Thyristor pulse controller for plural loads

Details Thyristor pulse controller for plural loads Thyristor pulse controller for plural loads

1977-01-24

1978-08-29

Dobeck, B.

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318 98, 318139, 180 65, H03K 300

Patent

active

041106687

ABSTRACT:
A pulse controller for controlling the current supply to a plurality of d.c. loads through a respective main thyristor for each load is provided with digital circuitry operable to maintain the mark-space ratios of voltage applied to the loads in a relationship to one another which is set by a differential control circuit while the mark-space ratios are simultaneously varied in response to a drive control circuit. The controller may be used to control two d.c. motors respectively driving right-hand and left-hand traction wheels of a battery-electric vehicle, to provide differential drive when the vehicle negotiates a curve.

REFERENCES:
patent: 3596154 (1969-02-01), Gurwicz et al.
patent: 3870935 (1975-03-01), Abels et al.
patent: 3970160 (1976-07-01), Nowick
patent: 4028597 (1977-06-01), Delaney et al.
patent: 4032825 (1977-06-01), Klimo

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