earthed neutral system

基本解释

Based on equivalent model of PT, this paper analyzes the reduced equivalent circuits to the power system with earthed and non-earthed neutral respectively.
分别对中性点直接接地系统和不直接接地系统的铁磁谐振现象进行分析，从理论上证明了PT的铁损对铁磁谐振的阻尼作用。
Distribution system are universally the non-solidly earthed networks, and the single-phase to earth fault happens most frequently in the power system with ungrounded neutral.
正确接地故障选线是小电流接地系统长期存在的难题，通常采用的单一故障选线方法只对部分故障信息进行处理，选线的可靠性不高。
In the article the author analysises and discusses earthed neutral system. Methods of electric resistance and autotracking arcextinguishing coil in neutral point are discussed.
本文就城网改造中，配电网中性点运行方式问题进行了分析、探讨，强调采用中性点经电阻和自动跟踪补偿消弧线圈接地方式。