Regenerative braking controller for D.C. motor

Details Regenerative braking controller for D.C. motor Regenerative braking controller for D.C. motor

1974-06-28

1976-10-05

Dobeck, B.

Electricity: motive power systems

Braking

Dynamic braking

318379, H02P 506

Patent

active

039847438

ABSTRACT:
Regenerative braking controller for controlling a direct current motor adapted to drive a railway tramcar, an electric automobile or the like, comprises a direct current power supply, a series circuit composed of the armature and the field coil of the motor and a smoothing reactor, a chopper circuit connected in parallel with the series circuit and a diode inserted between the parallel circuit and the direct current power supply. The apparatus is characterized by an excitation circuit for exciting the field of coil of the d.c. motor with the voltage of the d.c. power supply so that a current may flow to the d.c. source due to voltage generated by the d.c. motor, and for supplying a power necessary for the operation of the chopper circuit from the d.c. source at the time of a low regenerating voltage of the d.c. motor.

REFERENCES:
patent: 2818542 (1957-12-01), Linsley et al.
patent: 3293525 (1966-11-01), Haupt
patent: 3633084 (1972-01-01), Rakes
patent: 3866098 (1975-02-01), Weiser

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