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关于UPS隔离变压器问题

2025-03-15 02:09:59

推荐回答（1个）

回答1：

UPS主路输入3根火线即可，只有维纳整流要A、B、C、N，普通的相控或高频PFC整流都只要3根火线。输出端隔离变压器一般是DY变压器，A、B、C进，A、B、C、N出，可以把出来的N和PE接一起，你说的问题就解决了。
DCS要求零地电压为0，其实国标（GB 50174-2008）要求是2V以下，零地电压高可能会影响数据传输，使误码率升高。

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