System for protecting a DC power distribution bus during hot ser

Details System for protecting a DC power distribution bus during hot ser System for protecting a DC power distribution bus during hot ser

1989-11-22

1992-03-31

Deboer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Arc suppression at switching point

361 58, 361 56, H02H 904

Patent

active

051013134

ABSTRACT:
A system for preventing voltage drops when a load circuit is connected and preventing arcing when a load is disconnected from an energized bus includes a current limit device and low impedance shunt that bypasses the current limit device when activated. The system activates the low impedance shunt only after a load capacitance is charged when the load is connected and deactivates the low impedance shunt prior to disconnecting the load.

REFERENCES:
patent: 4127885 (1978-11-01), Adam et al.
patent: 4245270 (1981-01-01), Busky
patent: 4454552 (1984-06-01), Barnes et al.
patent: 4528608 (1985-07-01), Andersson et al.
patent: 4618906 (1986-10-01), Paice et al.

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