Electrical power supply system

Details Electrical power supply system Electrical power supply system

1992-09-10

1995-12-05

Williams, Howard L.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361 2, 361 55, 361 58, H02H 722, H02H 300

Patent

active

054734940

ABSTRACT:
An electrical power supply system includes an electrical power source system connected to a bus bar and a plurality of electric power transmission systems each connected via circuit breakers to the bus bar. The supply system has overvoltage suppression equipments each installed between the transmission system and the ground. The overvoltage suppression equipment includes a switching device and an impedance connected to the switching device. The switching device in a sound transmission system is closed when the circuit breaker operates in other faulty transmission system, thereby an overvoltage being occurred on the sound system is effectively suppressed.

REFERENCES:
patent: 3660721 (1972-05-01), Baird
patent: 4485422 (1984-11-01), Takanashi
patent: 5124872 (1992-06-01), Pham et al.

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