Principle of unified machine theory, generalized torque equation. Performance evaluation of DC machine and speed control. Three-phase induction motor-transformation methods, (stationary, rotor, and synchronous frames) and corresponding equivalent circuits. Three Phase synchronous motor: representation, Park transformation. Drives, various Control techniques; Concept of Space vector, field-oriented control, and direct torque control of IM. Permanent magnet synchronous motors- machine model (d-q) and control methods Switched reluctance motor drive and various power circuit configurations and control.