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Combination field chopper and battery charger

Patent ·
OSTI ID:6771350
A power transistor used in a chopper circuit to control field excitation of a vehicle motor when in a power mode is also used to control charging current from an a-c to d-c rectifier to the vehicle battery when in a battery charging mode. Two isolating diodes and a small high frequency filter inductor are the only elements required in the chopper circuit to reconfigure the circuit for power or charging modes of operation.
DOE Contract Number:
EY-76-C-03-1294
Assignee:
Dept. of Energy
Patent Number(s):
None
OSTI ID:
6771350
Country of Publication:
United States
Language:
English

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