CN204559515U - Big-power solar battery simulator - Google Patents
Big-power solar battery simulator Download PDFInfo
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- CN204559515U CN204559515U CN201520255459.6U CN201520255459U CN204559515U CN 204559515 U CN204559515 U CN 204559515U CN 201520255459 U CN201520255459 U CN 201520255459U CN 204559515 U CN204559515 U CN 204559515U
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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
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Abstract
The utility model provides a kind of big-power solar battery simulator, comprises input frame pantograph disconnecting switch, step-up transformer, soft unit, input filter reactor, rectification unit, DC/DC unit, the filter unit of connecting successively and exports DC circuit breaker.The problem that the performance index that the utility model may occur after adopting the high-power simulator of unit to avoid small-power multi-machine parallel connection, stability decline, instead of battery pack test photovoltaic inverter characteristics, energy-conserving and environment-protective, reduce costs simultaneously.
Description
Technical field
The utility model relates to electric and electronic technical field.Particularly relate to a kind of big-power solar battery simulator, product is mainly used in photovoltaic industry, the I-V characteristic curve of analog solar battery, is used for testing the output performance of photovoltaic DC-to-AC converter.
Background technology
At present, market there is the product of different model to each application and price, also having manyly is in the process developed, utilizing solar cell IV simulator to simulate monocrystalline silicon, polysilicon, the output current of non-crystal silicon solar cell plate when different temperature, illumination and shade block and voltage, is the needs of current photovoltaic DC-to-AC converter industry development.But, easily there is the problem that performance index, stability decline in the normal simulator adopting small-power multi-machine parallel connection at present.
Utility model content
For the needs of photovoltaic industry development and the deficiency of small-power simulator, the utility model provides a kind of solar cell simulator being suitable for high-power photovoltaic inverter test, its cost performance is high, less investment, DC/DC functional module can be increased on original conventional DC source or alternating current source, make the performance of existing equipment more comprehensive.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of big-power solar battery simulator, comprises input frame pantograph disconnecting switch, step-up transformer, soft unit, input filter reactor, rectification unit, DC/DC unit, the filter unit of connecting successively and exports DC circuit breaker; Described rectification unit comprises an IGBT rectification module, the 2nd IGBT rectification module, the 3rd rectification module, the first capacitance module, the second capacitance module and the 3rd capacitance module, a described IGBT rectification module, the 2nd IGBT rectification module and the 3rd IGBT rectification module are in parallel, and described first capacitance module, the second capacitance module and the 3rd capacitance module are connected with an IGBT rectification module, the 2nd IGBT rectification module and the 3rd rectification module respectively; Described DC/DC unit comprises the first DC chopper, the second DC chopper, the 3rd DC chopper and the 4th DC chopper that are connected in parallel and the 4th capacitance module, the 5th capacitance module, the 6th capacitance module and the 7th capacitance module of connecting with this first DC chopper, the second DC chopper, the 3rd DC chopper and the 4th DC chopper respectively.
Further, described soft unit comprises the first contactor, the second contactor and aluminum casing resistor, described second contactor and described aluminum casing resistor are in parallel with described first contactor after connecting, the input of described first contactor is connected with the output of described input frame pantograph disconnecting switch, and the output of described first contactor is connected with the input of described input filter reactor.
Further, described filter unit comprises the first out put reactor, the second out put reactor, the 3rd out put reactor, the 4th out put reactor and output filter capacitor, be connected with the positive pole of described output filter capacitor after described first out put reactor, the second out put reactor, the 3rd out put reactor and the 4th out put reactor parallel connection, the output of described output filter capacitor is connected with the input of described output DC circuit breaker.
From above technical scheme, the problem that the performance index that the utility model may occur after adopting the high-power simulator of unit to avoid small-power multi-machine parallel connection, stability decline, instead of battery pack test photovoltaic inverter characteristics, energy-conserving and environment-protective, reduce costs simultaneously; Big-power solar cell I-V simulator dynamic response is fast, precision is high, high voltage, big current, little to external radiation, security reliability is high, fitting operation is convenient, compact conformation, rationally distributed.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, a kind of preferred implementation of the present utility model is described in detail.
As shown in Figure 1, described big-power solar battery simulator comprises input frame pantograph disconnecting switch 100, step-up transformer 200, soft unit 300, input filter reactor 400, rectification unit 500, DC/DC unit 600, the filter unit 700 of connecting successively and exports DC circuit breaker 800.
Described input frame pantograph disconnecting switch 100 connects alternating current, machine is had to the effect of startup, and step-up transformer 200 pairs of input ac voltages boost.Described soft unit 300 comprises the first contactor 310, second contactor 320 and aluminum casing resistor 330, described second contactor and aluminum casing resistor are in parallel with described first contactor after connecting, the input of described first contactor is connected with the output of described step-up transformer 200, the output of described first contactor is connected with the input of described input filter reactor 400, and described second contactor is as the soft start of circuit.
Described rectification unit 500 comprises an IGBT rectification module 510, the 2nd IGBT rectification module 520, the 3rd rectification module 530, first capacitance module 540, second capacitance module 550 and the 3rd capacitance module 560, a wherein IGBT rectification module and the series connection of the first capacitance module, 2nd IGBT rectification module and the series connection of the second capacitance module, 3rd IGBT rectification module and the series connection of the 3rd capacitance module, then the three after series connection is in parallel.
Described DC/DC unit 600 comprises the first DC chopper 610, second DC chopper 620, the 3rd DC chopper 630 and the 4th DC chopper 640 that are connected in parallel and the 4th capacitance module 650, the 5th capacitance module 660, the 6th capacitance module 670 and the 7th capacitance module 680 of connecting with this first DC chopper, the second DC chopper, the 3rd DC chopper and the 4th DC chopper respectively.
Described output filtering unit 700 comprises the first out put reactor 710, second out put reactor 720, the 3rd out put reactor 730 and the 4th out put reactor 740 and an output filter capacitor 750 that are connected in parallel, the output of this output filter capacitor is connected with the input of described output DC circuit breaker, exports the input of output as subscriber equipment of DC circuit breaker.Described 4th capacitance module 650, 5th capacitance module 660, the positive pole of the 6th capacitance module 670 and the 7th capacitance module 680 parallel connection and the first out put reactor 710, second out put reactor 720, 3rd out put reactor 730 is connected with the input of the 4th out put reactor 740 parallel connection, described 4th capacitance module 650, 5th capacitance module 660, 6th capacitance module 670 is connected with the negative pole of output filter capacitor 750 with the negative pole of the 7th capacitance module 680 parallel connection, described first out put reactor 710, second out put reactor 720, 3rd out put reactor 730 is connected with the positive pole of described output filter capacitor 750 with the output of the 4th out put reactor 740 parallel connection.
The above execution mode 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 claims of the present utility model determine.
Claims (3)
1. a big-power solar battery simulator, is characterized in that, comprises input frame pantograph disconnecting switch, step-up transformer, soft unit, input filter reactor, rectification unit, DC/DC unit, the filter unit of connecting successively and exports DC circuit breaker; Described rectification unit comprises an IGBT rectification module, the 2nd IGBT rectification module, the 3rd rectification module, the first capacitance module, the second capacitance module and the 3rd capacitance module, a described IGBT rectification module, the 2nd IGBT rectification module and the 3rd IGBT rectification module are in parallel, and described first capacitance module, the second capacitance module and the 3rd capacitance module are connected with an IGBT rectification module, the 2nd IGBT rectification module and the 3rd rectification module respectively; Described DC/DC unit comprises the first DC chopper, the second DC chopper, the 3rd DC chopper and the 4th DC chopper that are connected in parallel and the 4th capacitance module, the 5th capacitance module, the 6th capacitance module and the 7th capacitance module of connecting with this first DC chopper, the second DC chopper, the 3rd DC chopper and the 4th DC chopper respectively.
2. big-power solar battery simulator according to claim 1, it is characterized in that, described soft unit comprises the first contactor, the second contactor and aluminum casing resistor, described second contactor and described aluminum casing resistor are in parallel with described first contactor after connecting, the input of described first contactor is connected with the output of described input frame pantograph disconnecting switch, and the output of described first contactor is connected with the input of described input filter reactor.
3. big-power solar battery simulator according to claim 1, it is characterized in that, described filter unit comprises the first out put reactor, the second out put reactor, the 3rd out put reactor, the 4th out put reactor and output filter capacitor, be connected with the positive pole of described output filter capacitor after described first out put reactor, the second out put reactor, the 3rd out put reactor and the 4th out put reactor parallel connection, the output of described output filter capacitor is connected with the input of described output DC circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255459.6U CN204559515U (en) | 2015-04-24 | 2015-04-24 | Big-power solar battery simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255459.6U CN204559515U (en) | 2015-04-24 | 2015-04-24 | Big-power solar battery simulator |
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| Publication Number | Publication Date |
|---|---|
| CN204559515U true CN204559515U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520255459.6U Active CN204559515U (en) | 2015-04-24 | 2015-04-24 | Big-power solar battery simulator |
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| CN (1) | CN204559515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301404A (en) * | 2015-11-16 | 2016-02-03 | 国家电网公司 | Solar cell simulator used for photovoltaic grid-connected inverter detection |
-
2015
- 2015-04-24 CN CN201520255459.6U patent/CN204559515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301404A (en) * | 2015-11-16 | 2016-02-03 | 国家电网公司 | Solar cell simulator used for photovoltaic grid-connected inverter detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2101, room 230088, building A, Sino Swiss building, 9 Hongfeng Road, Hefei, Anhui Patentee after: Hefei Kewei Power System Co.,Ltd. Address before: 2101, room 230088, building A, Sino Swiss building, 9 Hongfeng Road, Hefei, Anhui Patentee before: HEFEI KEWELL POWER SYSTEM CO.,LTD. |
|
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 230088 No.8 DALONGSHAN Road, hi tech Zone, Hefei City, Anhui Province Patentee after: Hefei Kewei Power System Co.,Ltd. Address before: Room 2101, block a, Zhongrui building, No.9, Hongfeng Road, hi tech Zone, Hefei City, Anhui Province Patentee before: Hefei Kewei Power System Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230088 No.8 DALONGSHAN Road, hi tech Zone, Hefei City, Anhui Province Patentee after: Cowell Technology Co.,Ltd. Address before: 230088 No.8 DALONGSHAN Road, hi tech Zone, Hefei City, Anhui Province Patentee before: Hefei Kewei Power System Co.,Ltd. |