Electric-vehicle driving apparatus

Details Electric-vehicle driving apparatus Electric-vehicle driving apparatus

2011-05-24

2011-05-24

Nguyen, Kim T (Department: 3661)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Electric vehicle

Reexamination Certificate

active

07949443

ABSTRACT:
According to one embodiment, there is provided an electric-vehicle driving apparatus which consumes regenerative energy by a brake resistor and can decrease harmonic components generated by a brake-chopper switching circuit. Plural brake-chopper switching circuits are provided in parallel for each inverter. Harmonic components generated by the brake-chopper switching circuits are decreased by changing phases or frequencies of triangular carrier waves of the switching circuits, relatively to each other.

REFERENCES:
patent: 2008/0012513 (2008-01-01), Poyhonen et al.
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patent: 2005-33885 (2005-02-01), None
patent: 2006-67638 (2006-03-01), None
International Preliminary Examination Search Report issued Oct. 21, 2010, in PCT/JP2009/053986, filed Mar. 3, 2009.

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