Driving system for electric vehicles having a plurality of batte

Details Driving system for electric vehicles having a plurality of batte Driving system for electric vehicles having a plurality of batte

1998-08-24

1999-12-07

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180 658, B60K 100

Patent

active

059988843

ABSTRACT:
In a driving system for vehicles having a high voltage main battery for a vehicle drive motor and a low voltage accessory battery for accessory devices such as a radio receiver, a three-phase inverter circuit for driving the vehicle drive motor and a DC-DC converter are connected to the main battery through electromagnetically shielded high voltage power lines. The DC-DC converter supplies a low voltage electric power to a driver circuit for switching on and off the inverter circuit. Switching noise voltages caused by switching operations in the inverter circuit, the driver circuit and the DC-DC converter are restricted from being superimposed on low voltage power lines connecting the accessory battery to the accessory devices.

REFERENCES:
patent: 5527637 (1996-06-01), Nakazawa et al.
patent: 5583751 (1996-12-01), Nakazawa et al.
patent: 5619107 (1997-04-01), Shinohara et al.
patent: 5698905 (1997-12-01), Ruthlein et al.
patent: 5796175 (1998-08-01), Iton et al.
patent: 5883481 (1999-03-01), Ito et al.

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