CN204190403U - Photovoltaic power generation grid-connecting apparatus - Google Patents
Photovoltaic power generation grid-connecting apparatus Download PDFInfo
- Publication number
- CN204190403U CN204190403U CN201420743623.3U CN201420743623U CN204190403U CN 204190403 U CN204190403 U CN 204190403U CN 201420743623 U CN201420743623 U CN 201420743623U CN 204190403 U CN204190403 U CN 204190403U
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- CN
- China
- Prior art keywords
- photovoltaic
- grid
- inlet wire
- power generation
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
Abstract
The utility model provides a kind of photovoltaic power generation grid-connecting apparatus, belongs to field of power; Photovoltaic power generation grid-connecting apparatus comprises photovoltaic inlet wire binding post, lightning protection device in parallel, inlet wire air switch, undervoltage protection device, earth leakage protective device, generating gauge table and grid-connected binding post; Photovoltaic inlet wire binding post connects inlet wire air switch, and inlet wire air switch one end connects lightning protection device in parallel, and the other end connects generating gauge table; Generating gauge table connects undervoltage protection device, and undervoltage protection device is connected with earth leakage protective device, and the other end of earth leakage protective device connects grid-connected binding post.Photovoltaic power generation grid-connecting apparatus described in the utility model, structure is simple, maintenance is convenient, and inner complex unit is by the unified assembling of professional, multiple functional, stable.
Description
Technical field
The utility model relates to a kind of photovoltaic power generation grid-connecting apparatus, belongs to field of power.
Background technology
Along with distributed power source development is promoted, for photovoltaic generating system installation generate output 400kW and following time, and when adopting 220/380V voltage to access public electric wire net, electrical construction, line arrangement, equipment connection etc. need certain specialty and experience personnel to complete on request, client installs comparatively complicated, and company's level of the photovoltaic apparatus of specialty installation in the market is also uneven, this just causes current photovoltaic apparatus installation enterprises comparatively chaotic, and grid-connected risk is larger.
Utility model content
The utility model provides a kind of photovoltaic power generation grid-connecting apparatus, when making photovoltaic system 220/380V electric pressure grid-connected, facilitates engineering construction, and each accessory centralized management, reduces potential safety hazard.
Photovoltaic power generation grid-connecting apparatus described in the utility model comprises photovoltaic inlet wire binding post, lightning protection device in parallel, inlet wire air switch, undervoltage protection device, earth leakage protective device, generating gauge table and grid-connected binding post; Photovoltaic inlet wire binding post connects inlet wire air switch, and inlet wire air switch one end connects lightning protection device in parallel, and the other end connects generating gauge table; Generating gauge table connects undervoltage protection device, and undervoltage protection device is connected with earth leakage protective device, and the other end of earth leakage protective device connects grid-connected binding post.
Photovoltaic plant connects straight/AC inverter, and straight/AC inverter is connected on house lead in switch for client by photovoltaic grid-connected device.
When photovoltaic power station power generation, electric current arrives house lead in switch for client by straight/AC inverter, photovoltaic grid-connected device; When photovoltaic plant does not generate electricity, client uses from common line, enters the electricity of house lead in switch through concentrated gas meter box.
Photovoltaic power generation grid-connecting apparatus described in the utility model, its back panel wiring unit all connects complete by standard, only needs fixed set device and corresponding lead is pressed into binding post that can to realize photovoltaic system grid-connected.
The utility model beneficial effect:
A kind of photovoltaic power generation grid-connecting apparatus structure described in the utility model is simple, maintenance is convenient, and inner complex unit is by the unified assembling of professional, multiple functional, stable.
A kind of photovoltaic power generation grid-connecting apparatus described in the utility model is lower to site operation personnel requirement when using, and reaches safe ready, quick installation, the requirement of reliable ground.
Accompanying drawing explanation
Fig. 1 is photovoltaic power generation grid-connecting apparatus system diagram
Fig. 2 is the inside schematic diagram of 220/380V photovoltaic grid-connected device
Embodiment
Below in conjunction with accompanying drawing, more detailed elaboration is done to the utility model.
As shown in Figure 1, photovoltaic plant connects straight/AC inverter, and straight/AC inverter by 220/380V photovoltaic grid-connected device, is connected on house lead in switch for client again.When photovoltaic power station power generation, electric current arrives house lead in switch for client by straight/AC inverter, 220/380V photovoltaic grid-connected device; When photovoltaic plant does not generate electricity, client uses from common line, enters the electricity of house lead in switch through concentrated gas meter box.
Fig. 2 is described the inside principle of 220/380V photovoltaic grid-connected device in Fig. 1.Photovoltaic power generation grid-connecting apparatus comprises photovoltaic inlet wire binding post, lightning protection device in parallel, inlet wire air switch, undervoltage protection device, earth leakage protective device, generating gauge table and grid-connected binding post.Photovoltaic inlet wire binding post connects inlet wire air switch, and inlet wire air switch one end connects lightning protection device in parallel, and the other end connects generating gauge table; Generating gauge table connects undervoltage protection device, and undervoltage protection device is connected with earth leakage protective device, and the other end of earth leakage protective device connects grid-connected binding post.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection range that the utility model claims determine.
Claims (3)
1. a photovoltaic power generation grid-connecting apparatus, is characterized in that: comprise photovoltaic inlet wire binding post, lightning protection device in parallel, inlet wire air switch, undervoltage protection device, earth leakage protective device, generating gauge table and grid-connected binding post; Photovoltaic inlet wire binding post connects inlet wire air switch, and inlet wire air switch one end connects lightning protection device in parallel, and the other end connects generating gauge table; Generating gauge table connects undervoltage protection device, and undervoltage protection device is connected with earth leakage protective device, and the other end of earth leakage protective device connects grid-connected binding post.
2. photovoltaic power generation grid-connecting apparatus according to claim 1, is characterized in that: photovoltaic plant connects straight/AC inverter, and straight/AC inverter is connected on house lead in switch for client by photovoltaic grid-connected device.
3. photovoltaic power generation grid-connecting apparatus according to claim 1 and 2, is characterized in that: when photovoltaic power station power generation, and electric current arrives house lead in switch for client by straight/AC inverter, photovoltaic grid-connected device; When photovoltaic plant does not generate electricity, client uses from common line, enters the electricity of house lead in switch through concentrated gas meter box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743623.3U CN204190403U (en) | 2014-12-01 | 2014-12-01 | Photovoltaic power generation grid-connecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420743623.3U CN204190403U (en) | 2014-12-01 | 2014-12-01 | Photovoltaic power generation grid-connecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190403U true CN204190403U (en) | 2015-03-04 |
Family
ID=52622373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420743623.3U Expired - Fee Related CN204190403U (en) | 2014-12-01 | 2014-12-01 | Photovoltaic power generation grid-connecting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689641A (en) * | 2017-11-17 | 2018-02-13 | 国网河南省电力公司商丘供电公司 | A kind of method for effectively improving distributed power source grid connection efficiency |
-
2014
- 2014-12-01 CN CN201420743623.3U patent/CN204190403U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107689641A (en) * | 2017-11-17 | 2018-02-13 | 国网河南省电力公司商丘供电公司 | A kind of method for effectively improving distributed power source grid connection efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20181201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |