Electric circuit breaker utilizing semiconductor diodes for faci

Details Electric circuit breaker utilizing semiconductor diodes for faci Electric circuit breaker utilizing semiconductor diodes for faci

1981-11-23

1984-07-10

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361 8, 361 13, 361 11, 307134, H02H 722

Patent

active

044596294

ABSTRACT:
This electric circuit breaker comprises a main switch and two shunting paths respectively paralleling said main switch, each shunting path containing the series combination of an isolating switch and a diode assembly. The diode assemblies are connected in inverse-parallel relationship with each other. All of the switches are closed when the circuit breaker is closed, and during this interval substantially all current through the circuit breaker is through the main switch. During a circuit-interrupting operation, the three switches are opened. First, the main switch is opened to divert current into one of the shunting paths, and then the isolating switches are opened to complete the interrupting operation with assistance from the diode assemblies.

REFERENCES:
patent: 1669493 (1928-05-01), Slepian
patent: 1819207 (1931-08-01), Slepian
patent: 3018414 (1962-01-01), Albright
patent: 3293496 (1966-12-01), Induni
patent: 3395316 (1968-07-01), Denes
patent: 3466503 (1969-09-01), Goldberg
patent: 3611031 (1971-10-01), Lutz
patent: 3864604 (1975-02-01), Pfanzelt
patent: 4209814 (1980-06-01), Garzon
patent: 4289941 (1981-09-01), Cannon

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