Electric-car controller

Details Electric-car controller Electric-car controller

1991-04-03

1992-08-04

Ro, Bentsu

Electricity: motive power systems

Battery-fed motor systems

318257, 318268, 388831, B60L 1508, H02P 729

Patent

active

051362198

ABSTRACT:
The present invention is directed to an electric-car controller comprising a chopper for controlling the speed of a DC motor, a by-pass contactor for applying a DC source voltage directly to the DC motor, means for detecting that an acceleration command has reached a certain specified value or above, means for detecting that the acceleration of the car has dropped to a certain specified value or below, and means for turning on the by-pass contactor when the acceleration command has reached the certain specified value or above and the acceleration of the car has dropped to the certain specified value or below.

REFERENCES:
patent: 3764870 (1973-10-01), Morton et al.
patent: 3818291 (1974-06-01), Miyake
patent: 3936707 (1976-02-01), Yoshida et al.
patent: 4171532 (1979-10-01), Sloan et al.
patent: 4195254 (1980-03-01), Gurwicz et al.
patent: 4345190 (1982-08-01), Horiuchi et al.
patent: 4508999 (1985-04-01), Melocik et al.
patent: 4511947 (1985-04-01), Melocik

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