Ultra high-speed circuit breaker with galvanic isolation

Details Ultra high-speed circuit breaker with galvanic isolation Ultra high-speed circuit breaker with galvanic isolation

1990-09-10

1992-07-21

Stephan, Steven

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361102, 361114, 361101, H02H 300

Patent

active

051328658

ABSTRACT:
A circuit breaker comprises a static switch electrically connected in series with a disconnecting switch having an operating mechanism with a handle to close and open a system of main contacts. A voltage sensor ocmprises an electromagnet with a moving core capable of occupying an active locking position and an inactive unlocking position of the mechanism, respectively in the on state and in the off state of the switch. Opening of the disconnecting switch is inhibited if voltage is present on the output terminals.

REFERENCES:
patent: Re33314 (1990-08-01), Cowles
patent: 3058034 (1962-10-01), Sandin
patent: 3058036 (1962-10-01), Renther et al.
patent: 3611043 (1971-10-01), Steen
patent: 3614464 (1971-10-01), Chumakov
patent: 4853822 (1989-08-01), Kamijo
patent: 4956738 (1990-09-01), Defosse et al.

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