Voltage-dividing DC circuit breaker and method

Details Voltage-dividing DC circuit breaker and method Voltage-dividing DC circuit breaker and method

1975-12-08

1977-04-05

Hohauser, Herman

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361 13, H01H 3300

Patent

active

RE0291722

ABSTRACT:
The voltage dividing DC circuit breaker comprises serially connected high voltage and low voltage switches to carry load current. Serial capacitors are connected in parallel thereto and a crossed field switching device is connected in parallel to the low voltage switch. When the low voltage and high voltage switches are opened, current is forced through the crossed field switching device. When the crossed field switching device is turned off, the arcing high voltage switch is forced below its chopping current. The open circuit voltage is divided across the capacitors.

REFERENCES:
patent: 3383519 (1968-05-01), Colclaser, Jr. et al.
patent: 3522472 (1970-08-01), Breitholtz
patent: 3777179 (1973-12-01), Lutz
patent: 3781606 (1973-12-01), Long

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