... Wiley-Interscience, 1971.A.I. Pressman, Switching and Linear Power Supply, Power Converter Design, Carmel, Ind.: Hayden Book Com-pany, 1977.M.H. Rashid, Power Electronics, Circuits, Devices and Applications, ... and high power factor (PF) if the sourceis ac voltage. Some special power supplies require controlled direction of power flow.Basically two types of power supplies are required: dc power supplies ... 30.3 Power Supplies DC Power Supplies•AC Power Supplies•Special Power Supplies 30.4 Converter Control of Machines Converter Control of DC Machines•Converter Control of AC Machines 30.1 Power...