CN105141244A - Solar inverter system - Google Patents
Solar inverter system Download PDFInfo
- Publication number
- CN105141244A CN105141244A CN201510481302.XA CN201510481302A CN105141244A CN 105141244 A CN105141244 A CN 105141244A CN 201510481302 A CN201510481302 A CN 201510481302A CN 105141244 A CN105141244 A CN 105141244A
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- CN
- China
- Prior art keywords
- inverter
- module
- solar
- modular converter
- contactor
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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.)
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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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- Inverter Devices (AREA)
Abstract
The invention provides a solar inverter system, which comprises a solar cell, a direct-current (DC) conversion module, an inverter module and an alternating-current (AC) conversion module, wherein a signal output end of the solar cell sequentially passes through the DC conversion module and the inverter module and is connected with a signal input end of the AC conversion module. According to the solar inverter system, the problem of extremely expensive installation and maintenance in a high-power solar inverter spot cooling system is solved; the solar inverter system is convenient to install; and various costs of overhaul and the like are reduced.
Description
Technical field
The present invention relates to a kind of solar inverter system, a kind of solar inverter field of specific design.
Background technology
Solar inverter is well-known.Standard component is: DC module, an inverter module and an AC module.This DC module comprises the multiple photovoltaic cells providing direct current to input to inverter.This inverter module uses the multiple electronic switches being generally insulated gate bipolar transistor DC input to be converted to and exchanges output.For provide the inverter of electric power to electrical network for, this AC module provides the AC being in the form being applicable to electrical network to export.
Designing and developing of inverter, the technical problem that needs are considered is: first, because the factor such as intensity of sunshine, battery temperature can affect the output characteristic of solar cell, therefore, in order to improve the operating efficiency of solar photovoltaic generation system, make the output voltage of solar cell level off to maximum power point voltage, obtain ceiling capacity to ensure that solar cell runs near maximum power point, combining inverter should have the regulatory function that maximal power tracing controls; Second, the output waveform of combining inverter, except meeting the qualities of power supply such as the frequency of utility grid, phase place and amplitude and requiring, what also must meet utility grid prevents the requirement such as island effect and Secure isolation ground connection, therefore must have the function of isolated island effect prevention, the electric connection of combining inverter and utility grid, solar-energy photo-voltaic cell when isolated island occurs, must be excised quickly and accurately.Therefore, be necessary to improve the solar photovoltaic power generation grid-connecting inverter structure of prior art, to promote the performance of combining inverter.For high power solar inverter, this mechanism is not enough to remove the heat produced.In addition, this solar inverter is incorporated in a kind of on-the-spot cooling system and is a technical task and makes the installation and maintenance of this kind of solar inverter quite expensive.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of solar inverter system, this solar inverter system is connected with the signal input part of inverter module with AC modular converter by DC modular converter successively by the signal output part of solar cell.
The present invention is achieved by the following technical programs.
A kind of solar inverter system provided by the invention, comprises solar cell, DC modular converter, inverter module and AC modular converter; The signal output part of described solar cell is connected with the signal input part of inverter module with AC modular converter by DC modular converter successively.
Also comprise refrigerating module, the signal output part of refrigerating module is connected with the signal input part of DC modular converter, inverter module and AC modular converter respectively.
Also comprise DC contactor, the signal output part of solar cell is connected with the signal input part of DC modular converter by DC contactor.
Also comprise AC contactor, the signal output part of inverter module is connected with the signal input part of AC modular converter by AC contactor.
Beneficial effect of the present invention is: the invention solves for the quite expensive problem of installation and maintenance in the on-the-spot cooling system of high power solar inverter, easy for installation, saves the various costs such as maintenance.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Further describe technical scheme of the present invention below, but described in claimed scope is not limited to.
A kind of solar inverter system as shown in Figure 1, comprises solar cell, DC modular converter, inverter module and AC modular converter; The signal output part of described solar cell is connected with the signal input part of inverter module with AC modular converter by DC modular converter successively.
Also comprise refrigerating module, the signal output part of refrigerating module is connected with the signal input part of DC modular converter, inverter module and AC modular converter respectively.This refrigerating module can comprise a fluid reservoir, a pump, a heat exchanger, an entrance and an outlet, wherein this pump is used for this outlet this fluid coolant being guided to this refrigerating module from this reservoir, this fluid coolant is used for the element cooling this solar inverter before this fluid coolant turns back to this entrance of this refrigerating module from this exit, and the fluid coolant that wherein this porch of this refrigerating module receives is directed to this heat exchanger, the at least some heat drawn from this solar inverter is removed from this fluid coolant.
Also comprise DC contactor, the signal output part of solar cell is connected with the signal input part of DC modular converter by DC contactor.This DC module can comprise a DC contactor, and this DC contactor is configured to this DC sun-generated electric power is optionally electrically connected with this output of this DC module.This DC contactor can control by of this solar inverter control circuit.Therefore, the mechanism that two independent can be provided, input for making this DC be electrically connected with this DC sun-generated electric power and disconnect with electric, one of them mechanism (this cut-off switch of this DC module) controls by an operator, and another mechanism (this DC contactor) controls by a control circuit of this solar inverter.
Also comprise AC contactor, the signal output part of inverter module is connected with the signal input part of AC modular converter by AC contactor.This AC module can comprise an AC contactor, and this AC contactor is configured to this output of this inverter module is optionally electrically connected with this output of this AC module.This AC contactor can control by of this solar inverter control circuit.Therefore, the mechanism that two independent can be provided, this output for this output with this AC module of making this inverter module is electrically connected and electricity disconnects, one of them mechanism (this cut-off switch of this AC module) controls by an operator, and another mechanism (this DC contactor) controls by a control circuit of this solar inverter.
Claims (4)
1. a solar inverter system, comprise solar cell, DC modular converter, inverter module and AC modular converter, it is characterized in that: the signal output part of described solar cell is connected with the signal input part of inverter module with AC modular converter by DC modular converter successively.
2. solar inverter system as claimed in claim 1, it is characterized in that: also comprise refrigerating module, the signal output part of refrigerating module is connected with the signal input part of DC modular converter, inverter module and AC modular converter respectively.
3. solar inverter system as claimed in claim 1, is characterized in that: also comprise DC contactor, and the signal output part of solar cell is connected with the signal input part of DC modular converter by DC contactor.
4. solar inverter system as claimed in claim 1, is characterized in that: also comprise AC contactor, and the signal output part of inverter module is connected with the signal input part of AC modular converter by AC contactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481302.XA CN105141244A (en) | 2015-08-07 | 2015-08-07 | Solar inverter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481302.XA CN105141244A (en) | 2015-08-07 | 2015-08-07 | Solar inverter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105141244A true CN105141244A (en) | 2015-12-09 |
Family
ID=54726485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510481302.XA Pending CN105141244A (en) | 2015-08-07 | 2015-08-07 | Solar inverter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105141244A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009055474A1 (en) * | 2007-10-23 | 2009-04-30 | And, Llc | High reliability power systems and solar power converters |
| KR100930132B1 (en) * | 2009-03-10 | 2009-12-08 | ㈜코리아에너텍 | The controlling and monitoring apparatus for photovoltaic power system |
| CN101667789A (en) * | 2009-04-14 | 2010-03-10 | 赵磊 | Inverter circuit used for solar energy photovoltaic grid connection and device thereof |
| CN103457293A (en) * | 2013-09-12 | 2013-12-18 | 南京欧陆电气传动有限公司 | Single-phase grid connection inverter for solar photovoltaic power generation |
| JP2015092829A (en) * | 2009-06-15 | 2015-05-14 | テンケーソーラー インコーポレイテッドＴｅｎｋｓｏｌａｒ，Ｉｎｃ． | Power control method of photovoltaic module for solar cell panel generous to non-uniform illumination |
-
2015
- 2015-08-07 CN CN201510481302.XA patent/CN105141244A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009055474A1 (en) * | 2007-10-23 | 2009-04-30 | And, Llc | High reliability power systems and solar power converters |
| KR100930132B1 (en) * | 2009-03-10 | 2009-12-08 | ㈜코리아에너텍 | The controlling and monitoring apparatus for photovoltaic power system |
| CN101667789A (en) * | 2009-04-14 | 2010-03-10 | 赵磊 | Inverter circuit used for solar energy photovoltaic grid connection and device thereof |
| JP2015092829A (en) * | 2009-06-15 | 2015-05-14 | テンケーソーラー インコーポレイテッドＴｅｎｋｓｏｌａｒ，Ｉｎｃ． | Power control method of photovoltaic module for solar cell panel generous to non-uniform illumination |
| CN103457293A (en) * | 2013-09-12 | 2013-12-18 | 南京欧陆电气传动有限公司 | Single-phase grid connection inverter for solar photovoltaic power generation |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151209 |
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| RJ01 | Rejection of invention patent application after publication |