CN107994616A - A kind of photovoltaic distributed power generation method - Google Patents
A kind of photovoltaic distributed power generation method Download PDFInfo
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- CN107994616A CN107994616A CN201810068472.9A CN201810068472A CN107994616A CN 107994616 A CN107994616 A CN 107994616A CN 201810068472 A CN201810068472 A CN 201810068472A CN 107994616 A CN107994616 A CN 107994616A
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- 238000010248 power generation Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 19
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 11
- 230000035772 mutation Effects 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims abstract description 5
- 230000005855 radiation Effects 0.000 claims description 5
- 238000010606 normalization Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 229910017435 S2 In Inorganic materials 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H02J3/385—
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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
- 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
- Y02B10/10—Photovoltaic [PV]
-
- 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
Abstract
The invention discloses a kind of photovoltaic distributed power generation method of technical field of photovoltaic power generation, this method comprises the following steps that：S1：Crystalline silicon component is selected as photovoltaic generating module, and is installed on stent；S2：By string formation be divided into two-way be respectively connected to inverter two-way input；S3：Determine each distributed generation resource of photovoltaic generation, and establish distributed generation resource programme system；S4：Corresponding achievement data in each distributed generation resource programme is collected, and is classified to each data, nondimensionalization processing is carried out to data；S5：The scheme for choosing mutation index maximum is Optimal Distribution formula arrangement, the present invention is by carrying out overall merit to the arrangement of distributed power generation and choosing optimal technical solution, greatly improve the efficiency of distributed power generation, improve the comprehensive utilization of luminous energy, the present invention is environment friendly and pollution-free at the same time, meets the public use of family and society.
Description
Technical field
The invention discloses a kind of photovoltaic distributed power generation method, is specially technical field of photovoltaic power generation.
Background technology
Photovoltaic cell is a kind of with light, the semiconductor devices of electric conversion properties, it directly can change solar radiation
It is the most basic unit of photovoltaic generation, the distinctive electrical characteristics of photovoltaic cell are by with mixing certain in crystalline silicon into direct current
A little elements, so as to cause permanent imbalance in the molecule charge of material, form the semi-conducting material with particular electrical,
Free charge can be produced in the semiconductor with particular electrical under sunlight, these free charge displacements and product
Tired, so as to just be produced electricl energy when its both ends closes, this phenomenon is referred to as photovoltaic effect.Photovoltaic generation refers to utilize
Solar radiation is translates directly into the generation mode of electric energy, and photovoltaic generation is the mainstream of current solar power generation.Photovoltaic is distributed
Power generation is a kind of new, tool power generation with broad prospects for development and comprehensive utilization of energy mode, it is advocated generates electricity, nearby nearby
Principle that is grid-connected, changing, use nearby nearby, can not only effectively improve the generated energy of same size photovoltaic plant, at the same time also
Loss problem of the electric power in boosting and long-distance transport is can effectively solve the problem that, but how distributed power generation is to maximize the sun
How energy generated energy, ensure that power grid security it is also proposed strict requirements, the feature and stabilization of this process photovoltaic DC-to-AC converter
Property also seems abnormal crucial.To come into operation for this reason, we have proposed a kind of photovoltaic distributed power generation method, with solution
State problem.
The content of the invention
It is an object of the invention to provide a kind of photovoltaic distributed power generation method, to solve in above-mentioned background technology
The problem of proposition.
To achieve the above object, the present invention provides following technical solution：A kind of photovoltaic distributed power generation method, should
Method comprises the following steps that：
S1：Crystalline silicon component is selected as photovoltaic generating module, using 10 pieces of crystalline silicon components as a string formation, and by its
It is rack-mount；
S2：According to local dimension and solar radiation data, the setting angle of mounting bracket is determined, and string formation is divided into
Two-way is respectively connected to the two-way input of inverter；
S3：Photovoltaic module determines each distributed generation resource of photovoltaic generation after installation is complete, and establishes distributed generation resource rule
Draw scheme system；
S4：Corresponding achievement data in each distributed generation resource programme is collected, and is classified to each data, it is right
Data carry out nondimensionalization processing；
S5：Arithmetic average is asked for, the achievement data mutation in each programme of photovoltaic distributed generation resource is calculated
Index, finally obtains the mutation index of comprehensive evaluation index, and the scheme for choosing mutation index maximum is Optimal Distribution formula arrangement side
Case.
Preferably, in the step S1, the mounting means of stent is fixedly mounted, and uses and pass through anodized
Welded form, while the model of stent is calculated according to local wind, snow load, ensures the safe handling longevity of stent
Life.
Preferably, in the step S1, the sheet surface of crystalline silicon component is coated with one layer of anti-reflection coating, makes it to sun
The reflection of light is based on scattering, no glare.
Preferably, in the step S2, there are 3 signals in the importation of inverter, specifically include 12V DC input VIN,
The enabled voltage ENB and Panel current controling signal DIM of work.
Preferably, in the step S3, distributed generation resource programme system is the technology according to distributed photovoltaic power
Property, economy, benefit and environmental protection index structure MODEL OF BUTTERFLY CATASTROPHE.
Preferably, in the step S4, since each achievement data may have different linear modules, each achievement data
Between lack comparativity, it is necessary to which data are normalized, and achievement data is divided into positive index and reverse index, returned
The formula of one change processing is as follows：
For positive index：
In formula, xijFor j-th of achievement data in i-th of sample to be evaluated, xmin·jAnd xmax·jRespectively need to be put down
The minimum value and maximum of j-th of index, y in key sample dataijFor xijAchievement data value after normalization；
For reverse index：
Compared with prior art, the beneficial effects of the invention are as follows：The present invention by the arrangement to distributed power generation into
Row overall merit simultaneously chooses optimal technical solution, greatly improves the efficiency of distributed power generation, improves the comprehensive profit of luminous energy
With, while the present invention is environment friendly and pollution-free, meets the public use of family and society.
Embodiment
The technical solution in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this area is common
Technical staff's all other embodiments obtained without making creative work, belong to the model that the present invention protects
Enclose.
The present invention provides a kind of technical solution：A kind of photovoltaic distributed power generation method, the specific steps of this method
It is as follows：
S1：Crystalline silicon component is selected as photovoltaic generating module, using 10 pieces of crystalline silicon components as a string formation, and by its
Rack-mount, the mounting means of stent is fixedly mounted, and using the Welded Jing Guo anodized and
Into, while the model of stent is calculated according to local wind, snow load, ensures the safe operating life of stent, crystalline silicon component
Sheet surface is coated with one layer of anti-reflection coating, makes its reflection to sunlight based on scattering, no glare；
S2：According to local dimension and solar radiation data, the setting angle of mounting bracket is determined, and string formation is divided into
Two-way is respectively connected to the two-way input of inverter, and there are 3 signals in the importation of inverter, specifically includes 12V DC input
VIN, the enabled voltage ENB and Panel current controling signal DIM of work；
S3：Photovoltaic module determines each distributed generation resource of photovoltaic generation after installation is complete, and establishes distributed generation resource rule
Draw scheme system, distributed generation resource programme system be according to the technical of distributed photovoltaic power, economy, benefit with
And the MODEL OF BUTTERFLY CATASTROPHE of the index structure of environmental protection；
S4：Corresponding achievement data in each distributed generation resource programme is collected, and is classified to each data, it is right
Data carry out nondimensionalization processing, since each achievement data may have different linear modules, are lacked between each achievement data
Achievement data is divided into positive index and reverse index, it is necessary to data are normalized by few comparativity, at normalization
The formula of reason is as follows：
For positive index：
In formula, xijFor j-th of achievement data in i-th of sample to be evaluated, xmin·jAnd xmax·jRespectively need to be put down
The minimum value and maximum of j-th of index, y in key sample dataijFor xijAchievement data value after normalization；
For reverse index：
S5：Arithmetic average is asked for, the achievement data mutation in each programme of photovoltaic distributed generation resource is calculated
Index, finally obtains the mutation index of comprehensive evaluation index, and the scheme for choosing mutation index maximum is Optimal Distribution formula arrangement side
Case.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (6)
- A kind of 1. photovoltaic distributed power generation method, it is characterised in that：This method comprises the following steps that：S1：Crystalline silicon component is selected using 10 pieces of crystalline silicon components as a string formation, and to be installed as photovoltaic generating module On stent；S2：According to local dimension and solar radiation data, the setting angle of mounting bracket is determined, and string formation is divided into two-way It is respectively connected to the two-way input of inverter；S3：Photovoltaic module determines each distributed generation resource of photovoltaic generation, and establish distributed generation resource planning side after installation is complete Case system；S4：Corresponding achievement data in each distributed generation resource programme is collected, and is classified to each data, to data Carry out nondimensionalization processing；S5：Arithmetic average is asked for, the achievement data mutation index in each programme of photovoltaic distributed generation resource is calculated, The mutation index of comprehensive evaluation index is finally obtained, the scheme for choosing mutation index maximum is Optimal Distribution formula arrangement.
- A kind of 2. photovoltaic distributed power generation method according to claim 1, it is characterised in that：The step S1 In, the mounting means of stent is fixedly mounted, and is formed using the Welded Jing Guo anodized, while stent Model calculated according to local wind, snow load, ensure the safe operating life of stent.
- A kind of 3. photovoltaic distributed power generation method according to claim 1, it is characterised in that：The step S1 In, the sheet surface of crystalline silicon component is coated with one layer of anti-reflection coating, makes its reflection to sunlight based on scattering, and nothing is dazzled Light.
- A kind of 4. photovoltaic distributed power generation method according to claim 1, it is characterised in that：The step S2 In, there are 3 signals in the importation of inverter, specifically includes 12V DC input VIN, the enabled voltage ENB and Panel electricity of work Flow control signals DIM.
- A kind of 5. photovoltaic distributed power generation method according to claim 1, it is characterised in that：The step S3 In, distributed generation resource programme system is to be protected according to the technical of distributed photovoltaic power, economy, benefit and environment The MODEL OF BUTTERFLY CATASTROPHE of the index structure of shield.
- A kind of 6. photovoltaic distributed power generation method according to claim 1, it is characterised in that：The step S4 In, since each achievement data there may be different linear modules, lack comparativity, it is necessary to data between each achievement data It is normalized, and achievement data is divided into positive index and reverse index, the formula of normalized is as follows：For positive index：<mrow> <msub> <mi>y</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <mfrac> <mrow> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>min</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> </mrow> <mrow> <msub> <mi>x</mi> <mrow> <mi>max</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>min</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> </mrow> </mfrac> </mrow>In formula, xijFor j-th of achievement data in i-th of sample to be evaluated, xmin·jAnd xmax·jRespectively needed flat key sample The minimum value and maximum of j-th of index, y in dataijFor xijAchievement data value after normalization；For reverse index：<mrow> <msub> <mi>y</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> <mo>=</mo> <mfrac> <mrow> <msub> <mi>x</mi> <mrow> <mi>max</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>i</mi> <mi>j</mi> </mrow> </msub> </mrow> <mrow> <msub> <mi>x</mi> <mrow> <mi>max</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> <mo>-</mo> <msub> <mi>x</mi> <mrow> <mi>min</mi> <mo>&CenterDot;</mo> <mi>j</mi> </mrow> </msub> </mrow> </mfrac> <mo>.</mo> </mrow>
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109636228A (en) * | 2018-12-21 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of new energy station is rationed the power supply period active distribution method |
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| CN102394496A (en) * | 2011-07-21 | 2012-03-28 | 浙江大学 | Electric energy quality comprehensive assessment method of distributed generating system and micro power grid |
| CN103069354A (en) * | 2010-08-12 | 2013-04-24 | Sma太阳能技术股份公司 | Method for operation of a photovoltaic generator at an operating point of maximum power |
| CN105226987A (en) * | 2015-10-21 | 2016-01-06 | 许昌学院 | A kind of inverter control method |
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2018
- 2018-01-24 CN CN201810068472.9A patent/CN107994616A/en active Pending
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| CN103069354A (en) * | 2010-08-12 | 2013-04-24 | Sma太阳能技术股份公司 | Method for operation of a photovoltaic generator at an operating point of maximum power |
| CN102394496A (en) * | 2011-07-21 | 2012-03-28 | 浙江大学 | Electric energy quality comprehensive assessment method of distributed generating system and micro power grid |
| CN105226987A (en) * | 2015-10-21 | 2016-01-06 | 许昌学院 | A kind of inverter control method |
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| CN109636228A (en) * | 2018-12-21 | 2019-04-16 | 云南电网有限责任公司电力科学研究院 | A kind of new energy station is rationed the power supply period active distribution method |
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Application publication date: 20180504 |
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