CN108665123A - Offshore wind energy resource addressing new technology - Google Patents
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- CN108665123A CN108665123A CN201710194009.4A CN201710194009A CN108665123A CN 108665123 A CN108665123 A CN 108665123A CN 201710194009 A CN201710194009 A CN 201710194009A CN 108665123 A CN108665123 A CN 108665123A
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- 238000005516 engineering process Methods 0.000 title claims description 10
- 238000013316 zoning Methods 0.000 claims abstract description 28
- 238000011161 development Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 238000013278 delphi method Methods 0.000 claims abstract description 5
- 238000010276 construction Methods 0.000 claims abstract description 3
- 230000001932 seasonal effect Effects 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 6
- 230000007613 environmental effect Effects 0.000 claims description 5
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 claims 1
- 239000002131 composite material Substances 0.000 claims 1
- 230000007774 longterm Effects 0.000 abstract description 3
- 230000018109 developmental process Effects 0.000 abstract 1
- 230000002123 temporal effect Effects 0.000 abstract 1
- 230000004083 survival effect Effects 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- G—PHYSICS
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention belongs to Yu Haiyang new energy developments to utilize field, be related to comprehensive assessment, the grade zoning of wind energy resources, step includes:First with wind field data, the wind energy concentration big data of long-term sequence, high-spatial and temporal resolution is calculated;Extracted from wind energy concentration big data stock assessment, offshore construction, concern of preventing and reducing natural disasters each element, including wind energy concentration size average for many years, effective wind speed frequency, 200W/m2The stability (including the coefficient of variation, monthly variation index, index of seasonal variation) etc. of the above wind energy concentration frequency, the depth of water, offshore distance, Maximum wind speed, resource;Above-mentioned element is standardized;Analyze the weight of each element;Using Delphi methods, fining ground calculates the desired value of each marine site wind energy resources;The desired value of wind energy resources is divided into 7 grades, realizes the grade zoning of wind energy.And visualized each element of wind energy, grade Zoning using professional drawing software, establish search index;Corresponding wind energy data are returned to user and re-generate image file according to querying condition input by user.
Description
Technical field
The present invention constructs the new standard of a set of wind energy resources grade zoning (i.e. addressing), which can consider to provide comprehensively
Source feature and environmental characteristic also can preferably show the region of wind energy grade than traditional scheme closer in Practical Project demand
Sex differernce belongs to ocean new energy development and utilizes field, is mainly used in offshore wind farm, the both macro and micro of sea water desalination selects
Location.
Background technology
Developing and using for offshore wind energy resource can make positive tribute to alleviate crisis of resource, the environmental crisis of human society
It offers, or outlying island provides supply of electric power, improves its survival ability, the capability of sustainable development, enhancing human development sea
The ability in ocean.The islands and reefs as many jewels are inlayed on boundless sea, these islands and reefs also will be maritime rights and interests maintenance, " 21 generation
The critical support point that discipline Maritime Silk Road " is built.But it is many far from continent, electric power and water supply anxiety, ecology fragility etc.
Difficulty seriously restricts survival ability, the capability of sustainable development on outlying island, is also always a worldwide difficulty for a long time
Topic.In the electrified current era of height, without electricity, many equipment can not operate, or even paralysis.Sea turn is unfolded in adaptation to local conditions
Electricity, electric power, the fresh water that islands and reefs not only may be implemented are self-sufficient, moreover it is possible to which the ecology of effective protection islands and reefs fragility is conducive to improve
Survival ability, the capability of sustainable development of islands and reefs.Wind energy development, assessment are leading.
Forefathers are made that very big contribution in terms of wind power features analysis, but so far, about grinding for wind energy grade zoning
Study carefully extremely rare, and this work substantial connection is to the reasonability of marine wind electric field addressing.In October, 2005, U.S. Department of Energy
(United States Department of Energy) country new energy laboratory (NREL) is provided using QuilSCAT wind fields
Material, depicts the wind energy grade zoning map in global marine site.2014, Zheng Chongwei and Pan Jing utilized CCMP Wind Datas, depict
The wind energy grade zoning map in global marine site.Grade zoning can provide certain ginseng for macroscopical addressing of wind energy development twice for this
It examines, but on the whole, the Territorial Difference of grade Zoning is not notable, as southern hemisphere and northern hemisphere westerlies belongs to 7 grades substantially
Wind energy cannot provide reference for the wind-power electricity generation addressing in westerlies well.In addition, traditional wind energy grade regional project is only
It is solely to consider the size of wind energy concentration, or consider the frequency that wind speed size, the size of wind energy concentration, effective wind speed occur
Three wind energy elements, do not account for marine environment feature substantially, are easily separated from the actual demand of ocean engineering.
From above problem analysis, although inventor recognizes wind energy grade criteria for division at present, element is assessed
It is unilateral, it is easily separated from the actual demand of wind energy development.Many difficult points such as data volume is huge, technology content is high cause there is presently no
Wind power features and the wind energy resources grade criteria for division of marine environment feature can be considered, this just can not be offshore wind farm,
Feasibility study, businessization operation of sea water desalination etc. provide science and technology support, aid decision.
Invention content
Goal of the invention:
With Delphi methods (expert consulting flexible strategy method), construct a set of can consider resource characteristic and environmental characteristic comprehensively
Wind energy resources grade zoning new standard, for the both macro and micro addressing of offshore wind farm, islands and reefs wind-power electricity generation etc. provide science according to
According to, aid decision.
Invention system title:Wind energy resources grade zoning (i.e. addressing) new technology
It invention system English name and writes a Chinese character in simplified form:New Wind Energy Classification Scheme
Referred to as:NWECS
The soluble problems of NWECS, the advantageous effect of the present invention:
(1) present invention in addition to the wind energy resources feature of tradition concern, while also examining during realizing wind energy grade zoning
Considered it is a series of with the closely related element of ocean engineering, Zoning closer to wind collecting, offshore construction, prevent and reduce natural disasters
Actual demand.
(2) traditional wind energy grade regional project only solely considers the size of wind energy concentration, or considers that wind speed is big
Three wind energy elements of frequency that small, wind energy concentration size, effective wind speed occur.Present invention additionally contemplates that the stabilization of wind energy
Property, Maximum wind speed, energy level frequency, the depth of water, offshore distance, can more fully reflect feature, the use value of wind energy.
(3) Territorial Difference of the invention that wind energy grade can be embodied well, and traditional wind energy grade regional project
Then it cannot achieve.In traditional scheme, entire southern hemisphere and northern hemisphere westerlies belongs to fresh gale energy substantially, this cannot be well
Wind-power electricity generation Site Selection in westerlies provides reference.
(4) present invention can be not only used for macroscopical addressing of a wide range of marine site wind energy development, can be also used near islands and reefs
The microcosmic structure of marine site wind energy development.
(5) present invention expands tradeoff to the significance level (weights of i.e. different elements) of different elements, and this is in tradition
Wind energy grade regional project do not account for.
(6) present invention can suitably adjust the weight of different elements according to actual demand.Such as:The wind energy of A islands and reefs
The depth of water and offshore distance are especially concerned about in exploitation, then it, can suitably upper water transfer during the zonings such as the wind energy of A islands and reefs surrounding waters
Deep and offshore is apart from shared weight;B islands and reefs are high to the stability requirement of wind energy, then in areas such as the wind energies of B islands and reefs surrounding waters
During drawing, the weight shared by stability (coefficient of variation, monthly variation index, index of seasonal variation) can be suitably raised.
(7) currently, seawave power generation has obtained international extensive attention, but never wave energy grade criteria for division,
The present invention can be equally transplanted in wave energy grade zoning.
Description of the drawings:
Fig. 1 is the work flow diagram of offshore wind energy resource grade zoning new technology.
Specific implementation mode:
The present invention is the new technology of offshore wind energy resource grade zoning, and step includes:
The wind energy concentration number of long-term sequence is calculated using the computational methods of Wind Data, wind energy concentration in the first step
According to;
Wind energy concentration average for many years is calculated using the wind energy concentration of long-term sequence, wind field data in second step
(WPD), effective wind speed frequency (EWSO), 200W/m2The above wind energy concentration frequency (RLO), the depth of water (WD), offshore distance (DC),
Maximum wind speed (EWS), the coefficient of variation (Cv), monthly variation index (Mv) etc.;
Third walks, and using range transformation, average for many years WPD, EWSO, RLO, WD, DC, EWS, Cv, Mv are carried out standard
Change;
4th step invites the well-known expert in wind energy development field to carry out WPD, EWSO, RLO, WD, DC, EWS, Cv, Mv
Assessment, assesses weight of each element in wind energy development;
5th step, using Delphi methods, it is combining standardized after WPD, EWSO, RLO, WD, DC, EWS, Cv, Mv, and
The desired value of each marine site wind energy resources is calculated in the weight coefficient of each element, to realize the grade zoning to wind energy,
And establish search index;
6th step, wind energy inquiry and image file re-generate:According to querying condition input by user phase is returned to user
The wind energy data answered simultaneously re-generate image file.
The above embodiments are merely illustrative of the technical solutions of the present invention rather than is limited, the ordinary skill of this field
Personnel can be modified or replaced equivalently technical scheme of the present invention, without departing from the spirit and scope of the present invention, this
The protection domain of invention should be subject to described in claim.
Claims (13)
1. wind energy resources grade zoning (i.e. addressing) new technology, step include:
1) extra large table wind field data are compiled, and are stored according to specified format;
2) calculating of wind energy concentration data, is stored according to specified format;
3) each element (abbreviation wind energy element) of wind energy assessment, offshore construction, concern of preventing and reducing natural disasters is calculated, and according to specified format
Export initial wind energy element image file;
4) the wind energy element of wind energy development concern, environmental element are standardized, and establish search index;
5) element for inviting the well-known expert in wind energy field to pay close attention to wind energy development is assessed, and obtains each element in wind energy development
In weight;
6) Delphi methods (expert consulting flexible strategy method), fining ground is utilized to calculate the desired value of each marine site wind energy resources;
7) desired value of wind energy resources is divided into 7 grades, realizes the grade zoning of wind energy.
2. the method as described in claim 1, it is characterised in that:New wind energy resources grade criteria for division has considered resource
Feature and environmental characteristic.Traditional grade zoning only considered wind power features, and during actual wind energy development, it is also necessary to
Consider a series of and closely related element of ocean engineering.The new wind energy grade regional project of this patent design considers:
The size (WPD) of wind energy concentration, the frequency (EWSO) of effective wind speed appearance, wind energy concentration grade frequency (RLO), resource reserve
(ES), the depth of water (WD), offshore distance (DC), Maximum wind speed (EWS), stability (coefficient of variation Cv, monthly variation index M v, season
Variability index Sv).
3. the method as described in claim 1, it is characterised in that:The new wind energy grade criteria for division that this patent is formulated can be more preferable
Ground shows the Territorial Difference of wind energy grade, is significantly improved than traditional scheme.It is traditional by taking southern hemisphere and northern hemisphere westerlies as an example
Grade Zoning shows that the region belongs to fresh gale energy, for the wind-power electricity generation addressing in westerlies substantially without reference to valence
Value.
4. the method as described in claim 1, it is characterised in that:Quantitatively calculate the wind energy resources of unit area gross reserves,
Effective reserves, technological development amount.Circular is as follows:
EPD=EPE*Ce (3)
In formula (1), EPTIt is the gross reserves of wind energy,It is annual wind energy concentration, H is annual hourage, H=365d × for 24 hours=
8760h.In formula (2), EPEIt is effective reserves of wind energy, HEIt is the hourage that effective wind speed occurs in whole year.In formula (3), EPDIt is
Technological development amount, CeIt is 0.785, refers to the practical swept area of pneumatic equipment bladess, the i.e. swept area of rotor for a diameter of 1m
It is 0.52× π=0.785m2。
5. the method as described in claim 1, it is characterised in that:The stability in each region is calculated, and stability considers entirely
Face, including coefficient of variation Cv, monthly variation index Mv, index of seasonal variation Sv.Circular is as follows:
In formula (4)-(6), CvFor the coefficient of variation,For mean value, S is standard deviation;PM1For the wind energy concentration in most abundant month, PM12For
The wind energy concentration in poorest month, PyearFor wind energy concentration average for many years;PS1For the wind energy concentration in most abundant season, PS4For most
The wind energy concentration in poor season, PyearFor the wind energy concentration that is averaged for many years.
6. the method as described in claim 1, it is characterised in that:Using range transformation, the element of wind energy development concern is carried out
Standardization, method are as follows:
In decision matrix X, for positive index, take:
In decision matrix X, for reverse index, take:
xijIt is original value, yijIt is the value after standardization.After range transformation, index value between 0~1, positive index and
Reverse index is all converted into positive index, and optimal value 1, most bad value is 0.
7. the method as described in claim 1, it is characterised in that:Questionnaire is sent out to internationally recognizable wind energy expert, to wind
The importance of energy element is given a mark to determine power, and importance score is higher, and flexible strategy are bigger.The weight that k expert provides is lined up
Matrix is shown in formula (9).Weighted average then is taken to weight, sees formula (10).Weight sets is finally obtained, sees formula (11).
A=(a1,a2,…,an) (11)。
8. the method as described in claim 1, it is characterised in that:Using expert consulting flexible strategy method (Delphi methods), in conjunction with weight
WPD, EWSO, RLO, ES, WD, DC, EWS, Cv, Mv, Sv after collection and standardization, are calculated the wind energy resources in each marine site
Desired value, computational methods are as follows:
In formula (12), y is the desired value of wind energy, and a is weight coefficient, and x is each element in wind energy assessment.
9. the method as described in claim 1, it is characterised in that:According to desired value by Global Wind-energy zoning be 7 grades, realize
The grade zoning of wind energy, is shown in Table 1.
1. wind energy resources grade zoning new standard of table
10. the present invention expands tradeoff to the significance level (weights of i.e. different elements) of different elements, and this is in traditional wind
Energy grade regional project does not account for.And the present invention can suitably adjust the weight of different elements according to actual demand
It is whole, more science, quantitatively show wind energy grade Zoning.
11. this technology can be applied to the microcosmic grade zoning (i.e. the microcosmic structure of wind energy) in small range marine site, it is readily applicable to
The macro level zoning (i.e. macroscopical addressing of wind energy) in a wide range of marine site or even the whole world.
12. being adjusted to the weight of different elements according to specific requirements, add or delete relevant factor, the present invention disclosure satisfy that
The actual demand of different engineerings.
13. the composite can be widely applied to the addressing of a variety of ocean new energy such as wind energy, energy by ocean current.
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Cited By (3)
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CN111652508A (en) * | 2020-06-03 | 2020-09-11 | 哈尔滨工业大学 | Comprehensive quantitative evaluation method for quality of wind energy resources |
CN112417638A (en) * | 2020-09-04 | 2021-02-26 | 浙江省气象科学研究所 | Strong wind fine analysis method for overhead transmission line in offshore area |
CN113610281A (en) * | 2021-07-22 | 2021-11-05 | 上海氢枫能源技术有限公司 | Hydrogenation station site selection method based on neural network |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111652508A (en) * | 2020-06-03 | 2020-09-11 | 哈尔滨工业大学 | Comprehensive quantitative evaluation method for quality of wind energy resources |
CN112417638A (en) * | 2020-09-04 | 2021-02-26 | 浙江省气象科学研究所 | Strong wind fine analysis method for overhead transmission line in offshore area |
CN113610281A (en) * | 2021-07-22 | 2021-11-05 | 上海氢枫能源技术有限公司 | Hydrogenation station site selection method based on neural network |
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Application publication date: 20181016 |