Through contrast analysis, finds the reason of not allowed direct ground connection for transformer under the shaft.

并通过对比，找出井下变压器中性点不允许直接接地的原因。

youdao

Through contrast analysis, finds the reason of not allowed direct ground connection for transformer under the shaft.

并通过对比，找出井下变压器中性点不允许直接接地的原因。

youdao