Chopper motor controller having pulse-by-pulse sensing of pluggi

Details Chopper motor controller having pulse-by-pulse sensing of pluggi Chopper motor controller having pulse-by-pulse sensing of pluggi

1975-12-29

1977-03-08

Rubinson, Gene Z.

Electricity: motive power systems

Braking

'plugging' or application of reverse power to motor

318139, 318341, H02P 310

Patent

active

040114929

ABSTRACT:
A pulse width modulation chopper controller for a D.C. traction motor has plug sensing means which monitors the voltage across the motor armature on a pulse-by-pulse basis and is responsive, only when the power switch is turned on, to the motor acting as a generator to limit the "on-time" of the power switch before current of high magnitude can flow in the motor.

REFERENCES:
patent: 3188545 (1965-06-01), Sheheen
patent: 3828235 (1974-08-01), Price et al.
patent: 3855520 (1974-12-01), Stich
patent: 3872367 (1975-03-01), Kuriyama et al.
patent: 3958163 (1976-04-01), Clark

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