Circuit device for unstable power source transient state compens

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific voltage responsive fault sensor

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361115, H02H 324

Patent

active

056616252

ABSTRACT:
A circuit device connected between a driving circuit for an active control component such as an IGBT or MOSFET includes a capacitor which compensates for drops in the power supply voltage to the driving circuit and a voltage limiting cut-off device which cuts-off power to the driving circuit when the power supply voltage drop continues for a period long enough to cause a drop in voltage across the capacitor.

REFERENCES:
patent: 5200878 (1993-04-01), Sasagawa

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