H - Electricity – 01 – H
Patent
H - Electricity
01
H
324/21
H01H 69/01 (2006.01) G01R 31/333 (2006.01)
Patent
CA 1093155
ABSTRACT OF THE DISCLOSURE A synthetic test circuit for testing a metal encapsulated high voltage circuit breaker which is grounded on one side and which includes several switching gaps arranged in series. The testing circuit includes a high voltage source for generating a first high voltage and a high current source for stressing the switching gaps being operated during testing and, in addition, a high voltage means for applying an additional high voltage to the encapsulation simultaneously with the application thereto of the first high voltage generated by the high voltage source. The additional high voltage is of opposite polarity to the first voltage and the encapsulation is insulated from ground potential during application thereof.
284461
Pratsch Rudolf
Slamecka Ernst
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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