Active discharge circuit for charged capacitors

Details Active discharge circuit for charged capacitors Active discharge circuit for charged capacitors

1994-10-26

1996-06-04

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 13, H02J 700, H01M 1044, H01M 1046

Patent

active

055236650

ABSTRACT:
An active discharge circuit provides for the discharge of filter capacitors in a power supply in the absence of a.c. line power. A detector provides a signal responsive to the removal of the pulsating d.c. charging voltage from the capacitors and a switch responsive to the detector signal closes, coupling an energy dissipating element, in the form of a resistor or a transistor, across the filter capacitor to dissipate its stored energy.

REFERENCES:
patent: 4536693 (1985-08-01), Marek

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