Indexed by:
Abstract:
谐振接地系统不同类型单相接地故障的暂态过程差异性较大,难有普适的暂态选线方法。分析谐振接地系统在三种典型故障条件下的暂态特征,将单相接地故障类型分为强接地故障、小角度接地故障和弱接地故障;定义频谱能量比例因子P、暂态因子T和Hilbert时频熵S等故障特征量,并采用支持向量机对故障进行分类。对不同类型的故障构造相应的选线判据,实现有针对性的接地选线。仿真结果表明,该选线方法能适应各种故障条件及影响因素,具有选线准确、裕度高等特点。
Keyword:
Reprint 's Address:
Email:
Version:
Source :
电工电能新技术
ISSN: 1003-3076
CN: 11-2283/TM
Year: 2014
Issue: 9
Page: 68-73,80
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 4
Affiliated Colleges: