多电平中压逆变器

Multi-level medium-voltage inverter

Abstract

A multi-level medium-voltage inverter that receives three-phase power and outputs a three-phase voltage to a three-phase motor, includes: a plurality of unit power cells connected in series to output a single phase voltage, individual unit power cells each having a phase voltage forming a single level to configure multiple levels; and a module-type phase shift transformer configured to convert the three-phase power and applying the converted power to three unit power cells constituting one level, wherein the module-type phase shift transformer includes a plurality of modules.
本发明提供一种多电平中压逆变器,接收三相电力且向三相电动机输出三相电压,所述多电平中压逆变器包括:多个串联连接的单位功率单元,用于输出单相电压,单个单位功率单元各自具有形成单个电平的相位电压,用于配置多个电平;以及模块式移相变压器,配置为变换三相电力,并且将变换后的电力施加于构成一个电平的三个单位功率单元;其中,所述模块式移相变压器包括多个模块。

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Patent Citations (3)

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    CN-102460932-AMay 16, 2012三菱电机株式会社电力变换装置
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