Stepping motor excitation

Details Stepping motor excitation Stepping motor excitation

H - Electricity

02

P

318/20

H02P 8/00 (2006.01) H02K 37/04 (2006.01) H02P 25/08 (2006.01)

Patent

CA 1103305

STEPPING MOTOR EXCITATION ABSTRACT OF THE DISCLOSURE A variable reluctance motor wound for two-phase excitation is excited with single phase pulses, whereby the de-energiztion of one phase coil aids in the energiza- tion of the succeeding (and preceding) phase coil, in which a phase coil that is about to be de-energized is energized for a short period with maximum excitation energy power in order that the decay from that maximum power level, upon advance of the stepping motor, induces, by transformer action, an aiding voltage in the next succeeding phase coil so as to increase the speed of excitation of that next succeeding phase coil. -1-

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