Chopping power supply for a bifilar stepping motor

Details Chopping power supply for a bifilar stepping motor Chopping power supply for a bifilar stepping motor

1978-05-25

1980-06-17

Rubinson, Gene Z.

Electricity: motive power systems

Open-loop stepping motor control systems

G05B 1940

Patent

active

042086230

ABSTRACT:
A chopping power supply controls power to the bifilar winding phases of a stepping motor with the power being applied to one winding until a selectable value of current flows and is then removed for a fixed duration to have induced current in the other winding be directed back to the power source while still producing usable magnetic flux and in which each phase has its own chopper circuit with both being operated at super-audible rates at least during standstill operation.

REFERENCES:
patent: 3812413 (1974-05-01), Keidl
patent: 3824440 (1974-07-01), McIntosh
patent: 3826966 (1974-07-01), Nagasska et al.
patent: 4127801 (1978-11-01), Leenhouts

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