Fault indicators in transmission and distribution systems

被引:21
|
作者
Tang, Y [1 ]
Wang, HF [1 ]
Aggarwal, RK [1 ]
Johns, AT [1 ]
机构
[1] Univ Bath, Sch Elect & Elect Engn, Bath BA2 7AY, Avon, England
来源
DRPT2000: INTERNATIONAL CONFERENCE ON ELECTRIC UTILITY DEREGULATION AND RESTRUCTURING AND POWER TECHNOLOGIES, PROCEEDINGS | 2000年
关键词
fault indicator; fault location; fault detection; transmission line protection; distribution system; high-frequency signals; arcing faults;
D O I
10.1109/DRPT.2000.855670
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Fault location techniques can be classified under three categories: (1) those based on fundamental frequency currents and voltages, (2) those based on travelling wave and high frequency components, and (3) those based on knowledge-based approaches. Fault indicators can be installed either in substation or on pole/tower along the transmission line. This paper reviews the fault indicator applications both in transmission and distribution systems. Principles, merits and demerits of each fault location technique are discussed. Finally, this paper suggestes an Advanced Fault Indicator Based on Fault Generated High Frequency Noise Signal (FI-HF), which is mounted between earth wire and tower. Fault generated high frequency noise signal is captured by a special designed "earth trap" and stack tuner.
引用
收藏
页码:238 / 243
页数:6
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