Step motor circuit

Details Step motor circuit Step motor circuit

1979-05-23

1981-07-14

Dobeck, B.

Electricity: motive power systems

Open-loop stepping motor control systems

318138, G05B 1940

Patent

active

042789265

ABSTRACT:
A circuit which effectively prevents voltage spikes caused by leakage inductance of the step motor windings without otherwise interfering with the overall operation of the step motor. The circuit incorporates two windings between a common point and the positive supply and two other windings between the common point and the negative supply. Voltage spikes are suppressed by diodes connecting directly from the ends of each of the windings to the supply terminals oriented to the opposite end of the respective windings.

REFERENCES:
patent: 3573593 (1971-04-01), Beery
patent: 4121144 (1978-10-01), Leenhouts
patent: 4127801 (1978-11-01), Leenhouts
patent: 4140955 (1979-02-01), Drabing

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