Electricity: electrical systems and devices – Safety and protection of systems and devices – Arc suppression at switching point
Patent
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.
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patent: 4289941 (1981-09-01), Cannon
Freedman William
General Electric Company
Salce Patrick R.
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