CN202168005U - High-power photovoltaic inverter power device - Google Patents
High-power photovoltaic inverter power device Download PDFInfo
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- CN202168005U CN202168005U CN 201120293533 CN201120293533U CN202168005U CN 202168005 U CN202168005 U CN 202168005U CN 201120293533 CN201120293533 CN 201120293533 CN 201120293533 U CN201120293533 U CN 201120293533U CN 202168005 U CN202168005 U CN 202168005U
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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 discloses a high-power photovoltaic inverter power device, consisting of a direct-current power supply, a first fuse, a second fuse, a direct-current EMI filter, a surge inhibitor, a switch, a direct-current capacitor group, a controller, a three-phase IGBT bridge type circuit, a filter circuit, a transformer, a three-phase load and an output surge inhibitor; and the direct-current voltage of the direct-current power supply is sent to the power network or the three-phase load by the three-phase symmetric alternating-current voltage generated by the three-phase IGBT bridge type circuit under the control of the controller.
Description
Technical field
The utility model relates to a kind ofly provides a kind of inverter for solar grid-connected generating.
Background technology
The demand of carbon reduction instantly, particularly Fukushima, Japan nuclear leakage have been catered in the utilization of new forms of energy and Japanese seismic events has brought important prompting for our industry, and cause the worry of people to nuclear energy safety once more.Under such background, the diversification on new forms of energy are used will develop rapidly, and particularly the development pole of solar wind power might be accelerated, thereby drives the rapid emergence of inversion industry.The demand of inverter in the world, market is main with Europe, Spain is maximum, Germany the second, moreover be exactly Japanese, how is the domestic market so? Along with the rapid growth of global photovoltaic installation amount, inverter market also constantly enlarges.Data show: from the first half of the year in 2010, totally arrived 8GW, 2009 annual the chances are 8GW has increased by nearly 3 times on a year-on-year basis.It is predicted in the time in 3 years from now on, 9 times growth to be arranged.To the market of China, probably reach 36,000,000,000 scale 10 years futures.Just present situation, the domestic market is smaller comparatively speaking, but these 2 years recently also can have breakthrough.
In the link of inverter design, the selection of semiconductor power device is no doubt important, can show the glamour that it is unique but safflower needs greenery to set off, and the reliability of passive device is with the stability that directly influences inversion system.Along with the development of technology, reach the useful life of inversion system more than 20 years, this reliability to components and parts has proposed new challenge, is the test that plays the time how to stand for does inversion system provide a stable operational environment? This is to need careful consideration.Solar energy is charged in the storage battery through electron plate, through inversion, is given to electric energy in client's the industrial system, and this is an independently system, and the significant problem that it faces is not have energy without sun, and storage battery is short cruising time.Be connected to the grid the photovoltaic inversion system and work as us, can directly take away energy-storage system, when sunshine is reasonable, just using solar energy system charges to electrical network; If when not having sunshine; Directly win over usefulness to electrical network, then just avoided inversion system to receive the restriction of sunshine condition, pass through serial or parallel to all solar-electricity daughter boards also together; Can improve energy (MW class) and efficient, reduce cost.The utility model provides a kind ofly provides a kind of inverter for solar grid-connected generating, can overcome the above problems well.
The utility model content
How the utility model technical problem to be solved is delivered to the electric energy of solar energy generation on the electrical network through inverting, realizes the convenient purpose of utilizing of solar energy.
For solving the problems of the technologies described above; The utility model provides a kind of high-power photovoltaic inverter power supply device, is made up of DC power supply, first fuse, second fuse, direct current electromagnetic interface filter, surge suppressor, switch, direct current capacitor group, controller, three-phase IGBT bridge circuit, wave circuit, transformer, threephase load and output surge suppressor; First fuse, second fuse are connected on respectively between the input of dc power output end and direct current electromagnetic interface filter; Surge suppressor is connected in parallel on the output of direct current electromagnetic interface filter, and switch is connected on the positive ends of output of direct current electromagnetic interface filter; The negative polarity end of the output of switch and direct current electromagnetic interface filter is connected in parallel on the two ends of direct current capacitor group and three-phase IGBT bridge circuit; The output of three-phase IGBT bridge circuit is connected with the input of wave circuit; The output of wave circuit is connected with the input of transformer; The output of transformer is connected with threephase load; The output surge suppressor is connected in parallel on respectively between transformer three-phase output end and the ground wire; The three-phase output end of transformer is connected with controller respectively; The output of controller is connected with the input of three-phase IGBT bridge circuit respectively.
The direct current capacitor group is formed for the multiple unit capacitor connection in series-parallel, and single condenser capacity is 16mF, and single capacitor rated voltage is 400V.
Three-phase IGBT bridge circuit is made up of six IGBT, is connected in parallel after two series connection again, constitutes three-phase IGBT bridge circuit, and output voltage waveforms is a three-phase symmetrical sine ripple.
Described transformer is a three-phase transformer, and no-load voltage ratio is 0.707: 1, and capacity is 115KVA.
Controller core is ARM7.
The utlity model has positive effect: in the high-power photovoltaic inverter power supply device of (1) the utility model, can require to satisfy the requirement of being incorporated into the power networks according to control from motion tracking mains frequency, line voltage.(2) the high-power photovoltaic inverter power supply device power of the utility model reaches as high as 150KW, at the input of supply unit the direct current electromagnetic interface filter is installed, and reduces the influence of the high order harmonic component of inverter bridge generation to DC power supply effectively.(3) the high-power photovoltaic inverter power supply device of the utility model, master controller adopt ARM7 as kernel processor chip, have improved computing and control response speed effectively.
Description of drawings
Fig. 1 is the high-power photovoltaic inverter power supply device structure chart of embodiment 1.
Embodiment
See shown in Figure 1; The high-power photovoltaic inverter power supply device of present embodiment, by comprising that DC power supply 1, first fuse 2, second fuse 3, direct current electromagnetic interface filter 4, surge suppressor 5, switch 6, direct current capacitor group 7, controller 8, three-phase IGBT bridge circuit 9, wave circuit 10, transformer 11, threephase load 12 and output surge suppressor 13 form: first fuse 2, second fuse 3 are connected on respectively between the input of DC power supply 1 output and direct current electromagnetic interface filter 4; Surge suppressor 5 is connected in parallel on the output of direct current electromagnetic interface filter 4, and switch 6 is connected on the positive ends of output of direct current electromagnetic interface filter 4; The negative polarity end of the output of switch 6 and direct current electromagnetic interface filter 4 is connected in parallel on the two ends of direct current capacitor group 7 and three-phase IGBT bridge circuit 9; The output of three-phase IGBT bridge circuit 9 is connected with the input of wave circuit 10; The output of wave circuit 10 is connected with the input of transformer 11; The output of transformer 11 is connected with threephase load 12; Output surge suppressor 13 is connected in parallel on respectively between transformer 11 three-phase output ends and the ground wire; The three-phase output end of transformer 11 is connected with controller 8 respectively; The output of controller 8 is connected with the input of three-phase IGBT bridge circuit (9) respectively.
Direct current capacitor group 7 is formed for the multiple unit capacitor connection in series-parallel, and single condenser capacity is 16mF, and the rated voltage of single capacitor is 400V.
Three-phase IGBT bridge circuit 9 is made up of six IGBT, is connected in parallel after two series connection again, constitutes three-phase IGBT bridge circuit 9, and output voltage waveforms is a three-phase symmetrical sine ripple.
Transformer 11 is a three-phase transformer, and no-load voltage ratio is 0.707: 1, and capacity is 115KVA.
Controller 8 cores are ARM7.
The operation principle and the process of the high-power photovoltaic inverter power supply device of present embodiment are following:
The direct voltage that high-power photovoltaic inverter power supply device is controlled DC power supply 1 by controller 8 produces three-phase symmetrical alternating current voltages through three-phase IGBT bridge circuit 9, gives electrical network or threephase load 12.
Claims (5)
1. high-power photovoltaic inverter power supply device is made up of DC power supply (1), first fuse (2), second fuse (3), direct current electromagnetic interface filter (4), surge suppressor (5), switch (6), direct current capacitor group (7), controller (8), three-phase IGBT bridge circuit (9), wave circuit (10), transformer (11), threephase load (12) and output surge suppressor (13); It is characterized in that: first fuse (2), second fuse (3) are connected on respectively between the input of DC power supply (1) output and direct current electromagnetic interface filter (4); Surge suppressor (5) is connected in parallel on the output of direct current electromagnetic interface filter (4), and switch (6) is connected on the positive ends of output of direct current electromagnetic interface filter (4); The negative polarity end of the output of switch (6) and direct current electromagnetic interface filter (4) is connected in parallel on the two ends of direct current capacitor group (7) and three-phase IGBT bridge circuit (9); The output of three-phase IGBT bridge circuit (9) is connected with the input of wave circuit (10); The output of wave circuit (10) is connected with the input of transformer (11); The output of transformer (11) is connected with threephase load (12); Output surge suppressor (13) is connected in parallel on respectively between transformer (11) three-phase output end and the ground wire; The three-phase output end of transformer (11) is connected with controller (8) respectively; The output of controller (8) is connected with the input of three-phase IGBT bridge circuit (9) respectively.
2. high-power photovoltaic inverter power supply device according to claim 1 is characterized in that: described direct current capacitor group (7) is formed for the multiple unit capacitor connection in series-parallel, and single condenser capacity is 16mF, and single capacitor rated voltage is 400V.
3. high-power photovoltaic inverter power supply device according to claim 1 is characterized in that: described three-phase IGBT bridge circuit (9) is made up of six IGBT, is connected in parallel after two series connection again, constitutes three-phase IGBT bridge circuit (9).
4. high-power photovoltaic inverter power supply device according to claim 1 is characterized in that: described transformer (11) is a three-phase transformer, and no-load voltage ratio is 0.707: 1, and capacity is 115KVA.
5. high-power photovoltaic inverter power supply device according to claim 1 is characterized in that: described controller (8) core is ARM7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120293533 CN202168005U (en) | 2011-08-10 | 2011-08-10 | High-power photovoltaic inverter power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120293533 CN202168005U (en) | 2011-08-10 | 2011-08-10 | High-power photovoltaic inverter power device |
Publications (1)
| Publication Number | Publication Date |
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| CN202168005U true CN202168005U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120293533 Expired - Fee Related CN202168005U (en) | 2011-08-10 | 2011-08-10 | High-power photovoltaic inverter power device |
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| CN (1) | CN202168005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714580A (en) * | 2015-03-09 | 2015-06-17 | 中国科学院长春光学精密机械与物理研究所 | Improved magnetic latching relay satellite-borne camera power supply system |
| CN104714579A (en) * | 2015-03-09 | 2015-06-17 | 中国科学院长春光学精密机械与物理研究所 | Spaceborne camera power supply system based on RLC oscillating discharge |
-
2011
- 2011-08-10 CN CN 201120293533 patent/CN202168005U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104714580A (en) * | 2015-03-09 | 2015-06-17 | 中国科学院长春光学精密机械与物理研究所 | Improved magnetic latching relay satellite-borne camera power supply system |
| CN104714579A (en) * | 2015-03-09 | 2015-06-17 | 中国科学院长春光学精密机械与物理研究所 | Spaceborne camera power supply system based on RLC oscillating discharge |
| CN104714580B (en) * | 2015-03-09 | 2016-08-24 | 中国科学院长春光学精密机械与物理研究所 | A kind of magnetic latching relay star loaded camera electric power system of improvement |
| CN104714579B (en) * | 2015-03-09 | 2016-12-07 | 中国科学院长春光学精密机械与物理研究所 | Star loaded camera electric power system based on RLC oscillating discharge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU ZHENGQIANG ELECTRIC CO., LTD. Free format text: FORMER NAME: JIANGSU QINGNENG POWER SUPPLY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee after: Jiangsu ZhengQiang Electric Co., Ltd. Address before: 213125 Jiangsu province Changzhou Fengxiang Road, new North Xuejiadao Industrial Park No. 1 Patentee before: Jiangsu Qingneng Power Supply Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: JIANGSU ZHENGHUI SOLAR CO., LTD. Free format text: FORMER OWNER: JIANGSU ZHENGQIANG ELECTRIC CO., LTD. Effective date: 20140606 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140606 Address after: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee after: Jiangsu Zhenghui Solar Co., Ltd. Address before: 213125 No. 18 strong road, Xinbei District, Jiangsu, Changzhou Patentee before: Jiangsu ZhengQiang Electric Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20190810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |