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solar conversion device

A technology of solar energy conversion and converter, which is applied in the direction of output power conversion device, circuit device, AC power input conversion to DC power output, etc., and can solve problems such as high distortion and low power level

Inactive Publication Date: 2016-03-09
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] However, this multilevel setup also has slightly higher distortion and lower power levels

Method used

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Embodiment Construction

[0026] Reference will now be made in detail to embodiments of the present disclosure, examples of which are illustrated in the accompanying drawings.

[0027] It should be understood that the terms and words used in the specification and appended claims should not be construed as limited to their ordinary and dictionary meanings, but should be based on the principle of allowing the inventor to define the terms that best describe the invention. Meanings and concepts corresponding to the technical solutions of the present invention are explained.

[0028] Therefore, the embodiments described in the description of the present disclosure and the examples shown in the drawings are only illustrative examples, and are not intended to represent all technical solutions of the embodiments, that is, the scope of the present invention. Various equivalents and improvements can be proposed at the time of filing.

[0029] figure 1 is a schematic block diagram showing a solar energy convers...

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Abstract

The present invention provides a solar energy conversion device, comprising: at least one solar cell array, which is used to receive light and generate direct current; a converter unit, which is used to convert the amplitude of the generated direct current; a multilevel inverter unit, which for receiving direct current from the converter unit to output alternating current with multiple levels, and the multilevel inverter unit includes a plurality of multilevel inverters; an alternating current filter for making the an inverter unit isolated from the grid; and a control unit for applying control signals to the converter unit and the multilevel inverter.

Description

[0001] Cross References to Related Applications [0002] This application claims priority under 35 USC 119 and 365 from Korean Patent Application No. 10-2011-0055338 (filed June 8, 2011), the entire contents of which are hereby incorporated by reference. technical field [0003] The present disclosure relates to a solar power conversion device, and more particularly, to a solar power conversion device that uses a neutral point clamped multilevel method as a hybrid method and has a higher output level and lower distortion than related art solar power conversion devices solar conversion device. Background technique [0004] A solar conversion device is a device for converting direct current generated in a solar cell into alternating current and transmitting the alternating current to the grid. Full-bridge hardware is mainly used in solar energy conversion. However, due to poor power quality and low efficiency, there has been increasing research and demand for multilevel ener...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/48H02J3/38
CPCH02M7/483H02J2300/26H02J2300/24H02J3/381Y02E10/56H02J3/472H02J2300/22
Inventor 吴昇勋
Owner LSIS CO LTD