Title :
Application of 800-kV SF6 dead tank circuit breaker with transmission line surge arrester to control switching transient overvoltages
Author :
Musa, Yasin I. ; Keri, Albert J F ; Halladay, James A. ; Jagtiani, Arjan S. ; Mandeville, John D. ; Johnnerfelt, Bengt ; Stenström, Lennart ; Khan, Aftab H. ; Freeman, Willie B.
Author_Institution :
American Electr. Power, Gahanna, OH, USA
fDate :
10/1/2002 12:00:00 AM
Abstract :
An 800-kV metal oxide transmission line surge arrester (TLA) has been developed, installed and tested on the AEP 765-kV Marysville-Kammer transmission line. The purpose of this TLA is to pave the way for the development, construction and application of an 800-kV SF6 dead tank circuit breaker without closing resistors and free standing current transformers at American Electric Power´s (AEP) 800-kV Orange station. Eight hundred kilovolts is the maximum design operating voltage, and 765 kV is the nominal operating voltage. Successful field test results of the TLAs ability to limit switching overvoltages emanating from circuit breaker operation to below the transmission line switching withstand are given. In addition, successful test results of the 800-kV dead tank circuit breaker design dielectric test are given in this paper.
Keywords :
SF6 insulation; arresters; gas blast circuit breakers; overvoltage protection; power transmission lines; power transmission protection; switchgear testing; switching transients; 765 kV; 800 kV; SF6 dead tank circuit breaker; USA; closing resistors; design operating voltage; dielectric test; free standing current transformers; nominal operating voltage; switching transient overvoltages control; transmission line surge arrester; transmission line switching withstand; Arresters; Circuit breakers; Circuit testing; Distributed parameter circuits; Power system transients; Power transmission lines; Resistors; Sulfur hexafluoride; Surges; Switching circuits;
Journal_Title :
Power Delivery, IEEE Transactions on
DOI :
10.1109/TPWRD.2002.803698
