Title :
New developments of vacuum interrupters based on RMF and AMF technologies
Author :
Fink, Harald ; Gentsch, Dietmar ; Heimbach, Markus ; Pilsinger, Günter ; Shang, Wenkai
Author_Institution :
ABB Calor Emag Schaltanlagen AG, Ratingen, Germany
Abstract :
New developments of vacuum interrupters based on radial magnetic field (RMF) contacts and axial magnetic field (AMF) contacts are presented. Important basis of the design of optimised contact constructions is the electromagnetic field calculation. In the first part of the paper the optimisations of AMF and RMF contact systems by means of the field simulation are presented. In the second part test results are shown which indicate the high current switching performance of both systems. The interrupting capability of both systems has been verified by the experiments up to 12 kV/63 kA and 36 kV/40 kA
Keywords :
electrical contacts; electromagnetic fields; magnetic fields; switchgear testing; vacuum interrupters; 12 kV; 36 kV; 40 kA; 63 kA; axial magnetic field contacts; electromagnetic field calculation; high current switching performance; interrupting capability; optimised contact constructions; radial magnetic field contacts; short circuit tests; vacuum interrupters; Contacts; Eddy currents; Electromagnetic fields; Interrupters; Magnetic fields; Surface discharges; System testing; Vacuum arcs; Vacuum systems; Vacuum technology;
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.1998.738633
