Fault detector for an alternator

Details Fault detector for an alternator Fault detector for an alternator

1985-02-11

1986-09-23

Hickey, R. J.

Electricity: single generator systems

With signals, indicators, recorders, testing, etc.

322 29, 361 21, H02J 714

Patent

active

046138080

ABSTRACT:
An electronic circuit is disclosed for detecting a non-operating or fault condition in an alternator. The disclosed embodiment senses the alternator's unrectified output voltage and generates a control signal when the alternator's output voltage fails to exceed a threshold. That threshold is selected to be outside the range of any static voltage the alternator might generate as a result of leakage currents therein. Further circuitry preferably responds to the control signal by generating an indication of a non-operating condition in the alternator.

REFERENCES:
patent: 4164705 (1979-08-01), Whitney et al.
patent: 4242674 (1980-12-01), Wheeler
patent: 4316134 (1982-02-01), Balan et al.
patent: 4379990 (1983-04-01), Sievers et al.

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