Power supply apparatus and method for an electric vehicle

Details Power supply apparatus and method for an electric vehicle Power supply apparatus and method for an electric vehicle

1995-06-07

1997-06-03

Cabeca, John W.

Electricity: motive power systems

Battery-fed motor systems

318432, 363 56, 323908, H02P 100

Patent

active

056358040

ABSTRACT:
A field-effect transistor incorporates a diode which is disposed between a battery power source and an inverter. A rush-current suppressive starting circuit is provided in a stage anterior to the field-effect transistor. The transistor is shifted to its conducting state while the on-resistance of the transistor is gradually lowered to thereby limit a charging current to a power smoothing capacitor. In an off-state of a main switch, a charge stored in the current smoothing capacitor is released therefrom via a stabilized power circuit and a controller which is a power load to the circuit.

REFERENCES:
patent: 3818272 (1974-06-01), Rich
patent: 3935527 (1976-01-01), Michelet et al.
patent: 4052659 (1977-10-01), Fletcher et al.
patent: 5291106 (1994-03-01), Murty et al.

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