H - Electricity – 01 – H
Patent
H - Electricity
01
H
323/30
H01H 33/59 (2006.01) H01H 9/54 (2006.01) H01H 33/16 (2006.01)
Patent
CA 1294327
ABSTRACT OF THE DISCLOSURE A reactor switch has a switching point which is arranged between a high-voltage reactor and a high- voltage line. When this switch is being switched off, the occurrence of arc-back oscillations with excessively high rate voltage changes is avoided in a simple and reliable manner. This is achieved in that the switching point is connected in parallel with a voltage-dependent resistor. This resistor, which preferably contains a metal oxide such as zinc oxide, has a current/voltage characteristic which limits the recurring voltage across the switching point in such a manner that the skewing rate of the voltage of a high-frequency arc-back oscillation occurring during an arc-back of the switch- ing point always remains below a predetermined value.
494201
Limited Bbc Brown Boveri & Company
Swabey Ogilvy Renault
LandOfFree
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