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POWER CONVERSION SYSTEM AND METHOD FOR PRE-CHARGING DC-BUS CAPACITORS THEREIN
POWER CONVERSION SYSTEM AND METHOD FOR PRE-CHARGING DC-BUS CAPACITORS THEREIN
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机译:其中的直流母线电容器预充电的功率转换系统和方法
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摘要
The present invention discloses a power conversion system and a method for pre-charging DC-Bus capacitors therein. The power conversion system comprises a plurality of power modules, each including a power input end; a charging input end; a power output end; at least one power conversion unit, each of the power conversion unit including at least one DC-Bus capacitor and being electrically connected to the power input end and the power output end; and a pre-charging unit electrically connected to the charging input end for receiving direct current and electrically connected to the DC-Bus capacitor for pre-charging the DC-Bus capacitor. The power input ends of the plurality of power modules are connected in series and then electrically connected to an AC power source, and the power output ends of the plurality of power modules are connected in parallel.
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