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CHANGEOVER DEVICE FOR VARIABLE-VOLTAGE TO VARIABLE-FREQUENCY CONVERTER
CHANGEOVER DEVICE FOR VARIABLE-VOLTAGE TO VARIABLE-FREQUENCY CONVERTER
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机译:可变电压到可变频率转换器的转换装置
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摘要
PURPOSE: To provide a changeover device for a variable-voltage to variable- frequency converter, which can improve cost effectiveness without needing an auxiliary variable-voltage to variable-frequency converter. ;CONSTITUTION: First and second variable-voltage to variable-frequency converters 2a and 2b and first and second switches 3a and 3b for supplying loads 5 with power are connected with each other, and also the first and second switches 3a and 3b are connected to a commercial power source 1.;COPYRIGHT: (C)1994,JPO&Japio
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