates week
Wind-powered electricity generation photovoltaic when power system load value is maximum value in each calculating cycle in phase goes out activity of force and power system load most
Big value, calculating each calculate the pump-storage generator at moment in the D calculating cycle when object function being made to obtain minimum and go out
Activity of force；
Wherein, the object function is：
PCx, i, jIndicate that the pump-storage generator at jth calculating moment in i-th of calculating cycle goes out activity of force, PNe, i, jIt indicates i-th
The wind-powered electricity generation photovoltaic at jth calculating moment goes out activity of force, P in calculating cycleLd, i, jIndicate that jth calculates the moment in i-th of calculating cycle
Power system load value,Indicate water-storage machine when power system load value is maximum value in i-th of calculating cycle
Group goes out activity of force,Indicate wind-powered electricity generation photovoltaic output work(when power system load value is maximum value in i-th of calculating cycle
Rate,Indicate that power system load maximum value in i-th of calculating cycle, 1≤i≤D, 1≤j≤H, H are a calculating cycle
Interior total calculating moment number.
8. pump-storage generator as claimed in claim 7, which is characterized in that be in power generation situation in the pump-storage generator
Under, the PCx, i, jMeet pump-storage generator units limits condition：
It is in electricity consumption of drawing water, the P in the pump-storage generatorCx, i, jMeet pump-storage generator units limits item
Part：
Wherein, N is pump-storage generator number of units, PNFor the installed capacity of separate unit pump-storage generator.
9. pump-storage generator as claimed in claim 7, which is characterized in that the PCx, i, jAt the pump-storage generator
It is P under power generation situationF, i, j, the PCx, i, jIt is P to be in electricity consumption of drawing water in the pump-storage generatorC, i, j；
The PF, i, jWith the PC, i, jMeet maximum generating watt and maximum electricity consumption constraints in regulating cycle：
T is period, TmfCompletely send out hourage to be maximum in regulating cycle, η be hydroenergy storage station draw water transfer efficiency or
Generate electricity transfer efficiency.
10. pump-storage generator as claimed in claim 7, which is characterized in that the PCx, i, jAt the pump-storage generator
It is P under power generation situationF, i, j, the PCx, i, jIt is P to be in electricity consumption of drawing water in the pump-storage generatorC, i, j；
The PF, i, jWith the PC, i, jMeet balance of electric power and ener constraints：
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