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不间断电源

作者：时间：2012-03-05 来源：网络

对于用户来说，三相供电其市电配电和负载配电容易，每一相都承当一部分负载电流，因而中、大功率UPS多采用三相输入/单相输出或三相输入/三相输出的供电方式。

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关键词：电源间断

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