CN102158054A - Photovoltaic inverter - Google Patents
Photovoltaic inverter Download PDFInfo
- Publication number
- CN102158054A CN102158054A CN2011100759494A CN201110075949A CN102158054A CN 102158054 A CN102158054 A CN 102158054A CN 2011100759494 A CN2011100759494 A CN 2011100759494A CN 201110075949 A CN201110075949 A CN 201110075949A CN 102158054 A CN102158054 A CN 102158054A
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- module
- cabinet
- circuit breaker
- control board
- installation panel
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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
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Abstract
The invention relates to a photovoltaic inverter which comprises a cabinet body, a power module, a filter module, a transformer module, a control plate module, a circuit breaker and a contactor, wherein the power module is arranged in the cabinet body; a plurality of beams for supporting and fixing the power module, the filter module and the transformer module are arranged in the cabinet body; the transformer module is arranged at the lowest part in the cabinet body; the filter module, the contactor and the circuit breaker are arranged on the transformer module; the power module and the control plate module are arranged at the uppermost part in the cabinet body; the power module is arranged on a fixed panel of the power module; the lower end of the power module is provided with a heat radiator; the fixed panel of the power module is fixed to a fixed beam of the power module in the cabinet body; the control plate module is arranged in the front of the power module in the cabinet body; the filter module is arranged on the fixed beam of the filter module under the power module; the circuit breaker is arranged on an installation panel of the circuit breaker; the installation panel of the circuit breaker is arranged under the control plate module; the contactor is arranged on a copper plate installation panel; the copper plate installation panel is arranged under the installation panel of the circuit breaker; a copper plate is connected with the circuit breaker; the contactor is connected with the circuit breaker by a lead; and a ground lead copper plate is arranged on the copper plate installation panel.
Description
Technical field
The present invention relates to the inverter that a kind of solar grid-connected electricity generation system is used, particularly a kind of powerful inverter.
Background technology
Consumption along with earth resource, people begin to pay attention to the development and use of regenerative resource, advantages such as solar energy photovoltaic system is environment friendly and pollution-free, renewable because of it, be not subjected to the region restriction, potentiality to be exploited is big obtain the generally attention of each country, in the following society, solar energy will become main energy source.The electric energy that solar power system produces is a direct current, must change into alternating current through inverter and can output in the grid-connected system afterwards, and therefore, the design of high-power combining inverter is the important judgement symbol that photovoltaic plant is built success or failure.Existing inverter generally is that parts such as IGBT, filter, transformer, controller are assemblied within the metal cabinet, and the assembling of each parts is chaotic, and when causing inverter work, phase mutual interference between each parts influences the normal operation of inverter.
Summary of the invention
The objective of the invention is to the metal cabinet internal structure confusion at the existence of the existing inverter described in the background technology, the problem of phase mutual interference between each parts provides a kind of inverter that can solve foregoing problems.
The technical scheme that realizes goal of the invention of the present invention is as follows:
A kind of photovoltaic DC-to-AC converter, it comprises cabinet, be arranged at the power model in the cabinet, filter module, transformer module, the control board module, circuit breaker and contactor, be provided with some support fixation power models that are used in the cabinet, the crossbeam of filter module and transformer mould, transformer module is arranged at below, cabinet inside, filter module, contactor and circuit breaker are arranged at the transformer module top, power model and control board module are arranged at the inner the top of cabinet, power model is arranged on the power model fixed panel, the lower end of power model is provided with radiator, the power model fixed panel is fixed on the interior power model fixed cross beam of cabinet, the control board module is arranged at the place ahead of cabinet internal power module, filter module is arranged on the filter module fixed cross beam of below of power model, circuit breaker is arranged on the circuit breaker installation panel, the circuit breaker installation panel is arranged at the below of control board module, contactor is arranged on the bronze medal installation panel, the bronze medal installation panel is arranged at the below of circuit breaker installation panel, bronze medal is connected with circuit breaker, contactor is connected by lead with circuit breaker, and the bronze medal installation panel is provided with the ground wire bronze medal.
Described bronze medal installation panel is provided with the leakage current protector.
Described bronze medal installation panel is provided with 485 binding posts.
The place ahead of described cabinet internal breaker and bronze medal is provided with baffle plate.
The place ahead of described cabinet internal power module and transformer module is provided with decoration panel, and decoration panel is provided with louvre.
Described cabinet front portion is provided with the cabinet door, cabinet student side and transformer module over against the position be provided with waveguide window.
Described cabinet top is provided with suspension ring.
The below of described transformer module is provided with beam.
Described control board module comprises the control board metal shell and is arranged at the interior control board assembly of control board metal shell.
Beneficial effect of the present invention is for comprising cabinet because of inverter of the present invention, be arranged at the power model in the cabinet, filter module, transformer module, the control board module, circuit breaker and contactor, each main functional part adopts the modularization setting, be convenient to the assembling and the maintenance of inverter, each module is fixed on the crossbeam that is arranged in the cabinet, interconnect by the line that is arranged in the wire casing between them, mounted inside is neat, wiring is convenient, the phase mutual interference is less between each parts, the control board module comprises the control board metal shell and is arranged at the interior control board assembly of control board metal shell, play the effect of electromagnetic shielding by the control board metal shell, guarantee that control panel is not subjected to the interference of outside other modules.
Description of drawings
Fig. 1 is a cabinet schematic internal view of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the schematic diagram behind the inner installation of cabinet of the present invention circuit breaker, contactor and the bronze medal;
Fig. 4 is the schematic diagram behind cabinet of the present invention inner installation baffle plate and the decoration panel;
Fig. 5 is an outside schematic diagram of the present invention;
Among the figure, 1 is cabinet, and 2 is power model, and 3 is filter module; 4 is transformer module, and 5 is the control board module, and 6 is circuit breaker, and 7 is contactor; 8 is crossbeam, and 9 is radiator, and 10 is the power model fixed panel, and 11 is the circuit breaker installation panel; 12 is the bronze medal installation panel, and 13 is bronze medal, and 14 is the ground wire bronze medal, and 15 is the leakage current protector; 16 is 485 binding posts, and 17 is baffle plate, and 18 is decoration panel, and 19 is waveguide window; 20 is suspension ring, and 21 is beam, and 22 is the control board metal shell, and 23 is the cabinet door.
Embodiment
Referring to figs. 1 through a kind of photovoltaic DC-to-AC converter shown in Figure 5, it comprises cabinet 1, be arranged at the power model 2 in the cabinet 1, filter module 3, transformer module 4, control board module 5, circuit breaker 6 and contactor 7, be provided with some support fixation power models 2 that are used in the cabinet 1, the crossbeam 8 of filter module 3 and transformer mould, transformer module 4 is arranged at below, cabinet 1 inside, filter module 3, contactor 7 and circuit breaker 6 are arranged at transformer module 4 tops, power model 2 and control board module 5 are arranged at cabinet 1 inner the top, power model 2 is arranged on the power model fixed panel 10, the lower end of power model 2 is provided with radiator 9, power model fixed panel 10 is fixed on the power model fixed cross beam 8 in the cabinet 1, control board module 5 is arranged at the place ahead of cabinet 1 internal power module 2, filter module 3 is arranged on filter module 3 fixed cross beams 8 of below of power model 2, circuit breaker 6 is arranged on the circuit breaker installation panel 11, circuit breaker installation panel 11 is arranged at the below of control board module 5, contactor 7 is arranged on the bronze medal installation panel 12, bronze medal installation panel 12 is arranged at the below of circuit breaker installation panel 11, bronze medal 13 is connected with circuit breaker 6, contactor 7 and circuit breaker 6 are connected by lead, and bronze medal installation panel 12 is provided with ground wire bronze medal 14.
As a further improvement on the present invention, in order to ensure inverter fail safe in use, described bronze medal installation panel 12 is provided with leakage current protector 15.For the ease of contactor 7 modules of inverter inside and being connected of other modules, described bronze medal installation panel 12 is provided with 485 binding posts 16.In order further to guarantee the fail safe in the inverter course of work, the place ahead of described cabinet 1 internal breaker 6 and bronze medal 13 is provided with baffle plate 17, and baffle plate 17 is provided with high pressure prompting symbol, also is provided with the operation indication of inverter.For power model 2 and other modules are separated, make between itself and other module and do not disturb mutually, the place ahead of described cabinet 1 internal power module 2 and transformer module 4 is provided with decoration panel 18, and decoration panel 18 is provided with louvre.In order to guarantee the operate as normal of inner each module of inverter, make it not be subjected to the interference of external electromagnetic waves, can't impact external environment condition, described cabinet 1 front portion is provided with the cabinet door, cabinet student side and transformer module 4 over against the position be provided with waveguide window 19.For the ease of the carrying of inverter, described cabinet 1 top is provided with suspension ring 20.In order to prevent in handling process, because of vibrations cause the damage of transformer, the below of described transformer module 4 is provided with beam 21.Be not subjected to the interference operate as normal of other modules in the cabinet 1, described control board module 5 to comprise control board metal shell 22 and be arranged at control board assembly in the control board metal shell 22 in order to ensure control board module 5.
Novel photovoltaic DC-to-AC converter of the present invention is the inverter of power more than 100kw, power model 2 is made up of 3 groups of IGBT inverter circuits, the direct current of solar panel generation is converted to the alternating current of the 220V that is incorporated into the power networks by three groups of inverter circuits, when inverter is worked, the DC power supply of input transfers to the DC circuit of filter through the direct-flow input end of circuit breaker 6, transfer to power model 2 then, the alternating current that converts to through power model 2 transfers to transformer, through transformer voltage conversion is transferred to contactor 7, transfer to the alternating current circuit of filter then, pass through the ac output end output AC of circuit breaker 6 then.In the inverter course of work, the 9 pairs of power models 2 of radiator that are arranged at power model 2 lower ends dispel the heat, electromagnetic interference in 22 pairs of inverter cabinets of the control board metal shell of control module 1 shields, 19 pairs of inverter internal environments of waveguide window on the cabinet door and external environment condition are blocked, and guarantee the operate as normal of inverter by above setting.
Claims (9)
1. photovoltaic DC-to-AC converter, it is characterized in that: it comprises cabinet, be arranged at the power model in the cabinet, filter module, transformer module, the control board module, circuit breaker and contactor, be provided with some support fixation power models that are used in the cabinet, the crossbeam of filter module and transformer module, transformer module is arranged at below, cabinet inside, filter module, contactor and circuit breaker are arranged at the transformer module top, power model and control board module are arranged at the inner the top of cabinet, power model is arranged on the power model fixed panel, the lower end of power model is provided with radiator, the power model fixed panel is fixed on the interior power model fixed cross beam of cabinet, the control board module is arranged at the place ahead of cabinet internal power module, filter module is arranged on the filter module fixed cross beam of below of power model, circuit breaker is arranged on the circuit breaker installation panel, the circuit breaker installation panel is arranged at the below of control board module, contactor is arranged on the bronze medal installation panel, the bronze medal installation panel is arranged at the below of circuit breaker installation panel, bronze medal is connected with circuit breaker, contactor is connected by lead with circuit breaker, and the bronze medal installation panel is provided with the ground wire bronze medal.
2. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: described bronze medal installation panel is provided with the leakage current protector.
3. according to claim 1 or 2 described photovoltaic DC-to-AC converters, it is characterized in that: described bronze medal installation panel is provided with 485 binding posts.
4. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: the place ahead of described cabinet internal breaker and bronze medal is provided with baffle plate.
5. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: the place ahead of described cabinet internal power module and transformer module is provided with decoration panel, and decoration panel is provided with louvre.
6. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: described cabinet front portion is provided with the cabinet door, cabinet student side and transformer module over against the position be provided with waveguide window.
7. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: described cabinet top is provided with suspension ring.
8. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: the below of described transformer module is provided with beam.
9. photovoltaic DC-to-AC converter according to claim 1 is characterized in that: described control board module comprises the control board metal shell and is arranged at the interior control board assembly of control board metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100759494A CN102158054A (en) | 2011-03-29 | 2011-03-29 | Photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100759494A CN102158054A (en) | 2011-03-29 | 2011-03-29 | Photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102158054A true CN102158054A (en) | 2011-08-17 |
Family
ID=44439298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100759494A Pending CN102158054A (en) | 2011-03-29 | 2011-03-29 | Photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102158054A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441689A (en) * | 2013-09-13 | 2013-12-11 | 南车株洲电力机车研究所有限公司 | Modular photovoltaic grid-connected inverter structure |
| CN104485802A (en) * | 2014-12-12 | 2015-04-01 | 天津电气科学研究院有限公司 | High-power photovoltaic combined cabinet body |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499627A (en) * | 2009-02-27 | 2009-08-05 | 湖北湖开电气有限公司 | Combined electrical appliance control cabinet |
| CN201577243U (en) * | 2009-12-18 | 2010-09-08 | 广州海晟通信科技有限公司 | ONU integrated machine cabinet |
| CN201750356U (en) * | 2010-06-18 | 2011-02-16 | 特变电工新疆新能源股份有限公司 | Mounting cabinet for photovoltaic inverter |
| CN202014204U (en) * | 2011-03-29 | 2011-10-19 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter |
-
2011
- 2011-03-29 CN CN2011100759494A patent/CN102158054A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101499627A (en) * | 2009-02-27 | 2009-08-05 | 湖北湖开电气有限公司 | Combined electrical appliance control cabinet |
| CN201577243U (en) * | 2009-12-18 | 2010-09-08 | 广州海晟通信科技有限公司 | ONU integrated machine cabinet |
| CN201750356U (en) * | 2010-06-18 | 2011-02-16 | 特变电工新疆新能源股份有限公司 | Mounting cabinet for photovoltaic inverter |
| CN202014204U (en) * | 2011-03-29 | 2011-10-19 | 常州佳讯光电产业发展有限公司 | Photovoltaic inverter |
Non-Patent Citations (2)
| Title |
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| 阳光电源股份有限公司: "SG100K3光伏并网逆变器安装手册", 《SG100K3光伏并网逆变器安装手册》 * |
| 陶高周等: "主电路模块化设计在大功率电源中的应用", 《电源世界》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441689A (en) * | 2013-09-13 | 2013-12-11 | 南车株洲电力机车研究所有限公司 | Modular photovoltaic grid-connected inverter structure |
| CN103441689B (en) * | 2013-09-13 | 2016-03-23 | 南车株洲电力机车研究所有限公司 | A kind of Modular photovoltaic combining inverter structure |
| CN104485802A (en) * | 2014-12-12 | 2015-04-01 | 天津电气科学研究院有限公司 | High-power photovoltaic combined cabinet body |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110817 |