Title :
Very fast transients in 1000 kV HSGS grounding circuit
Author :
Yamagata, Y. ; Tanaka, K. ; Terasawa, Y. ; Aoyagi, H. ; Nojima, K. ; Hioki, I. ; Murase, H. ; Yokota, T.
Author_Institution :
Tokyo Electr. Power Co. Inc., Japan
Abstract :
Very fast transients (VFTs) in a grounding circuit of a 1000 kV class high speed grounding switch (HSGS) were investigated. Referring to the VFT voltage levels estimated by the investigation, the structure of their grounding circuit was designed. The suitability of the design was confirmed by a low voltage test and a high voltage test, which were carried out using the HSGS for a field test
Keywords :
earthing; power system transients; switchgear testing; 1000 kV; VFT voltage levels; field test; grounding circuit; high speed grounding switch; high voltage test; low voltage test; very fast transients; Circuit faults; Circuit testing; Conductors; Distributed parameter circuits; Flashover; Grounding; Insulation; Power system transients; Switches; Voltage;
Conference_Titel :
Energy Management and Power Delivery, 1995. Proceedings of EMPD '95., 1995 International Conference on
Print_ISBN :
0-7803-2981-3
DOI :
10.1109/EMPD.1995.500784
