High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Vacuum
Patent
1995-06-07
1997-11-25
Scott, J. R.
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Vacuum
218129, H01H 3366
Patent
active
056915225
ABSTRACT:
An axial magnetic field vacuum interrupter includes a field producing structure associated with only one of two opposing electrode assemblies. The field producing structure is characterized in that when the instantaneous peak arc current is I.sub.m, measured in kiloamperes, and the electrode assemblies are in the open circuit position, the instantaneous component of the axial magnetic filed (AMF) B in the axial direction B.sub.a, measured in milliteslas, imposed on the majority of each electrode contact surface is given by the analytical expression. ##EQU1##
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Schulman Michael Bruce
Slade Paul G.
Eaton Corporation
Moran Martin J.
Scott J. R.
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