补偿电网运行方式的模式识别及其在自动调谐系统中的应用

Operational Mode Identification of Compensated Power Network and Its Application in Automatic Resonance-adjusting System

通过对补偿电网"虚幻接地"、断线故障和单相接地故障3种运行方式的分析和比较,提出了以等值阻抗和系统不对称电压来识别这3种运行方式,并给出判断依据和基于晶闸管投切电容式消弧线圈的补偿电网运行方式的识别方案。

By analyzing and comparing three operational modes of compensated power network, i. e. virtual grounding, break-up-line fault and single-phase earth fault, the use of equivalent impedance and asymmetric system voltage is suggested for identifying the three modes. The identifying criterion is brought forward, and a scheme for identifying the operational modes of compensated power network is put forward based on the arc-extinction coil with thyristor series capacitor （TSC）.