H - Electricity – 02 – H
Patent
H - Electricity
02
H
317/11
H02H 3/08 (2006.01) H01H 39/00 (2006.01)
Patent
CA 1110324
ABSTRACT OF THE DISCLOSURE An improved high-voltage, single-shot circuit- protector device, having fuse-like characteristics, and having a chemical operating mechanism, is provided to protect, at low-cost transmission-line circuits. The device contemplates the use of a single-pressure puffer- interrupter having a driving piston attached to the movable contact structure and operated by chemical operator having an explosive element. Also, the aforesaid device is self- contained and self-operable, utilizing a current-transformer, which triggers a self-contained static control circuit, the latter effecting the "firing" of the explosive element of the chemical operator to thereby generate gas pressure very quickly, and thus effect opening operation of the contact- operating piston and the attached movable contact structure. For repetitive use, a manual reset lever is provided, being capable of manual hook-stick operation, and the chemical operator element is replaceable, being also capable of manual hook-stick replacement by service personnel. -1-
315282
Astleford John J. Jr.
Swoish Raymond F.
Mcconnell And Fox
Westinghouse Electric Corporation
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