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大多数工业和重型商用变频驱动器都采用三相输入。较小的驱动器可能使用单相线电压。特别是在电动汽车和其他电池供电的应用中，驱动器通常采用直流供电··· 输入（线路）测量 大多数工业和重型商用变频驱动器都采用三相输入。较小的驱动器可能使用 ...

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