Method and apparatus for controlling a battery car

Details Method and apparatus for controlling a battery car Method and apparatus for controlling a battery car

1993-05-18

1995-08-29

Peckman, Kristine L.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 15, H02J 700

Patent

active

054463653

ABSTRACT:
A method of controlling a battery car in which a motor is driven by a battery and the battery is charged with regeneration power generated by deceleration torque comprises the steps of charging a large-capacitance capacitor connected in parallel with the battery and the motor while restricting a current flowing from the battery to the large-capacitance capacitor, when the voltage of the large-capacitance capacitor is lower than a first voltage, charging the battery to a preset voltage while restricting a current flowing from the large-capacitance capacitor to the battery, when a charging voltage of the large-capacitance capacitor is increased above a predetermined voltage by the regeneration power, and driving the motor with only the charge stored in the large-capacitance capacitor, when the voltage of the large-capacitance capacitor is at least a second voltage.

REFERENCES:
patent: 4054826 (1977-10-01), Wahlstrom
patent: 4330742 (1982-05-01), Reimers
patent: 4689531 (1987-08-01), Bacon
patent: 4963811 (1990-10-01), Weber
patent: 5053632 (1991-10-01), Suzuki et al.
patent: 5119010 (1992-06-01), Shirata et al.
patent: 5260637 (1993-11-01), Pizzi

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