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Photovoltaic inverter

A photovoltaic inverter and transformer module technology, applied in the field of inverters, can solve problems such as assembly confusion, affecting the normal operation of inverters, and mutual interference, and achieve the effects of easy assembly and maintenance, neat assembly, and low mutual interference

Inactive Publication Date: 2011-08-17
CHANGZHOU GIANTION PHOTOELECTRICITY IND DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing inverters generally assemble IGBTs, filters, transformers, controllers and other components in metal cabinets, and the assembly of each component is chaotic, resulting in mutual interference between components when the inverter is working, affecting Normal operation of the inverter

Method used

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Examples

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Embodiment Construction

[0021] refer to Figure 1 to Figure 5 A photovoltaic inverter is shown, which includes a cabinet 1, a power module 2 arranged in the cabinet 1, a filter module 3, a transformer module 4, a control board module 5, a circuit breaker 6 and a contactor 7, the cabinet The body 1 is provided with a number of beams 8 for supporting and fixing the power module 2, the filter module 3 and the transformer module. Above the transformer module 4, the power module 2 and the control board module 5 are arranged at the top inside the cabinet body 1, the power module 2 is arranged on the power module fixing panel 10, the lower end of the power module 2 is provided with a radiator 9, and the power module fixing panel 10 is fixed on the power module fixing beam 8 in the cabinet 1, the control board module 5 is set in front of the power module 2 in the cabinet 1, and the filter module 3 is set on the filter module 3 fixing beam 8 below the power module 2 Above, the circuit breaker 6 is set on the...

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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 [0001] The invention relates to an inverter for a solar grid-connected power generation system, in particular to a high-power inverter. Background technique [0002] With the consumption of earth resources, people began to pay attention to the development and utilization of renewable energy. Solar photovoltaic systems have been widely valued by various countries because of their advantages of environmental protection, pollution-free, renewable, not subject to geographical restrictions, and great development potential. In the future society, Solar energy will be the main energy source. The electric energy generated by the solar power generation system is direct current, which must be converted into alternating current by an inverter before it can be output to the grid-connected power generation system. Therefore, the design of a high-power grid-connected inverter is an important indicator of the success or failure of a photovoltaic power plant construction. E...

Claims

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Application Information

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IPC IPC(8): H02M1/00H05K9/00H05K7/20
CPCY02E10/56
Inventor 李安定靳伟唐燕
Owner CHANGZHOU GIANTION PHOTOELECTRICITY IND DEV
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