The article introduces voltage unbalance of neutral non-groundingsystem, analyzes the cause of voltage unbalance. It is valuable on fault analysis in practice.
The way of neutral grounding in 380V LV distribution system was introduced and the characteristics of grounded and non grounded systems were analyzed.
本文介绍了380V低压配电系统中性点的接地方式,分析了接地与不接地系统特性。
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The grounding line selector SL-11 has passed field tests of single-phase-grounding line selection in non-solidly groundingsystem, which is based on current transient traveling wave.