Electricity: single generator systems – With signals – indicators – recorders – testing – etc.
Patent
1986-10-28
1988-07-05
Salce, Patrick R.
Electricity: single generator systems
With signals, indicators, recorders, testing, etc.
322 28, 320 64, 361 21, 361 91, H02P 900
Patent
active
047557370
ABSTRACT:
A protection circuit for use in a vehicle mounted generator 1 equipped with a voltage regulator 3 having an output transistor circuit 306 connected to a field winding 102 of the generator and an overvoltage alarm device 4 having an overvoltage detector, comprises diodes 410, 411 for selectively connecting an output of the overvoltage detector to the output transistor circuit so that the transistor circuit is turned off only when an overvoltage caused by the generator which becomes out of control of the voltage regulator due to disconnection of a generator output to a battery to be charged thereby and/or of the battery to the voltage regulator is detected to terminate a power supply to the field winding until the output voltage of the generator reduces to a preset level.
REFERENCES:
patent: 3492559 (1970-01-01), Harris
patent: 4143313 (1979-03-01), Arendt
patent: 4262243 (1981-04-01), Mori et al.
patent: 4280087 (1981-07-01), Kasiewicz
Iwatani Shiro
Komurasaki Keiichi
Ault Anita M.
Mitsubishi Denki & Kabushiki Kaisha
Salce Patrick R.
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