CN207082843U - A kind of photovoltaic station centralized inverter distribution system - Google Patents
A kind of photovoltaic station centralized inverter distribution system Download PDFInfo
- Publication number
- CN207082843U CN207082843U CN201720862081.5U CN201720862081U CN207082843U CN 207082843 U CN207082843 U CN 207082843U CN 201720862081 U CN201720862081 U CN 201720862081U CN 207082843 U CN207082843 U CN 207082843U
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- Prior art keywords
- power
- distribution cabinet
- power distribution
- photovoltaic
- centralized inverter
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
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Abstract
The utility model discloses a kind of photovoltaic station centralized inverter distribution system, including the photoelectric conversion device being sequentially connected according to the sense of current, power distribution cabinet I, centralized inverter, power distribution cabinet II and power network, power network includes the high-voltage fence being mutually in parallel, domestic power grid and industrial electrical network, high-voltage fence, prevent circuit from flowing back by power distribution cabinet II independently of each other between domestic power grid and industrial electrical network, the photovoltaic panel that photoelectric conversion device is connected in parallel by several forms, each photovoltaic panel is corresponding with a header box, photovoltaic panel, header box, connected between power distribution cabinet I and centralized inverter using direct current cables, centralized inverter, connected between power distribution cabinet II and power network using ac cable.The utility model is simple in construction, is generated electricity suitable for high-power photovoltaic station, and the substantial amounts of header box of use of the system can realize any adjustment for holding proportioning by power distribution cabinet, reduces circuit energy consumption, effectively using photovoltaic generation, and send net to bring benefits unnecessary electric energy.
Description
Technical field
A kind of photovoltaic station centralized inverter distribution system is the utility model is related to, belongs to photovoltaic energy apparatus field.
Background technology
Inverter is also known as feed regulator isolator, is mainly used in photovoltaic generating system, and direct current energy is transformed to exchange
Electric energy, photovoltaic station centralized inverter distribution system and group string inverter, wherein light are divided into according to the difference of transformer substation system
It is high with centralized inverter power to lie prostrate station, volume is big, is typically mounted on large-sized photovoltaic station, is easy to centralized Control, centralized inverse
Way can be inputted by increasing header box or increase the box number that confluxes by becoming device, realize any adjustment for holding proportioning, therefore centralization
Transformer applies degree meeting more and more higher in today of economy rapid development, it is therefore necessary to which the photovoltaic station used at present is concentrated
Formula inverter distribution system optimizes, and reduces circuit energy consumption.
Utility model content
To solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of photovoltaic station centralized inverter
Distribution system.
In order to realize above-mentioned target, the utility model adopts the following technical scheme that：
A kind of photovoltaic station centralized inverter distribution system, including the opto-electronic conversion being sequentially connected according to the sense of current
Device, power distribution cabinet I, centralized inverter, power distribution cabinet II and power network, foregoing power network include the high-voltage fence, civilian being mutually in parallel
Power network and industrial electrical network, electricity is prevented by power distribution cabinet II independently of each other between foregoing high-voltage fence, domestic power grid and industrial electrical network
Road is flowed back, and the photovoltaic panel that aforementioned Photon-Electron conversion equipment is connected in parallel by several forms, and each photovoltaic panel is corresponding with a remittance
Case is flowed, header box is exported by way centralized power distribution by power distribution cabinet I, any adjustment for holding proportioning is realized, foregoing photovoltaic panel, confluxes
Connected between case, power distribution cabinet I and centralized inverter using direct current cables, foregoing centralized inverter, power distribution cabinet II and power network
Between using ac cable connect.
Preferably, foregoing high-voltage fence branch road is provided with isolating transformer and high-tension transformer, foregoing domestic power grid branch road
220V transformers are provided with, aforementioned industrial power network is provided with 380V transformers.
Preferably, the direct current cables between foregoing photovoltaic panel and header box is provided with direct current electric detection means.
Preferably, foregoing header box uses direct current conflux case.
Preferably, foregoing power distribution cabinet I uses DC power distribution cabinet, and foregoing power distribution cabinet II uses AC power distribution cabinet/AC distribution panel.
Preferably, foregoing high-voltage fence, domestic power grid and the equal reliable ground of industrial electrical network, the earth leakage protective work(of device is improved
Energy.
It is of the present utility model to be beneficial in that：The utility model is simple in construction, is generated electricity suitable for high-power photovoltaic station, this
The substantial amounts of header box of use of system can realize any adjustment for holding proportioning by power distribution cabinet, circuit energy consumption be reduced, by setting
Fixed three kinds of grid modes can optimize power supplying efficiency, can effectively utilize photovoltaic generation, and send net to produce effect unnecessary electric energy
Benefit.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the present utility model；
The implication of reference in figure：1st, photovoltaic panel, 2, header box, 3, power distribution cabinet I, 4, centralized inverter, 5, distribution
Cabinet II, 6, isolating transformer, 7, high-tension transformer, 8, high-voltage fence, 9,220V transformers, 10, domestic power grid, 11,380V becomes
Depressor, 12, industrial electrical network, 13, direct current electric detection means.
Embodiment
Make specific introduce to the utility model below in conjunction with the drawings and specific embodiments.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than instruction
Or imply that signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that instruction or
Imply relative importance.
Referring to Fig. 1, a kind of photovoltaic station centralized inverter distribution system of the present utility model, including according to electric current side
To photoelectric conversion device, power distribution cabinet I3, centralized inverter 4, power distribution cabinet II5 and the power network being sequentially connected, power network includes mutual
High-voltage fence 8, domestic power grid 10 and industrial electrical network 12 in parallel, phase between high-voltage fence 8, domestic power grid 10 and industrial electrical network 12
Mutually prevent circuit from flowing back individually by power distribution cabinet II5, the branch road of high-voltage fence 8 is provided with isolating transformer 6 and high-tension transformer 7,
The branch road of domestic power grid 10 is provided with 220V transformers 9, and industrial electrical network 12 is provided with 380V transformers 11, and photoelectric conversion device is by more
The individual photovoltaic panel 1 being connected in parallel forms, and each photovoltaic panel 1 is corresponding with a header box 2, by power distribution cabinet I3 by header box 2
Way centralized power distribution is exported, realizes any adjustment for holding proportioning, photovoltaic panel 1, header box 2, power distribution cabinet I3 and centralized inverter 4
Between using direct current cables connect, between centralized inverter 4, power distribution cabinet II5 and power network using ac cable connect, photovoltaic panel
Direct current cables between 1 and header box 2 is provided with direct current electric detection means 13.
Specific in the present embodiment, header box 2 uses direct current conflux case, and power distribution cabinet I3 uses DC power distribution cabinet, foregoing to match somebody with somebody
Electric cabinet II5 uses AC power distribution cabinet/AC distribution panel, 12 equal reliable ground of high-voltage fence 8, domestic power grid 10 and industrial electrical network, improves the leakage of device
Electric protection function.
In summary, the utility model is simple in construction, is generated electricity suitable for high-power photovoltaic station, and the use of the system is substantial amounts of
Header box can realize any adjustment for holding proportioning by power distribution cabinet, reduce circuit energy consumption, by setting three kinds of grid mode energy
Enough optimize power supplying efficiency, can effectively utilize photovoltaic generation, and send net to bring benefits unnecessary electric energy.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.
General principle, principal character and advantage of the present utility model has been shown and described above.The technical staff of the industry
It should be appreciated that above-described embodiment does not limit the utility model in any form, it is all by the way of equivalent substitution or equivalent transformation
The technical scheme obtained, all falls within the scope of protection of the utility model.
Claims (6)
1. a kind of photovoltaic station centralized inverter distribution system, it is characterised in that including what is be sequentially connected according to the sense of current
Photoelectric conversion device, power distribution cabinet I, centralized inverter, power distribution cabinet II and power network, the power network include the high-tension electricity being mutually in parallel
Net, domestic power grid and industrial electrical network, pass through power distribution cabinet II between the high-voltage fence, domestic power grid and industrial electrical network independently of each other
Prevent circuit from flowing back, the photovoltaic panel that the photoelectric conversion device is connected in parallel by several is formed, and each photovoltaic panel is corresponding with
One header box, connected between the photovoltaic panel, header box, power distribution cabinet I and centralized inverter using direct current cables, the collection
Connected between Chinese style inverter, power distribution cabinet II and power network using ac cable.
A kind of 2. photovoltaic station centralized inverter distribution system according to claim 1, it is characterised in that the high pressure
Grid branch is provided with isolating transformer and high-tension transformer, and the domestic power grid branch road is provided with 220V transformers, the work
Industry power network is provided with 380V transformers.
A kind of 3. photovoltaic station centralized inverter distribution system according to claim 1, it is characterised in that the photovoltaic
Direct current cables between plate and header box is provided with direct current electric detection means.
4. a kind of photovoltaic station centralized inverter distribution system according to claim 1, it is characterised in that described to conflux
Case uses direct current conflux case.
A kind of 5. photovoltaic station centralized inverter distribution system according to claim 1, it is characterised in that the distribution
Cabinet I uses DC power distribution cabinet, and the power distribution cabinet II uses AC power distribution cabinet/AC distribution panel.
6. a kind of photovoltaic station centralized inverter distribution system according to any one of claim 1-5, its feature exist
In the high-voltage fence, domestic power grid and the equal reliable ground of industrial electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720862081.5U CN207082843U (en) | 2017-07-14 | 2017-07-14 | A kind of photovoltaic station centralized inverter distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720862081.5U CN207082843U (en) | 2017-07-14 | 2017-07-14 | A kind of photovoltaic station centralized inverter distribution system |
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| Publication Number | Publication Date |
|---|---|
| CN207082843U true CN207082843U (en) | 2018-03-09 |
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|---|---|---|---|
| CN201720862081.5U Expired - Fee Related CN207082843U (en) | 2017-07-14 | 2017-07-14 | A kind of photovoltaic station centralized inverter distribution system |
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| CN (1) | CN207082843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116595696A (en) * | 2023-05-31 | 2023-08-15 | 四川省建筑设计研究院有限公司 | Photovoltaic outer elevation electrical design method and system |
| CN116937703A (en) * | 2023-06-26 | 2023-10-24 | 广东省中芯源新能源有限公司 | Power output pipe control system and method of photovoltaic power supply |
-
2017
- 2017-07-14 CN CN201720862081.5U patent/CN207082843U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116595696A (en) * | 2023-05-31 | 2023-08-15 | 四川省建筑设计研究院有限公司 | Photovoltaic outer elevation electrical design method and system |
| CN116595696B (en) * | 2023-05-31 | 2024-04-09 | 四川省建筑设计研究院有限公司 | Photovoltaic outer elevation electrical design method and system |
| CN116937703A (en) * | 2023-06-26 | 2023-10-24 | 广东省中芯源新能源有限公司 | Power output pipe control system and method of photovoltaic power supply |
| CN116937703B (en) * | 2023-06-26 | 2024-02-02 | 广东省中芯源新能源有限公司 | Power output pipe control system and method of photovoltaic power supply |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20190714 |