CN103306906A - Method for determining installation capacity of wind turbine applicable to local wind resources - Google Patents
Method for determining installation capacity of wind turbine applicable to local wind resources Download PDFInfo
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- CN103306906A CN103306906A CN2013102600481A CN201310260048A CN103306906A CN 103306906 A CN103306906 A CN 103306906A CN 2013102600481 A CN2013102600481 A CN 2013102600481A CN 201310260048 A CN201310260048 A CN 201310260048A CN 103306906 A CN103306906 A CN 103306906A
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- wind
- energy conversion
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- wind energy
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 title abstract 4
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 238000006243 chemical reaction Methods 0.000 claims description 73
- 230000005611 electricity Effects 0.000 claims description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 4
- 230000001186 cumulative effect Effects 0.000 claims description 4
- 238000005315 distribution function Methods 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 230000003746 surface roughness Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000001228 spectrum Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/82—Forecasts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/20—Purpose of the control system to optimise the performance of a machine
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
-
- 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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a method for determining the installation capacity of a wind turbine applicable to the local wind resources. The method adopts a new wind turbine selection criterion, namely, a rotor power coefficient-electric energy production per unit area criterion. The method comprises four steps as follows: establishment and analysis of a wind spectrum, building of a wind turbine station, fitting of a wind turbine power characteristic curve and calculation of wind power electric energy production. According to the method for determining the installation capacity of the wind turbine applicable to the local wind resources, the wind turbine applicable to the local wind resources can be more effectively selected, the selected wind turbine can meet a suitable size, the manufacturing cost can be reduced, the size of a wind power van is reduced, installation is facilitated, at the same time, the electric energy production per unit area can meet a power utilization requirement of a user in a low wind speed range, the variation of the electric energy production per unit area is guaranteed to be smaller, and stable power can be provided.
Description
Technical field
The invention belongs to wind power generation field, relate in particular to a kind of wind energy conversion system installed capacity that is suitable under the local wind-resources and determine method.
Background technique
At present, wind energy conversion system manufacturer has the wind energy conversion system of multiple different capabilities and different model available, and range of capacity is from 25kW to 3MW.Should be according to the wind-resources situation for a concrete wind energy turbine set, from optimal wind-force of wind resource angle Selection, and need not be confined to the capacity of wind energy conversion system, this is just even more important in the less wind energy turbine set of wind speed.Within the definite time period, reflection wind energy conversion system topmost index of efficiency in wind field is the average size coefficient for a specific wind energy turbine set, and the average size coefficient is larger, and the efficient of wind energy conversion system is larger, i.e. Wind Power Utilization degree is higher, otherwise lower.So at present for given local wind-resources, select the wind energy conversion system of power coefficient maximum in order to satisfy the usage requirement of user under the local wind-resources.
Energy density is low, the shortcoming of poor stability because wind energy has, and therefore, is difficult to the accurate generated energy of determining wind energy conversion system.External characteristic curve according to wind energy conversion system, be chosen in the wind energy conversion system of power coefficient maximum in each wind speed section in order to satisfy the usage requirement of user under the local wind-resources, there is following shortcoming: if only consider that the wind energy conversion system of power coefficient maximum is as the standard of selection, make user's range of choice excessive, select difficulty, might cause that the wind energy conversion system selected is expensive, size is large, it is inconvenient to install, perhaps the generated energy in low wind speed range can not satisfy the user power utilization requirement, perhaps generated energy changed larger, unstable in the middle of 1 year.
Summary of the invention
The object of the present invention is to provide a kind of wind energy conversion system installed capacity that is suitable under the local wind-resources to determine method, be intended to solve under the requirement of satisfying the customer power supply load, how effectively select the problem of the wind energy conversion system of power coefficient maximum and unit area generated energy maximum.
The present invention realizes like this, a kind of wind energy conversion system installed capacity that is suitable under the local wind-resources is determined method, this wind energy conversion system installed capacity that is suitable under the local wind-resources determines that method adopts power coefficient-unit area generated energy standard, comprises four steps:
Step 1, the foundation of wind spectrogram and analysis;
Step 2, the foundation of fan station;
Step 3, the match of wind energy conversion system power characteristic;
Step 4, the calculating of wind-power electricity generation amount.
Further, the concrete steps of step 1 are as follows:
The first step imports wish by the time sequence wind energy conversion system area original wind speed, the wind direction data in 1 year is installed;
Second step, input are obtained longitude, latitude, local standard air pressure, temperature and the altitude in wind-resources data place;
The 3rd step, the upper and lower of setting unit scale factor and wind speed and 16 wind azimuths;
In the 4th step, calculate the wind spectrogram.
Further, in the 4th step:
Utilize the Weibull distribution curve of cumulative distribution function match wind speed frequency, its function is
Wherein: k is form parameter; A is scale parameter, m/s.
Can obtain from the wind spectrogram value of form parameter k and scale parameter A.
Further, the concrete steps of step 2 are as follows:
The first step is utilized the map editing instrument, on digitizing chart board or map scanning patter file, chooses the map that needs with mouse, directly generates the acceptable map file;
Second step provides the position coordinate at wind energy conversion system station, demarcates the position at wind energy conversion system station at map;
In the 3rd step, according to actual conditions, select to place obstacles thing parameter and surface roughness parameter on every side at the wind energy conversion system station.
Further, the concrete steps of step 3 are as follows: choose dissimilar wind energy conversion system product, come relation between match wind speed and the power according to the real output value of different wind speed apparatus for lower wind generators, and then set up the power characteristic model of wind energy conversion system, carry out the match of wind energy conversion system power characteristic.
Further, the calculating of the middle wind-force generated energy of step 4: utilize wind speed Weibull Function in the step 1 and the wind energy conversion system power characteristic matched curve in the step 3, the unit area moon generated energy of selected all types of wind energy conversion systems in the calculation procedure three.
Effect gathers
A kind of wind energy conversion system installed capacity that is suitable under the local wind-resources provided by the invention is determined method, can more effectively choose the wind energy conversion system that is fit to local wind-resources.Selected wind energy conversion system can satisfy suitable size, can reduce manufacture cost, dwindle the wind blade size, be convenient to install, the generated energy of its unit area satisfies in low wind speed range and can satisfy the user power utilization requirement simultaneously, the generated energy of guarantor unit's area changes less in the middle of 1 year, stable electric weight can be provided.
Description of drawings
Fig. 1 be the embodiment of the invention provide be suitable for the flow chart that wind energy conversion system installed capacity under the local wind-resources is determined method.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated:
As shown in Figure 1, the present invention realizes like this, a kind of wind energy conversion system installed capacity that is suitable under the local wind-resources is determined method, and this wind energy conversion system installed capacity that is suitable under the local wind-resources determines that method adopts power coefficient-unit area generated energy standard, comprises four steps:
Step 1, the foundation of wind spectrogram and analysis;
Step 2, the foundation of fan station;
Step 3, the match of wind energy conversion system power characteristic;
Step 4, the calculating of wind-power electricity generation amount.
As an optimized project of the embodiment of the invention, the concrete steps of step 1 are as follows:
The first step imports wish by the time sequence wind energy conversion system area original wind speed, the wind direction data in 1 year is installed;
Second step, input are obtained longitude, latitude, local standard air pressure, temperature and the altitude in wind-resources data place;
The 3rd step, the upper and lower of setting unit scale factor and wind speed and 16 wind azimuths;
In the 4th step, calculate the wind spectrogram.
As an optimized project of the embodiment of the invention, in the 4th step:
Utilize the Weibull distribution curve of cumulative distribution function match wind speed frequency, its function is
Wherein: k is form parameter; A is scale parameter, m/s.
Can obtain from the wind spectrogram value of form parameter k and scale parameter A.
As an optimized project of the embodiment of the invention, the concrete steps of step 2 are as follows:
The first step is utilized the map editing instrument, on digitizing chart board or map scanning patter file, chooses the map that needs with mouse, directly generates the acceptable map file;
Second step provides the position coordinate at wind energy conversion system station, demarcates the position at wind energy conversion system station at map;
In the 3rd step, according to actual conditions, select to place obstacles thing parameter and surface roughness parameter on every side at the wind energy conversion system station.
Optimized project as the embodiment of the invention, the concrete steps of step 3 are as follows: choose dissimilar wind energy conversion system product, come relation between match wind speed and the power according to the real output value of different wind speed apparatus for lower wind generators, and then set up the power characteristic model of wind energy conversion system, carry out the match of wind energy conversion system power characteristic.
Optimized project as the embodiment of the invention, the calculating of the middle wind-force generated energy of step 4: utilize wind speed Weibull Function in the step 1 and the wind energy conversion system power characteristic matched curve in the step 3, the unit area moon generated energy of selected all types of wind energy conversion systems in the calculation procedure three.
As shown in Figure 1, a kind of wind energy conversion system installed capacity that is suitable under the local wind-resources provided by the invention is determined method, comprise four steps, it sequentially is successively: the match of the foundation of the foundation of wind spectrogram and analysis, fan station, wind energy conversion system power characteristic, the calculating of wind-power electricity generation amount.Can effectively select under local wind-resources by the method, satisfy the user power utilization load lower, the wind energy conversion system of suitable generate output, conforming blade size, appropriate price.
Concrete steps of the present invention are:
Step 1, the foundation of wind spectrogram and analysis
At first, import wish by the time sequence wind energy conversion system area original wind speed, the wind direction data in 1 year are installed; Secondly, input obtains longitude, latitude, local standard air pressure, temperature and the altitude in wind-resources data place; Then, the upper and lower of setting unit scale factor and wind speed and 16 wind azimuths; At last, calculate the wind spectrogram.
Utilize the Weibull distribution curve of cumulative distribution function match wind speed frequency, its function is
Wherein: k is form parameter; A is scale parameter, m/s.
Can obtain from the wind spectrogram value of form parameter k and scale parameter A.
Step 2, the foundation of fan station
At first, utilize the map editing instrument, on digitizing chart board or map scanning patter file, choose the map that needs with mouse, directly generate the acceptable map file; Then, provide the position coordinate at wind energy conversion system station, demarcate the position at wind energy conversion system station at map; At last, according to actual conditions, select to place obstacles thing parameter and surface roughness parameter on every side at the wind energy conversion system station;
Step 3, the match of wind energy conversion system power characteristic
Choose dissimilar wind energy conversion system product, come relation between match wind speed and the power according to the real output value of different wind speed apparatus for lower wind generators, and then set up the power characteristic model of wind energy conversion system, carry out the match of wind energy conversion system power characteristic;
Step 4, the calculating of wind-power electricity generation amount
Utilize wind speed Weibull Function in the step (1) and the wind energy conversion system power characteristic matched curve in the step (3), the unit area moon generated energy of selected all types of wind energy conversion systems in the calculation procedure (3).
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a wind energy conversion system installed capacity that is suitable under the local wind-resources is determined method, it is characterized in that, this wind energy conversion system installed capacity that is suitable under the local wind-resources determines that method adopts power coefficient-unit area generated energy standard, comprises four steps:
Step 1, the foundation of wind spectrogram and analysis;
Step 2, the foundation of fan station;
Step 3, the match of wind energy conversion system power characteristic;
Step 4, the calculating of wind-power electricity generation amount.
2. the wind energy conversion system installed capacity that is suitable under the local wind-resources as claimed in claim 1 is determined method, it is characterized in that, the concrete steps of step 1 are as follows:
The first step imports wish by the time sequence wind energy conversion system area original wind speed, the wind direction data in 1 year is installed;
Second step, input are obtained longitude, latitude, local standard air pressure, temperature and the altitude in wind-resources data place;
The 3rd step, the upper and lower of setting unit scale factor and wind speed and 16 wind azimuths;
In the 4th step, calculate the wind spectrogram.
3. the wind energy conversion system installed capacity that is suitable under the local wind-resources as claimed in claim 2 is determined method, it is characterized in that, in the 4th step:
Utilize the Weibull distribution curve of cumulative distribution function match wind speed frequency, its function is
Wherein: k is form parameter; A is scale parameter, m/s,
Can obtain from the wind spectrogram value of form parameter k and scale parameter A.
4. the wind energy conversion system installed capacity that is suitable under the local wind-resources as claimed in claim 1 is determined method, it is characterized in that, the concrete steps of step 2 are as follows:
The first step is utilized the map editing instrument, on digitizing chart board or map scanning patter file, chooses the map that needs with mouse, directly generates the acceptable map file;
Second step provides the position coordinate at wind energy conversion system station, demarcates the position at wind energy conversion system station at map;
In the 3rd step, according to actual conditions, select to place obstacles thing parameter and surface roughness parameter on every side at the wind energy conversion system station.
5. the wind energy conversion system installed capacity that is suitable under the local wind-resources as claimed in claim 1 is determined method, it is characterized in that, the concrete steps of step 3 are as follows: choose dissimilar wind energy conversion system product, come relation between match wind speed and the power according to the real output value of different wind speed apparatus for lower wind generators, and then set up the power characteristic model of wind energy conversion system, carry out the match of wind energy conversion system power characteristic.
6. the wind energy conversion system installed capacity that is suitable under the local wind-resources as claimed in claim 1 is determined method, it is characterized in that, the calculating of the middle wind-force generated energy of step 4: utilize wind speed Weibull Function in the step 1 and the wind energy conversion system power characteristic matched curve in the step 3, the unit area moon generated energy of selected all types of wind energy conversion systems in the calculation procedure three.
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| CN201310260048.1A CN103306906B (en) | 2013-06-25 | 2013-06-25 | A kind of wind energy conversion system installed capacity defining method be suitable under local wind-resources |
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| CN103306906B CN103306906B (en) | 2015-12-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779837A (en) * | 2019-01-30 | 2019-05-21 | 华润电力风能(青岛)有限公司 | A kind of wind generating set yaw is to wind bearing calibration |
| CN112832952A (en) * | 2020-12-25 | 2021-05-25 | 北方大贤风电科技（北京）有限公司 | Historical meteorological data-based wind energy resource development method |
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| US20020016676A1 (en) * | 2000-07-26 | 2002-02-07 | Christopher Sann | Climatic conditions based pest control management |
| US20080033786A1 (en) * | 2006-08-04 | 2008-02-07 | General Electric Company | Power generation mix forecasting modeling method |
| CN102005771A (en) * | 2010-12-23 | 2011-04-06 | 天津电力设计院 | Energy storage capacity selecting method of wind, photovoltaic and storage micro-grid system |
| CN102214259A (en) * | 2011-06-27 | 2011-10-12 | 内蒙古电力勘测设计院 | Expert system for designing wind power station |
-
2013
- 2013-06-25 CN CN201310260048.1A patent/CN103306906B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020016676A1 (en) * | 2000-07-26 | 2002-02-07 | Christopher Sann | Climatic conditions based pest control management |
| US20080033786A1 (en) * | 2006-08-04 | 2008-02-07 | General Electric Company | Power generation mix forecasting modeling method |
| CN102005771A (en) * | 2010-12-23 | 2011-04-06 | 天津电力设计院 | Energy storage capacity selecting method of wind, photovoltaic and storage micro-grid system |
| CN102214259A (en) * | 2011-06-27 | 2011-10-12 | 内蒙古电力勘测设计院 | Expert system for designing wind power station |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109779837A (en) * | 2019-01-30 | 2019-05-21 | 华润电力风能(青岛)有限公司 | A kind of wind generating set yaw is to wind bearing calibration |
| CN112832952A (en) * | 2020-12-25 | 2021-05-25 | 北方大贤风电科技（北京）有限公司 | Historical meteorological data-based wind energy resource development method |
| CN112832952B (en) * | 2020-12-25 | 2021-10-29 | 北方大贤风电科技（北京）有限公司 | Historical meteorological data-based wind energy resource development method |
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Effective date of registration: 20160811 Address after: 830091 Nanchang road Xinjiang Urumqi shayibake District No. 236 Xinjiang Institute of electric power engineering Patentee after: Xinjiang Institute of Engineering Address before: 830091 Nanchang road the Xinjiang Uygur Autonomous Region Urumqi shayibake District No. 236 Patentee before: Dai Yuanjun |