CN201846093U - Photovoltaic inverter power unit - Google Patents
Photovoltaic inverter power unit Download PDFInfo
- Publication number
- CN201846093U CN201846093U CN2010205703886U CN201020570388U CN201846093U CN 201846093 U CN201846093 U CN 201846093U CN 2010205703886 U CN2010205703886 U CN 2010205703886U CN 201020570388 U CN201020570388 U CN 201020570388U CN 201846093 U CN201846093 U CN 201846093U
- Authority
- CN
- China
- Prior art keywords
- igbt module
- igbt
- bus bar
- base
- direct current
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
-
- 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 relates to components of solar energy grid-connected generation equipment, in particular to a photovoltaic inverter power unit. The photovoltaic inverter power unit comprises a base arranged horizontally, wherein an IGBT (insulated gate bipolar transistor) module vertically arranged is installed on the base; an IGBT driving circuit board is arranged below the IGBT module; a radiator is connected to the back of the IGBT module; a composite bus bar is connected to the front of the IGBT module; a direct current capacitor is connected to the upper end of the composite bus bar; a direct current absorption capacitor is connected to the front of the composite bus bar; a unit control box is arranged in front of the direct current absorption capacitor and fixedly connected with the radiator through an insulation support; and a current sensor installed on the base is arranged on the lower portion in front of the IGBT module. The IGBT module and the elements on the periphery of the IGBT module are installed integrally to form an independent unit, and therefore, the photovoltaic inverter power unit is compact in structure, occupies less space, can detect integrally, install and change before manufacturing, and simplifies operation maintenance process.
Description
Technical field
The utility model relates to solar grid-connected generating equipment parts, specifically is a kind of photovoltaic DC-to-AC converter power cell.
Background technology
Grid-connected photovoltaic system is made up of photovoltaic module, inverter, metering device and distribution system.Photovoltaic module is converted into non-linear direct current energy with solar energy, must the direct current energy of photovoltaic cell component be converted into AC energy feed-in electrical network with electrical network same-phase, same frequency by inverter.Photovoltaic DC-to-AC converter is the core devices of photovoltaic system, and the core of photovoltaic DC-to-AC converter is a power unit module.Power cell in the existing photovoltaic DC-to-AC converter system and peripheral cell are independent everywhere mostly to be installed, and its layout is unreasonable, is unfavorable for concentrating wiring and heat radiation.
Summary of the invention
The technical problem that the utility model is sent out solution provides a kind of rationally distributed, compact conformation, photovoltaic DC-to-AC converter power cell easy for installation.
Photovoltaic DC-to-AC converter power cell of the present utility model includes a horizontally disposed base, the IGBT module of vertical setting is installed on the base, IGBT module bottom is provided with the IGBT drive circuit board, the IGBT module rear is connected with radiator, IGBT module front is connected with composite bus bar, the composite bus bar upper end connects direct current capacitor, and the composite bus bar front is connected with direct current and absorbs electric capacity; Stream absorbs electric capacity the place ahead and is provided with the unit controls box, and the unit controls box is fixedlyed connected with radiator by insulating support; IGBT module front lower place is provided with the current sensor that is installed on the base.
The utility model forms separate unit with the integrated installation of IGBT module and peripheral cell thereof, not only compact conformation, take up room for a short time, and can simplify the operation maintenance process going out in manufacture process totally to detect earlier, install and change.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in the figure, this photovoltaic DC-to-AC converter power cell includes a horizontally disposed base 1, the IGBT module 2 of vertical setting is installed on the base, IGBT module bottom is provided with IGBT drive circuit board 3, the IGBT module rear is connected with radiator 4, IGBT module front is connected with composite bus bar 5, and the composite bus bar upper end connects direct current capacitor 6, and the composite bus bar front is connected with direct current and absorbs electric capacity 7; Stream absorbs electric capacity the place ahead and is provided with unit controls box 8, and the unit controls box is fixedlyed connected with radiator 4 by insulating support 9; IGBT module front lower place is provided with the current sensor 10 that is installed on the base.
Claims (1)
1. photovoltaic DC-to-AC converter power cell, it is characterized in that: its horizontally disposed base (1), the IGBT module (2) of vertical setting is installed on the base, IGBT module bottom is provided with IGBT drive circuit board (3), the IGBT module rear is connected with radiator (4), IGBT module front is connected with composite bus bar (5), and the composite bus bar upper end connects direct current capacitor (6), and the composite bus bar front is connected with direct current and absorbs electric capacity (7); Stream absorbs electric capacity the place ahead and is provided with unit controls box (8), and the unit controls box is fixedlyed connected with radiator (4) by insulating support (9); IGBT module front lower place is provided with the current sensor (10) that is installed on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205703886U CN201846093U (en) | 2010-10-21 | 2010-10-21 | Photovoltaic inverter power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205703886U CN201846093U (en) | 2010-10-21 | 2010-10-21 | Photovoltaic inverter power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201846093U true CN201846093U (en) | 2011-05-25 |
Family
ID=44040969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205703886U Expired - Fee Related CN201846093U (en) | 2010-10-21 | 2010-10-21 | Photovoltaic inverter power unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201846093U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215007A (en) * | 2011-05-27 | 2011-10-12 | 唐险峰 | Power control circuit board |
| CN103956885A (en) * | 2014-04-24 | 2014-07-30 | 江苏大全箱变科技有限公司 | Compact power unit of wind power converter |
| CN108400697A (en) * | 2017-02-04 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of supply unit |
-
2010
- 2010-10-21 CN CN2010205703886U patent/CN201846093U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102215007A (en) * | 2011-05-27 | 2011-10-12 | 唐险峰 | Power control circuit board |
| CN103956885A (en) * | 2014-04-24 | 2014-07-30 | 江苏大全箱变科技有限公司 | Compact power unit of wind power converter |
| CN108400697A (en) * | 2017-02-04 | 2018-08-14 | 中兴通讯股份有限公司 | A kind of supply unit |
| CN108400697B (en) * | 2017-02-04 | 2022-02-08 | 中兴通讯股份有限公司 | Power supply device |
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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: 20110525 Termination date: 20151021 |
|
| EXPY | Termination of patent right or utility model |