Title :
Development of New Distance Relays to Cope with Natural Frequency Transients in UHV/EHV Transmission Systems
Author :
Kudo, Hiroyuki ; Watanabe, Atsumi ; Seo, Kazuo ; Ohura, Yoshifumi ; Matsuzawa, Kunio
Author_Institution :
Hitachi, Ltd.
Abstract :
This paper describes distance relay characteristics to natural frequency transients caused by a fault. Discussions include response considerations and characteristics of conventional relays and newly developed distance relays with distorted inputs.
Keywords :
Capacitance; Circuit faults; Digital relays; Frequency; Inductance; Power harmonic filters; Power system harmonics; Power system relaying; Power system transients; Protective relaying;
Journal_Title :
Power Apparatus and Systems, IEEE Transactions on
DOI :
10.1109/TPAS.1985.318904
