11.4.4. Drive Circuits The stepping motor is normally operated from a dc power supply obtained by ac rectification. The phase windings are energized with square-wave currents by drive circuits in which power transistors operate as solid -stateanbsp;...
|Title||:||Power Electronic Control of AC Motors|
|Author||:||J. M. D. Murphy, F. G. Turnbull|
|Publisher||:||C R C Press Reprints - 1988-01-01|