Power supply incorporating circuit breaker and fault detection c

Details Power supply incorporating circuit breaker and fault detection c Power supply incorporating circuit breaker and fault detection c

1990-07-16

1991-05-14

Wong, Peter S.

Electricity: electrical systems and devices

Control circuits for electromagnetic devices

Systems for magnetizing, demagnetizing, or controlling the...

361 16, 361 47, 363 53, 363 87, H02H 708, H02H 7125

Patent

active

050161350

ABSTRACT:
A power supply incorporating a fault detection circuit controlling a circuit breaker is described. The power supply is isolated from relatively large applied DC voltages. This isolation is provided by a coupling capacitor in each of the line leads. The tripping energy for the circuit breaker can be provided either directly from the full wave rectifier output, or directly from the line lead or leads. In the case of the former, a reservoir capacitor may be used for storage of charge for tripping of the circuit breaker.

REFERENCES:
patent: 3379939 (1968-04-01), Obenhaus
patent: 3671815 (1972-06-01), Eberle et al.
patent: 4042964 (1977-08-01), Nurnberg et al.
patent: 4068276 (1978-01-01), Pintell
patent: 4258403 (1981-03-01), Shimp
patent: 4412278 (1983-10-01), Cambier et al.
patent: 4584623 (1986-04-01), Bello et al.
patent: 4598331 (1986-07-01), Legatti
patent: 4734817 (1988-03-01), Baker et al.

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