Converter circuit of battery charger for electric vehicle

Details Converter circuit of battery charger for electric vehicle Converter circuit of battery charger for electric vehicle

1998-04-08

1999-08-17

Riley, Shawn

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 98, 363132, H02M 3335

Patent

active

059402806

ABSTRACT:
A battery charger converter circuit is disclosed in which a half-bridge rectifier circuit formed from two diodes, a half-bridge circuit formed from two switching elements, and a series circuit formed from two capacitors are connected at either end, respectively, thereof in parallel to each other, a boosting reactor being provided at the AC side of the half-bridge rectifier circuit; a primary circuit of the converter, including a primary coil of a high-frequency transformer, connected between a common point of connection between the switching elements and a common point of connection between the two capacitors, and a control circuit for the two switching elements; and a secondary circuit of the converter, including the secondary coil of the high-frequency transformer, a full-bridge rectifier circuit connected in parallel to the secondary coil and a smoothing capacitor; a high-frequency power generated by the primary circuit of the converter being rectified by the secondary circuit and charged into cells.

REFERENCES:
patent: 4025850 (1977-05-01), Spiteri
patent: 5592367 (1997-01-01), Sugimori et al.
"Contactless Charging and Communication for Electric Vehicles", IEEE Industry Applications Magazine, Nov./Dec. 1995, pp. 4-11.

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