Title :
Diagnostic methods for vacuum state estimation
Author :
Damstra, G.C. ; Merck, W.F.H. ; Nos, P.J. ; Bouwmeester, C.E.
Author_Institution :
Eindhoven Univ. of Technol., Netherlands
Abstract :
The vacuum state estimation of vacuum circuit breakers after long periods of operational life is gaining more attention both from users and manufacturers. A review of relevant literature on this subject learned that many methods have been proposed and investigated with quite unsatisfactory performance. In this paper, a three-phase (200 A) test device with a 10 kV recovery voltage fed from a low voltage supply is described including the results of field tests
Keywords :
circuit-breaking arcs; insulation testing; state estimation; switchgear testing; vacuum arcs; vacuum circuit breakers; 10 kV; 200 A; diagnostic methods; low voltage supply; operational life; recovery voltage; three-phase test device; vacuum circuit breakers; vacuum state estimation; Circuit breakers; Circuit testing; Current measurement; Dielectrics; Hafnium; Magnetic field measurement; Manufacturing; Noise measurement; State estimation; Voltage;
Conference_Titel :
Discharges and Electrical Insulation in Vacuum, 1998. Proceedings ISDEIV. XVIIIth International Symposium on
Conference_Location :
Eindhoven
Print_ISBN :
0-7803-3953-3
DOI :
10.1109/DEIV.1998.738629
