Electronic power supply circuit for a series connected DC motor

Details Electronic power supply circuit for a series connected DC motor Electronic power supply circuit for a series connected DC motor

1979-12-19

1981-06-23

Weldon, Ulysses

Electricity: motive power systems

Braking

Dynamic braking

318375, 318362, 318370, 318273, H02P 314

Patent

active

042753414

ABSTRACT:
The circuit effects a changeover from the traction configuration to the braking configuration or vice-versa in less than one millisecond. It includes the field winding (3) of the motor (1) disposed between a traction thyristor (12) and a main chopper (13) followed by a traction diode (14) and the armature of the motor, the field winding being in parallel with a free-wheeling diode (D5) and a shunt thyristor (THS).

REFERENCES:
patent: 3188547 (1965-06-01), Zelina
patent: 3309594 (1967-03-01), Belt et al.
patent: 3826962 (1974-07-01), Morton et al.
patent: 3828233 (1974-08-01), Brylard
patent: 3973176 (1976-08-01), Rohsler

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