CN101599725B - Arrangement method of ground photovoltaic electric field matrix system - Google Patents
Arrangement method of ground photovoltaic electric field matrix system Download PDFInfo
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- CN101599725B CN101599725B CN2009101821207A CN200910182120A CN101599725B CN 101599725 B CN101599725 B CN 101599725B CN 2009101821207 A CN2009101821207 A CN 2009101821207A CN 200910182120 A CN200910182120 A CN 200910182120A CN 101599725 B CN101599725 B CN 101599725B
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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
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- 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
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Abstract
The invention relates to an arrangement method of a ground photovoltaic electric field matrix system. The method comprises the following steps that four photovoltaic square matrixes and a distribution room are formed into a ground photovoltaic electric field array matrix system which is grid-shaped as seen from a plane; the distribution room is positioned at the center of the entire ground photovoltaic electric field matrix system; the four photovoltaic square matrixes are relatively and electrically independent and are respectively connected with four sets of inverters; and the four sets of inverters are emerged into a set of step-up system. The structure of the ground photovoltaic electric field matrix system makes use of channels among the four photovoltaic square matrixes to offset part shadow shielding of the distribution room, thereby ensuring compact and reasonable arrangement of distribution room arrays, increasing land utilization rate, saving cable and furthest reducing loss; meanwhile, when one of the four photovoltaic square matrixes breaks down, normal operation of other photovoltaic square matrixes cannot be influenced.
Description
Technical field
The present invention relates to the aligning method of a kind of ground light photovoltaic electric field matrix system that photovoltaic arrays and electric equipment arrange, this aligning method all can be used in independent photovoltaic power station, ground and large-scale grid-connected photovoltaic power station.
Background technology
At present, a photovoltaic arrays and a switchgear house constitute a ground light photovoltaic electric field matrix system.Switchgear house is positioned at outside the photovoltaic arrays, and built-in electric equipment is connected with photovoltaic arrays with cable.Switchgear house can block the photovoltaic array generation owing to sunlight forms shade, cause photovoltaic electric field poor efficiency for avoiding on photovoltaic arrays, producing shade, distance between switchgear house and photovoltaic arrays will meet certain requirements, cause this ground light photovoltaic electric field matrix system need be with a large amount of cables, cost is higher, and loss is bigger.
Summary of the invention
Goal of the invention: in order to overcome cable large usage quantity in the existing ground light photovoltaic electric field matrix system, deficiency that loss is bigger, the invention provides a kind of aligning method of ground light photovoltaic electric field matrix system, block shade the sunshine that this aligning method can effectively avoid switchgear house to produce, and saving cable, reduce cost, reduce loss.
The present invention adopts following technical scheme for achieving the above object:
A kind of aligning method of ground light photovoltaic electric field matrix system comprises the steps,
Step a, divide both sides, north and south, four quadrants to arrange four photovoltaic arrays, to constitute the ground light photovoltaic electric field matrix system, its plane is sphere of movements for the elephants shape;
Step b, switchgear house is placed in the photovoltaic arrays with a quadrant of many direction homonymy of solar radiation time position near the ground photovoltaic electric field matrix system origin of coordinates;
Step c, each photovoltaic arrays electric energy output end is connected with an inverter respectively, the corresponding inverter that connects of each photovoltaic arrays electric energy output end is connected with an AC distribution device jointly then, at last this AC distribution device output is connected with increasing apparatus.
The aligning method of ground light photovoltaic electric field matrix system of the present invention is in step a, and four photovoltaic arrays divide the both sides, north and south, when four quadrants are arranged, two passages in East and West direction and north-south are set respectively between four photovoltaic arrays.
The present invention adopts technique scheme to have following beneficial effect:
The aligning method of ground light photovoltaic electric field matrix system of the present invention, switchgear house places in the photovoltaic arrays with a quadrant of many direction homonymy of solar radiation time the position near the ground photovoltaic electric field matrix system origin of coordinates, closing on switchgear house has the two passes in East and West direction and north-south respectively, when for example being positioned at the Northern Hemisphere, can partly offset the east that switchgear house produces, shade (switchgear house places third quadrant) or west are blocked in the north side, shade (switchgear house places four-quadrant) is blocked in the north side, be that it is provided with the spacing of utilizing passage payment part shade to block in square formation system, and the line space that has utilized photovoltaic module is as the East and West direction passage, make and the photovoltaic array compact and reasonable arrangement improve land utilization ratio; Because switchgear house occupy the center of whole ground photovoltaic electric field matrix system, and used cable is saved most, loss is also minimum in addition; If four one of them square formations of square formation have produced fault simultaneously, can not have influence on the normal operation of other photovoltaic arrays.
Description of drawings
Fig. 1 (a), Fig. 1 (b) are respectively photovoltaic array layout plans of the present invention.
Fig. 2 is an electrical system line chart of the present invention.
Embodiment
Explain technical scheme of the present invention below with reference to accompanying drawing.
Shown in Fig. 1 (a), Fig. 1 (b), the aligning method of ground light photovoltaic electric field matrix system of the present invention comprises the steps,
Step a, divide both sides, north and south, four quadrants to arrange four photovoltaic arrays, to constitute the ground light photovoltaic electric field matrix system, its plane is sphere of movements for the elephants shape;
Step b, switchgear house is placed in the photovoltaic arrays with a quadrant of many direction homonymy of solar radiation time position near the ground photovoltaic electric field matrix system origin of coordinates;
Step c, each photovoltaic arrays electric energy output end is connected with an inverter respectively, the corresponding inverter that connects of each photovoltaic arrays electric energy output end is connected with an AC distribution device jointly then, at last this AC distribution device output is connected with increasing apparatus.
Because the point of vertical of the sun changes between the tropic of north and south, when being in the Northern Hemisphere, zone between the tropic of north and south is positioned at the south, naturally the solar radiation of accepting in the south is many, switchgear house 5. place third quadrant 3. or four-quadrant 4. in the photovoltaic arrays near the position of the ground photovoltaic electric field matrix system origin of coordinates, and switchgear house has the two passes in East and West direction and north-south near 5. respectively, the spacing of so just utilizing passage payment part sunlight shade to block has been reduced or remitted because shade causes photovoltaic electric field poor efficiency; Then opposite when being positioned at the Southern Hemisphere, the zone between the tropic of north and south is positioned at the north, and the solar radiation that natural north is accepted is many, then switchgear house 5. place first quartile 1. or second quadrant 2. in the photovoltaic arrays near the position of the ground photovoltaic electric field matrix system origin of coordinates.
In addition by shown in Figure 2, photovoltaic arrays of its every line display 1., 2., 3. or the subsystem formed of battery component 4., this battery component comprises photovoltaic power generation array A, DC distribution monitoring device B, inverter C, AC distribution device D and increasing apparatus E, described photovoltaic power generation array A electric energy output end is connected with an inverter C by DC distribution monitoring system B, then be connected with an AC distribution device D jointly with the inverter C of the corresponding connection of each photovoltaic power generation array A electric energy output end respectively, this AC distribution device D output then is connected with increasing apparatus E.
Claims (2)
1. the aligning method of a ground light photovoltaic electric field matrix system is characterized in that: comprises the steps,
Step a, divide both sides, north and south, four quadrants to arrange four photovoltaic arrays, to constitute the ground light photovoltaic electric field matrix system, its plane is sphere of movements for the elephants shape;
Step b, switchgear house is placed in the photovoltaic arrays with a quadrant of many direction homonymy of solar radiation time position near the ground photovoltaic electric field matrix system origin of coordinates;
Step c, each photovoltaic arrays electric energy output end is connected with an inverter respectively, the corresponding inverter that connects of each photovoltaic arrays electric energy output end is connected with an AC distribution device jointly then, and this AC distribution device output then is connected with increasing apparatus.
2. the aligning method of ground light photovoltaic electric field matrix system according to claim 1 is characterized in that: in step a, four photovoltaic arrays divide the both sides, north and south, when four quadrants are arranged, two passages in East and West direction and north-south are set respectively between four photovoltaic arrays.
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| CN101599725B true CN101599725B (en) | 2011-01-12 |
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| CN103997129B (en) * | 2014-05-13 | 2016-05-25 | 南京中核能源工程有限公司 | A kind of large-scale energy-accumulating power station and be applicable to the aligning method of large-scale energy-accumulating power station battle array system |
| CN114977313A (en) * | 2022-07-11 | 2022-08-30 | 江苏亿万物联科技有限公司 | Method for mutual compensation between photovoltaic electric energy and railway power supply |
| CN114977314A (en) * | 2022-07-11 | 2022-08-30 | 江苏亿万物联科技有限公司 | Method for mutual compensation between photovoltaic electric energy and port power supply |
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| CN201266894Y (en) * | 2008-08-06 | 2009-07-01 | 克拉玛依地威诺节能有限责任公司 | Mobile solar power station |
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| CN201266894Y (en) * | 2008-08-06 | 2009-07-01 | 克拉玛依地威诺节能有限责任公司 | Mobile solar power station |
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