Protection circuit for voltage regulator of vehicle mounted gene

Details Protection circuit for voltage regulator of vehicle mounted gene Protection circuit for voltage regulator of vehicle mounted gene

1984-03-23

1986-02-11

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Voltage regulator protective circuits

322 28, H02H 3093

Patent

active

045701997

ABSTRACT:
An over current of an output transistor circuit of a voltage regulation of a vehicle mounted charging generator due to a short-circuit of a field winding thereof is detected and a capacitor is charged when the detected current is larger than a predetermined value. The voltage of the capacitor is compared with a reference voltage and the output transistor circuit is cut off during the voltage of the capacitor is larger than the reference voltage, whereby a breakdown of the output transistor circuit is prevented.

REFERENCES:
patent: 3723817 (1973-03-01), Leonard et al.
patent: 4152744 (1979-05-01), Pang
patent: 4360773 (1982-11-01), Voss
patent: 4401937 (1983-08-01), Morishita
patent: 4477766 (1984-10-01), Akita et al.

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