Magnetic circuits; single-phase transformers: Principles, analysis, performance characteristics and testing; DC motors: principle of operation; methods of starting and control; Three-phase AC induction motors: principle of operation; methods of starting, testing and speed control. AC three-phase synchronous motors: principle of operation; methods of starting, testing and speed control. Stepper motor: principle of operation; methods of control. Servo-motors (AC and DC): principle of operation; methods of control. Criteria of selection of the different types of motors for various applications, Sizing calculation for several application.