Based on the symmetry component theory, a method of the motor protection is presented by measuring positive, negative and zerosequencecurrentcomponent.
基于对称分量法理论,提出了基于检测正序、负序、零序电流分量的电动机保护方法。
2
This paper also proposed a new fault locating method based on either the active component increment or the amplitude increment of zero-sequencecurrent.
提出了零序电流有功增量和零序电流幅值增量作为判据的故障点定位方法。
3
Two methods to calculate the zerosequencecurrent are deduced based on the symmetrical component method.