Electricity: single generator systems – Automatic control of generator or driving means – Voltage of generator or circuit supplied
Patent
1996-04-29
1998-02-17
Stephan, Steven L.
Electricity: single generator systems
Automatic control of generator or driving means
Voltage of generator or circuit supplied
322 33, H02P 900
Patent
active
057194874
ABSTRACT:
An output controlling apparatus for a vehicle generator includes MOSFETs for full-wave rectification of a voltage output by the generator, a MOSFET for turning the flow of a field current on and off and a voltage controller for controlling the MOSFETs to sustain the voltage of a battery at a fixed value. In this configuration, the thermal resistance between the MOSFETs is set at a value smaller than the thermal resistance between the voltage controller and the MOSFETs. In addition, the MOSFETs are fixed on a common good heat conductive substrate to reduce the thermal resistance between the MOSFETs. In this way, the accuracy of the voltage controller is prevented from deteriorating and, at the same time, the maximum temperature of the MOSFETs can be reduced.
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Sato Hirohide
Tsutsui Toshio
Nippondenso Co. Ltd.
Ponomarenko Nicholas
Stephan Steven L.
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