Control device for electric car

Details Control device for electric car Control device for electric car

1990-08-13

1992-05-12

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

363 39, H02P 540

Patent

active

051131269

ABSTRACT:
A control device for an electric vehicle having a reverse L type first filter circuit composed of a first filter reactor and a first filter capacitor between a current collector and control means for controlling electric motor of the electric vehicle. A second filter circuit composed of a series connected second filter reactor and a second filter capacitor is connected in parallel to the first filter capacitor. The second filter circuit has circuit constants selected such that a composite impedance of the second filter circuit and the first filter capacitor when viewed from the control means becomes small at a specific frequency.

REFERENCES:
patent: 3691439 (1972-09-01), Jensen et al.
patent: 3746963 (1973-07-01), VeNard, II
patent: 4247888 (1981-01-01), Angquist
patent: 4651266 (1987-03-01), Fujioka
Katta et al., "Indaution Motor Pro Puesion System for Transit Cars", Hatachi Review vol. 29, (1980) No., pp. 19-24.

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