CN108206539A - A kind of renewable energy power generation distribution network planning method - Google Patents
A kind of renewable energy power generation distribution network planning method Download PDFInfo
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- CN108206539A CN108206539A CN201810024402.3A CN201810024402A CN108206539A CN 108206539 A CN108206539 A CN 108206539A CN 201810024402 A CN201810024402 A CN 201810024402A CN 108206539 A CN108206539 A CN 108206539A
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- 238000010248 power generation Methods 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000013439 planning Methods 0.000 title claims abstract description 22
- 238000009826 distribution Methods 0.000 title claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 20
- 241000196324 Embryophyta Species 0.000 description 90
- 230000001172 regenerating effect Effects 0.000 description 32
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- 230000005540 biological transmission Effects 0.000 description 7
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- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- 238000005457 optimization Methods 0.000 description 2
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- H02J3/382—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The application provides a kind of renewable energy power generation distribution network planning method, the rated capacity including obtaining power station, photovoltaic plant and wind power station respectively, power station, photovoltaic plant and wind power station number as one or more.Power station distance between power station and photovoltaic plant, wind power station and photovoltaic plant, power station and wind power station is obtained respectively and apart from related coefficient.The wind angle related coefficient between wind power station and photovoltaic plant, power station and wind power station is obtained respectively.Based on rated capacity, power station distance, apart from related coefficient and wind angle related coefficient, calculate the power generation proportionality coefficient in power station, photovoltaic plant and wind power station, according to power generation proportionality coefficient, the capacity output of power network line is calculated, according to capacity output, generation distribution net is planned.The Electric power network planning method that the application provides, it is contemplated that capacity output is optimized in the correlation properties of generated output of renewable energy source, reduces the investment of conveying circuit, improves the economy of Electric Power Network Planning.
Description
Technical field
The present invention relates to regenerative resource electric power network technique field more particularly to a kind of renewable energy power generation distribution network plannings
Method.
Background technology
Regenerative resource is the energy from the Nature, is the inexhaustible energy, is relative to meeting limit
Non-renewable energy resources a kind of energy, environmental sound or harm are minimum, and resource distribution is extensive, suitable for exploitation profit on the spot
With.The technology that regenerative resource is applied to generate electricity has been increasingly becoming to the hot spot of people's research, has been used in and is transported to the renewable of electricity
The energy mainly has water power generation, wind-power electricity generation and photovoltaic generation etc..
Due to area of most regenerative resource compared with horn of plenty or the area with wind-force, photovoltaic resources powers with living
Area distance is more remote, therefore in certain some areas, and the electric power resources such as water power, photovoltaic, wind-powered electricity generation may be only by a transmission of electricity
Circuit conveys.And the method planned to the transmission line of electricity of power grid is mainly to calculate the capacity limitation of circuit and transient state and stable state
The stable limit.Or consider regenerative resource account for gross generation ratio number, to ensure the safe and stable operation of transmission line of electricity,
The maximum power of each regenerative resource power station power generation is calculated, is accounted in gross generation further according to maximum power generation summation
Ratio plans transmission line of electricity.
However, each output of power station of renewable energy power generation distribution has certain characteristic, such as when it is raining, photovoltaic plant is defeated
Electrical power can reduce, and the transmitted power in water power power station can increase.In existing regenerative resource transmission tine planning, suddenly
Having omited renewable energy power generation has the characteristics that mutually to constrain or mutually promote, cause planning power transmission electric network circuit economy compared with
Difference, conveying cost are higher.
Invention content
This application provides a kind of renewable energy power generation distribution network planning methods, are transmitted electricity with solving existing regenerative resource
In layout of roads, ignoring generated output of renewable energy source characteristic has the characteristics that mutually to constrain or mutually promote, and leads to planning
The problem of power network line economy is poor, and conveying cost is higher.
A kind of renewable energy power generation distribution network planning method, including：
Obtain the rated capacity in power station, photovoltaic plant and wind power station respectively, the power station, the photovoltaic plant and
The number of the wind power station is one or more；
The power station and the photovoltaic plant, the wind power station and the photovoltaic plant, the water power are obtained respectively
Stand between the wind power station power station distance and apart from related coefficient；
The wind angle between the wind power station and the photovoltaic plant, the power station and the wind power station is obtained respectively
Related coefficient；
Based on the rated capacity, power station distance, described apart from related coefficient and the wind angle related coefficient, meter
Calculate the power generation proportionality coefficient in the power station, the photovoltaic plant and the wind power station；
According to the power generation proportionality coefficient, the capacity output of power network line is calculated；
According to the capacity output, generation distribution net is planned.
Optionally, the capacity output for calculating power network line includes：
The capacity output of power network line is calculated according to equation below：
Wherein, HmaxFor the maximum power of hydropower station, SmaxFor the maximum power of photovoltaic power station power generation, WmaxFor wind-force
The maximum power of power station power generation, K1For the power generation proportionality coefficient in power station, K2For the power generation proportionality coefficient of photovoltaic plant, K3For wind
The power generation proportionality coefficient of power station, K1, K2, K3Value between 0-1.
Optionally, the power generation proportionality coefficient packet for calculating the power station, the photovoltaic plant and the wind power station
It includes：
The power generation proportionality coefficient in the power station is calculated according to equation below：
Wherein,HmaxFor the maximum power of hydropower station, Smax
For the maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant
Distance, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind-force
Between power station and power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and light
Between overhead utility apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and
Wind angle related coefficient between photovoltaic plant.
Optionally, the power generation proportionality coefficient packet for calculating the power station, the photovoltaic plant and the wind power station
It includes：
The power generation proportionality coefficient of the photovoltaic plant is calculated according to equation below：
Wherein,HmaxFor the maximum power of hydropower station, SmaxFor
The maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant away from
From, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind electricity
Stand between power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and photovoltaic
Between power station apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and light
Wind angle related coefficient between overhead utility.
Optionally, the power generation proportionality coefficient packet for calculating the power station, the photovoltaic plant and the wind power station
It includes：
The power generation proportionality coefficient of the wind power station is calculated according to equation below：
Wherein,HmaxFor the maximum power of hydropower station, Smax
For the maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant
Distance, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind-force
Between power station and power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and light
Between overhead utility apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and
Wind angle related coefficient between photovoltaic plant.
Optionally, it is described to obtain the wind power station and the photovoltaic plant, the power station and the wind electricity respectively
Wind angle related coefficient between standing includes：
By the wind power station and the photovoltaic plant, the wind direction angle initialization between the power station and the wind-force electrical machinery
For eight directions, according to the wind direction feature of all directions, the related coefficient of wind angle is obtained.
The technical solution that the application provides includes following advantageous effects：
The application provides a kind of renewable energy power generation distribution network planning method, with planning power network line in the prior art
When have ignored renewable energy power generation and have the characteristics that mutually to constrain or mutually promote to compare, the generation distribution net that the application provides
Planing method, with the rated capacity in each regenerative resource power station, the distance in power station and the wind direction phase between related coefficient, power station
Closing property is Consideration, it is determined that the related coefficient ratio of the generated output in power station, photovoltaic plant and wind power station, so that it is right
The capacity of regenerative resource conveying is optimized, and reduces the investment of conveying circuit, improves the warp that generation distribution network planning is drawn
Ji property reduces the cost of conveying.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of flow chart of renewable energy power generation distribution network planning method provided by the embodiments of the present application.
Specific embodiment
Attached drawing herein is incorporated into specification and forms the part of this specification, shows the implementation for meeting the application
Example, and for explaining the principle of the application together with specification.
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of flow chart of renewable energy power generation distribution network planning method provided by the embodiments of the present application.Referring to
Fig. 1, this method comprises the following steps：
S101：Obtain the rated capacity in power station, photovoltaic plant and wind power station respectively, the power station, photovoltaic plant and
The number of wind power station is one or more.
It should be noted that in the present embodiment, the maximum power in power station, photovoltaic plant and wind power station power generation is equal to hair
The rated power in power station.Regenerative resource power station includes one or more power stations, one or more photovoltaic plants, one or
Multiple wind power stations.And plant without storage of the power station for no balancing reservoir.Power station, photovoltaic plant and wind power station
Quantity is not limited in this application.
S102：It obtains between power station and photovoltaic plant, wind power station and photovoltaic plant, power station and wind power station respectively
Power station distance and apart from related coefficient.
Since in the region of more Relatively centralized, the power generation characteristics between power station, photovoltaic plant, wind power station have one
Fixed correlation, thus the distance between two power stations has a certain impact to power generation characteristics tool.Specifically, during such as blowing and raining, light
The generated output of overhead utility can decrease, and the generated output in power station increased, and the generated output of wind power station also has
Increased.If the distance in so power station and photovoltaic plant is nearer, total generated output is with regard to smaller；Power station and wind power station
Distance is nearer, and total generated output is bigger, and the distance of wind power station and photovoltaic plant is nearer, then total generated output is smaller.
S103：The wind angle related coefficient between wind power station and photovoltaic plant, power station and wind power station is obtained respectively.
The angle of wind direction has larger relationship, therefore different wind angles between the generated output and wind power station of wind-power electricity generation
Under degree, wind power station and power station, wind power station is different from total generated output of photovoltaic plant.
S104：Based on rated capacity, power station distance, apart from related coefficient and wind angle related coefficient, calculating power station, light
The power generation proportionality coefficient of overhead utility and wind power station.
Power generation characteristics between power station, photovoltaic plant and wind power station have a stronger correlation, and the correlation and electricity
Mutual distance and wind direction angle between power generation capacity, the power station stood have a larger relationship, thus by the rated capacity in power station,
Distance between power station and the wind angle related coefficient between related coefficient, power station are as influence regenerative resource power producing characteristics
Factor, the correlation that generates electricity to it are analyzed, and obtain power station, photovoltaic plant ratio system related to wind power station generated output
Number.Adequately consider generated output of renewable energy source has the characteristics that mutually to constrain or mutually promote, and improves submitting and holds
Measure the accuracy of optimization.
S105：According to power generation proportionality coefficient, the capacity output of power network line is calculated.
With in the prior art, only considering that total transmission line capability of regenerative resource is compared, the proportionality coefficient of the power generation, it is contemplated that
Generate electricity between the renewable sources of energy mutual restrictive and mutually rush property, the capacity output that the capacity output of acquisition is more specified is smaller, favorably
In the investment for reducing circuit conveying.
S106：According to the capacity output, generation distribution net is planned.
According to the size of capacity output, the route of power grid conveying is planned, electricity is planned using smaller capacity output
Net advantageously reduces the cost of circuit, improves the economy of generation distribution cable circuit planning.The submitting line of optimization is calculated simultaneously
Appearance of a street amount rational deployment, the new energy for being capable of effectively assessment area power grid access influence to rack, it is ensured that new-energy grid-connected
The stable operation of system afterwards.
Obtain first power station, photovoltaic plant and wind power station rated capacity, then obtain power station and photovoltaic plant,
Between wind power station and photovoltaic plant, power station and wind power station power station distance and apart from related coefficient, finally obtain wind electricity
The wind angle related coefficient stood between photovoltaic plant, power station and wind power station.According to the rated capacity of acquisition, power station distance,
Apart from related coefficient and wind angle related coefficient, the ratio of power station, photovoltaic plant and wind power station in power generation conveying output capacity is calculated
Example coefficient.According to the proportionality coefficient in each power station, the capacity output that power network line needs convey is calculated, based on the capacity output,
Generation distribution net conveying circuit is planned.
Optionally, the capacity output for calculating power network line includes, and the capacity output of power network line is calculated according to equation below：
Wherein, HmaxFor the maximum power of hydropower station, SmaxFor the maximum power of photovoltaic power station power generation, WmaxFor wind-force
The maximum power of power station power generation, K1For the power generation proportionality coefficient in power station, K2For the power generation proportionality coefficient of photovoltaic plant, K3For wind
The power generation proportionality coefficient of power station, K1, K2, K3Value between 0-1.
I represents to include i power station in regenerative resource power station, the value of i is 0,1,2,3 ... m.L represents renewable
Include l photovoltaic plant in energy power station, the value of l is 0,1,2,3 ... n.P represents to include p in regenerative resource power station
A wind power station, the value of p are 0,1,2,3 ... j.
It is possible it is a kind of in the case of, regenerative resource power station include there are one power station, a photovoltaic plant and one
Wind power station, the maximum power of hydropower station is Hmax, the maximum power of photovoltaic power station power generation is Smax, wind power station power generation
Maximum power is Wmax, according to the correlation having between power station, photovoltaic plant and wind power station, then regenerative resource power station
Capacity output is：
G=k1*Hmax+k2*Smax+k3*Wmax (2)
Therefore, when including multiple power stations, multiple photovoltaic plants and multiple wind power stations in regenerative resource power station,
Formula (2) just develops into formula (1).
Optionally, the power generation proportionality coefficient of calculating power station, photovoltaic plant and wind power station includes：According to equation below meter
Calculate the power generation proportionality coefficient in power station：
Wherein,HmaxFor the maximum power of hydropower station, Smax
For the maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant
Distance, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind-force
Between power station and power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and light
Between overhead utility apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and
Wind angle related coefficient between photovoltaic plant.
I represents to include i power station in regenerative resource power station, the value of i is 0,1,2,3 ... m.L represents renewable
Include l photovoltaic plant in energy power station, the value of l is 0,1,2,3 ... n.P represents to include p in regenerative resource power station
A wind power station, the value of p are 0,1,2,3 ... j.Il represents i-th of power station and l-th of photovoltaic plant, and pi represents p-th of wind
Power station and i-th of power station, pl represent p-th of wind power station and l-th of photovoltaic plant.
It should be noted that setpoint distance related coefficient is 0.9, it is affected to correlation, the distance set is 10
When kilometer, 20 kilometers, 50 kilometers and 100 kilometers, the value apart from related coefficient is 0.5,0.6,0.8 and 1.Wind between two power stations
Related coefficient is set as 0.1 to angle, the influence of correlation is smaller, and northeast and southwester are most strong for correlation, related coefficient 1,
East, south, west, north is taken second place, and related coefficient 0.9, the southeast and northwest are most weak, related coefficient 0.8.
It is possible it is a kind of in the case of, regenerative resource power station include there are one power station, a photovoltaic plant and one
Wind power station, for power station and photovoltaic plant, photovoltaic plant output power reduces during due to raining, but water power generates electricity
Measuring increases, therefore the two mutual distance is negatively correlated with built photovoltaic power station power generation amount summation with water power, i.e. the two distance is nearer, and the two is defeated
It is smaller to go out power summation.For power station and wind power station, water power and wind power station generated energy increase during due to blowing and raining,
Therefore the two mutual distance and two power station generated energy summation positive correlations；And the two distance is nearer, and wind-force is bigger, the two output work
Rate summation is bigger, therefore the sum of the two generated energy is also with wind angle positive correlation.Therefore according to set forth above available：
Wherein, G '=Hmax+Smax+Wmax, convolution (2) arrange formula (4) and (5) can obtain：
Therefore, when including multiple power stations, multiple photovoltaic plants and multiple wind power stations in regenerative resource power station,
Formula (4) and formula (5) develop into：
Wherein,Convolution (1) arranges formula (4-1) and formula (5-1)
Formula (3) can be obtained.
Optionally, the power generation proportionality coefficient of calculating power station, photovoltaic plant and wind power station includes, according to equation below meter
Calculate the power generation proportionality coefficient of photovoltaic plant：
Wherein,HmaxFor the maximum power of hydropower station, Smax
For the maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant
Distance, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind-force
Between power station and power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and light
Between overhead utility apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and
Wind angle related coefficient between photovoltaic plant.
I represents to include i power station in regenerative resource power station, the value of i is 0,1,2,3 ... m.L represents renewable
Include l photovoltaic plant in energy power station, the value of l is 0,1,2,3 ... n.P represents to include p in regenerative resource power station
A wind power station, the value of p are 0,1,2,3 ... j.Il represents i-th of power station and l-th of photovoltaic plant, and pi represents p-th of wind
Power station and i-th of power station, pl represent p-th of wind power station and l-th of photovoltaic plant.
It is possible it is a kind of in the case of, regenerative resource power station include there are one power station, a photovoltaic plant and one
Wind power station.For water power and photovoltaic plant, photovoltaic plant output power reduces during due to raining, but water power generated energy
Increase, therefore the two mutual distance is negatively correlated with built photovoltaic power station power generation amount summation with water power, i.e. the two distance is nearer, the two output
Power summation is smaller.For photovoltaic plant and wind power station, wind power station generated energy increases during due to blowing and raining, but photovoltaic electric
It stands lower power production, therefore the two mutual distance and two power station generated energy summations are negatively correlated.But wind-force is bigger, wind power station generated energy
Increase, therefore the two output power summation is bigger, with wind angle positive correlation.Therefore according to set forth above available：
k2Smax+k3Wmax=(γ Lsw+θsw)·G′ (8)
Wherein, G '=Hmax+Smax+Wmax, convolution (2) arrange formula (8) and (4) can obtain：
Therefore, when including multiple power stations, multiple photovoltaic plants and multiple wind power stations in regenerative resource power station,
Formula (8) develops into：
Wherein,Convolution (1) arranges formula (8-1) and formula (4-1)
Formula (7) can be obtained.
Optionally, the power generation proportionality coefficient of calculating power station, photovoltaic plant and wind power station includes, according to equation below meter
Calculate the power generation proportionality coefficient of wind power station：
Wherein,HmaxFor the maximum power of hydropower station, Smax
For the maximum power of photovoltaic power station power generation, WmaxFor the maximum power of wind power station power generation, LshBetween power station and photovoltaic plant
Distance, α between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β are wind-force
Between power station and power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and light
Between overhead utility apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and
Wind angle related coefficient between photovoltaic plant.
I represents to include i power station in regenerative resource power station, the value of i is 0,1,2,3 ... m.L represents renewable
Include l photovoltaic plant in energy power station, the value of l is 0,1,2,3 ... n.P represents to include p in regenerative resource power station
A wind power station, the value of p are 0,1,2,3 ... j.Il represents i-th of power station and l-th of photovoltaic plant, and pi represents p-th of wind
Power station and i-th of power station, pl represent p-th of wind power station and l-th of photovoltaic plant.
It is possible it is a kind of in the case of, regenerative resource power station include there are one power station, a photovoltaic plant and one
Wind power station, for water power and wind power station, water power and wind power station generated energy increase during due to blowing and raining, the two
Mutual distance L and two power station generated energy summation positive correlations.And the two distance is nearer, and wind-force is bigger, the two output power summation
It is bigger, therefore the sum of the two generated energy is also with wind angle positive correlation.For photovoltaic plant and wind power station, due to blowing and raining
When wind power station generated energy increase, but built photovoltaic power station power generation amount reduces, therefore the two mutual distance is born with two power station generated energy summations
Correlation, but wind-force is bigger, and wind power station generated energy increases, therefore the two output power summation is bigger, with wind angle positive correlation.
Therefore convolution (2), formula (5) and formula (8) arrangement obtain：
Therefore, when including multiple power stations, multiple photovoltaic plants and multiple wind power stations in regenerative resource power station,
Formula (10) can obtain according to the arrangement of formula (1), formula (5-1) and formula (8-1).
Optionally, the wind angle related coefficient between wind power station and photovoltaic plant, power station and wind power station is obtained respectively
Including：By wind power station and photovoltaic plant, the wind direction angle between power station and wind-force electrical machinery is set as eight directions, according to each side
To wind direction feature, obtain the related coefficient of wind angle.Eight angles include east, south, west, north, northeast, the southeast, southwest, west
The considerations of north, the related coefficient factor of multi-angle, the accuracy of wind power station generated output related coefficient can be improved, is conducive to
The accuracy that capacity output calculates.
The application provides a kind of renewable energy power generation distribution network planning method, with planning power network line in the prior art
When have ignored renewable energy power generation and have the characteristics that mutually to constrain or mutually promote to compare, the Electric Power Network Planning side that the application provides
Method, using the rated capacity in each regenerative resource power station, the distance in power station and wind direction correlation between related coefficient, power station as
Consideration.The related coefficient ratio of the generated output of water power, photovoltaic and wind-powered electricity generation is determined, and then to regenerative resource conveying
Capacity is optimized, and reduces the investment of conveying circuit, improves the economy of Electric Power Network Planning, reduces the cost of conveying.
It should be noted that such as term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Include so that article or equipment including a series of elements not only include those elements, but also including not bright
It the other element really listed or further includes as elements inherent to such a process, method, article, or device.Do not having
In the case of more limitations, the element that is limited by sentence "including a ...", it is not excluded that the process including the element,
Also there are other identical elements in method, article or equipment.
The above is only the specific embodiment of the application, is made skilled artisans appreciate that or realizing this Shen
Please.A variety of modifications of these embodiments will be apparent to one skilled in the art, it is as defined herein
General Principle can in other embodiments be realized in the case where not departing from spirit herein or range.Therefore, the application
The embodiments shown herein is not intended to be limited to, and is to fit to and the principles and novel features disclosed herein phase one
The most wide range caused.
It should be understood that the content that the application is not limited to be described above and be shown in the drawings, and can
To carry out various modifications and change without departing from the scope.Scope of the present application is only limited by appended claim.
Claims (6)
- A kind of 1. renewable energy power generation distribution network planning method, which is characterized in that including：Obtain the rated capacity in power station, photovoltaic plant and wind power station respectively, the power station, the photovoltaic plant and described The number of wind power station is one or more；Obtain respectively the power station and the photovoltaic plant, the wind power station and the photovoltaic plant, the power station with Between the wind power station power station distance and apart from related coefficient；The wind angle obtained respectively between the wind power station and the photovoltaic plant, the power station and the wind power station is related Coefficient；Based on the rated capacity, power station distance, described apart from related coefficient and the wind angle related coefficient, institute is calculated State the power generation proportionality coefficient in power station, the photovoltaic plant and the wind power station；According to the power generation proportionality coefficient, the capacity output of power network line is calculated；According to the capacity output, generation distribution net is planned.
- 2. according to the method described in claim 1, it is characterized in that, the capacity output for calculating power network line includes：The capacity output of power network line is calculated according to equation below：Wherein, HmaxFor the maximum power of hydropower station, SmaxFor the maximum power of photovoltaic power station power generation, WmaxFor wind power station The maximum power of power generation, K1For the power generation proportionality coefficient in power station, K2For the power generation proportionality coefficient of photovoltaic plant, K3For wind electricity The power generation proportionality coefficient stood, K1, K2, K3Value between 0-1.
- 3. according to the method described in claim 1, it is characterized in that, described calculate the power station, the photovoltaic plant and institute The power generation proportionality coefficient for stating wind power station includes：The power generation proportionality coefficient in the power station is calculated according to equation below：Wherein,HmaxFor the maximum power of hydropower station, SmaxFor photovoltaic The maximum power of power station power generation, WmaxFor the maximum power of wind power station power generation, LshDistance between power station and photovoltaic plant, α Between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β for wind power station and Between power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and photovoltaic plant Between apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and photovoltaic electric Wind angle related coefficient between standing.
- 4. according to the method described in claim 1, it is characterized in that, described calculate the power station, the photovoltaic plant and institute The power generation proportionality coefficient for stating wind power station includes：The power generation proportionality coefficient of the photovoltaic plant is calculated according to equation below：Wherein,HmaxFor the maximum power of hydropower station, SmaxFor photovoltaic The maximum power of power station power generation, WmaxFor the maximum power of wind power station power generation, LshDistance between power station and photovoltaic plant, α Between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β for wind power station and Between power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and photovoltaic plant Between apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and photovoltaic electric Wind angle related coefficient between standing.
- 5. according to the method described in claim 1, it is characterized in that, described calculate the power station, the photovoltaic plant and institute The power generation proportionality coefficient for stating wind power station includes：The power generation proportionality coefficient of the wind power station is calculated according to equation below：Wherein,HmaxFor the maximum power of hydropower station, SmaxFor photovoltaic The maximum power of power station power generation, WmaxFor the maximum power of wind power station power generation, LshDistance between power station and photovoltaic plant, α Between power station and photovoltaic plant apart from related coefficient, LwhDistance between wind power station and power station, β for wind power station and Between power station apart from related coefficient, LswDistance between wind power station and photovoltaic plant, γ are wind power station and photovoltaic plant Between apart from related coefficient, θpiWind angle related coefficient between wind power station and power station, θplFor wind power station and photovoltaic electric Wind angle related coefficient between standing.
- 6. according to the method described in claim 1, it is characterized in that, described obtain the wind power station and the photovoltaic electric respectively It stands, the wind angle related coefficient between the power station and the wind power station includes：By the wind power station and the photovoltaic plant, the wind direction angle between the power station and the wind-force electrical machinery is set as eight A direction according to the wind direction feature of all directions, obtains the related coefficient of wind angle.
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