CN204046507U - The photovoltaic inversion cabinet of integrated power supply unit and photovoltaic generating system - Google Patents
The photovoltaic inversion cabinet of integrated power supply unit and photovoltaic generating system Download PDFInfo
- Publication number
- CN204046507U CN204046507U CN201420176338.8U CN201420176338U CN204046507U CN 204046507 U CN204046507 U CN 204046507U CN 201420176338 U CN201420176338 U CN 201420176338U CN 204046507 U CN204046507 U CN 204046507U
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- China
- Prior art keywords
- photovoltaic
- unit
- branch switch
- direct current
- converter unit
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- 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 - Lifetime
Links
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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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- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of photovoltaic inversion cabinet of integrated power supply unit, comprise photovoltaic DC-to-AC converter unit, Direct Current Distribution Unit, described Direct Current Distribution Unit comprises multiple branch switch, multiple counnter attack diode, multiple described branch switch cathode output end mouth is connected to multiple counnter attack diode input respectively, the tandem of multiple described branch switch cathode output end is to described photovoltaic DC-to-AC converter unit, and multiple counnter attack diode output is connected to described photovoltaic DC-to-AC converter unit.The beneficial effects of the utility model are photovoltaic inversion cabinet integrated DC power supply units of the present utility model, because Direct Current Distribution Unit installs branch breaker, thus the panel switches in former inverter cabinet can be reduced, thus effectively reduce volume, the weight of product, reduce cost, run more reliable.
Description
Technical field
The utility model relates to photoelectric field, particularly relates to photovoltaic inversion cabinet and the photovoltaic generating system of integrated power supply unit.
Background technology
Powerful photovoltaic generating system generally to be confluxed through header box by PV array and is connected to power distribution cabinet, and the output of power distribution cabinet is through inverter cabinet and to electrical network.Usually power distribution cabinet is adopted to add two cabinet patterns of inverter after powerful photovoltaic power generation system bus box.The function of power distribution cabinet be branch road tandem that multichannel photovoltaic combiner box is exported to together, generally input branch breaker, counnter attack diode and cabinet by PV and form, have some also may have voltage, current sample display unit.The input distribution of photovoltaic inversion cabinet self also has various modes, usually adopts input circuit breaker or isolating switch to add the mode of insurance.Adopting power distribution cabinet to add the two cabinet pattern of inverter cabinet can make the volume of whole system, weight all can be very large, and cost also can be very high, and power distribution cabinet and photovoltaic inversion cabinet will add break-up device protection respectively, adds cost and the fault point of system.
Utility model content
In order to solve the problems of the prior art, the utility model provides a kind of photovoltaic inversion cabinet of integrated power supply unit.
The utility model provides a kind of photovoltaic inversion cabinet of integrated power supply unit, comprises photovoltaic DC-to-AC converter unit, Direct Current Distribution Unit, and described Direct Current Distribution Unit comprises multiple branch switch, and described branch switch is connected with described photovoltaic DC-to-AC converter unit.
As further improvement of the utility model, described Direct Current Distribution Unit comprises multiple counnter attack diode, multiple described branch switch cathode output end mouth is connected to multiple counnter attack diode input respectively, the tandem of multiple described branch switch cathode output end is to described photovoltaic DC-to-AC converter unit, and multiple counnter attack diode output is connected to described photovoltaic DC-to-AC converter unit.
As further improvement of the utility model, described branch switch is the security unit of circuit breaker or isolating switch or security unit or isolating switch and connection.
The utility model additionally provides a kind of photovoltaic generating system comprising described photovoltaic inversion cabinet, this photovoltaic generating system also comprises photovoltaic panel group string, header box, described photovoltaic panel group string output is connected with described header box input, and described header box output is connected with described branch switch input.
As further improvement of the utility model, described photovoltaic panel group string is multiple, and described header box is multiple, and multiple described photovoltaic panel group string is connected with multiple described header box one_to_one corresponding respectively.
As further improvement of the utility model, described photovoltaic DC-to-AC converter unit output is connected with electrical network.
The beneficial effects of the utility model are: photovoltaic inversion cabinet integrated DC power supply unit of the present utility model, because Direct Current Distribution Unit installs branch breaker, thus the panel switches in former inverter cabinet can be reduced, thus effectively reduce volume, the weight of product, reduce cost, run more reliable.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model discloses a kind of photovoltaic inversion cabinet 1 of integrated power supply unit, comprise photovoltaic DC-to-AC converter unit 11, Direct Current Distribution Unit 12, described Direct Current Distribution Unit 12 comprises multiple branch switch, and described branch switch is connected with described photovoltaic DC-to-AC converter unit 11.
As an embodiment of the present utility model, Direct Current Distribution Unit 12 also comprises multiple counnter attack diode D
1, D
2d
n, multiple described branch switch cathode output end mouth is connected to multiple counnter attack diode D respectively
1, D
2d
ninput, the tandem of multiple described branch switch cathode output end is described photovoltaic DC-to-AC converter unit 11 extremely, multiple counnter attack diode D
1, D
2d
noutput is connected to described photovoltaic DC-to-AC converter unit 11.
Described branch switch is the security unit of circuit breaker or isolating switch or security unit or isolating switch and connection, and multiple circuit breaker is respectively Q
1, Q
2q
n.
The invention also discloses a kind of photovoltaic generating system comprising described photovoltaic inversion cabinet 1, this photovoltaic generating system also comprises photovoltaic panel group string 2, header box 3, described photovoltaic panel group string 2 output is connected with described header box 3 input, and described header box 3 output is connected with described branch switch input.
Described photovoltaic panel group string 2 is multiple, and described header box 3 is multiple, and multiple described photovoltaic panel group string 2 is connected with multiple described header box 3 one_to_one corresponding respectively.
Described photovoltaic DC-to-AC converter unit 11 output is connected with electrical network.
Photovoltaic panel group string 2 namely PV array, photovoltaic panel energy becomes alternating current to deliver to the inverter of electrical network from DC converting for abundant by photovoltaic DC-to-AC converter unit 11.
This photovoltaic generating system can add voltage, current sample display unit on each input branch road.
Photovoltaic inversion cabinet 1 integrated DC power supply unit 12 of the present utility model, because Direct Current Distribution Unit 12 has installed branch breaker Q
1, Q
2q
n, thus can reduce the panel switches in former inverter cabinet, thus effectively reduce volume, the weight of product, reduce cost, run more reliable, this photovoltaic inversion cabinet 1 weight is reduced to 1200KG from 1460KG, and cost reduces about 15%.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as belonging to protection range of the present utility model.
Claims (5)
1. a photovoltaic inversion cabinet for integrated power supply unit, it is characterized in that: comprise photovoltaic DC-to-AC converter unit, Direct Current Distribution Unit, described Direct Current Distribution Unit comprises multiple branch switch, and described branch switch is connected with described photovoltaic DC-to-AC converter unit; Described Direct Current Distribution Unit comprises multiple counnter attack diode, multiple described branch switch cathode output end mouth is connected to multiple counnter attack diode input respectively, the tandem of multiple described branch switch cathode output end is to described photovoltaic DC-to-AC converter unit, and multiple counnter attack diode output is connected to described photovoltaic DC-to-AC converter unit.
2. photovoltaic inversion cabinet according to claim 1, is characterized in that: described branch switch is the security unit of circuit breaker or isolating switch or security unit or isolating switch and connection.
3. one kind comprises the photovoltaic generating system of photovoltaic inversion cabinet described in any one of claim 1 to 2, it is characterized in that: this photovoltaic generating system also comprises photovoltaic panel group string, header box, described photovoltaic panel group string output is connected with described header box input, and described header box output is connected with described branch switch input.
4. photovoltaic generating system according to claim 3, is characterized in that: described photovoltaic panel group string is multiple, and described header box is multiple, and multiple described photovoltaic panel group string is connected with multiple described header box one_to_one corresponding respectively.
5. photovoltaic generating system according to claim 4, is characterized in that: described photovoltaic DC-to-AC converter unit output is connected with electrical network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176338.8U CN204046507U (en) | 2014-04-11 | 2014-04-11 | The photovoltaic inversion cabinet of integrated power supply unit and photovoltaic generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420176338.8U CN204046507U (en) | 2014-04-11 | 2014-04-11 | The photovoltaic inversion cabinet of integrated power supply unit and photovoltaic generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204046507U true CN204046507U (en) | 2014-12-24 |
Family
ID=52247128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420176338.8U Expired - Lifetime CN204046507U (en) | 2014-04-11 | 2014-04-11 | The photovoltaic inversion cabinet of integrated power supply unit and photovoltaic generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204046507U (en) |
-
2014
- 2014-04-11 CN CN201420176338.8U patent/CN204046507U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221111 Address after: Floor 9, Keshida Industrial Park R&D Building, No.7 Road, Gaoxinyuan West District, Guangming New District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN KSTAR NEW ENERGY Co.,Ltd. Address before: Floor 4, Building 1, Software Park, High tech Middle Second Road, Nanshan District, Shenzhen, Guangdong 518057 Patentee before: SHENZHEN KSTAR SCIENCE AND TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |