在行波故障测距中,传统的数据采集系统无法适应采集高速变化的暂态电压、电流行波的要求,难以实现故障的精确定位。
In traveling-wave fault locating, the traditional data acquisition system can not record the fast-changed traveling waves of voltage and current for accurate fault locating.
文中讨论了零序电流暂态分量的大小和提取方法,对数字仿真和混合仿真试验数据进行分析,结果表明零序电流暂态分量用于单相接地故障识别是可行性的。
We choose the transient zero current prior to others, for it is bigger than others mostly. This paper discusses the size of transient zero current and the method of analyzing it.
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