Course Contents

Introduction to Electrical Machinery Principles (1 CH): Magnetic field and circuits, Faraday’s and Lenz’s law, magnetization curves characteristics of hard and soft magnetic materials, losses. Single Phase Transformers (12 CH): Introduction and fundamental concepts, working principle, types, construction, ideal transformer, operation and equivalent circuit, voltage regulation, losses, open and short circuit test, efficiency, instrument and auto transformers, name plate ratings and applications. DC Generator and Motor (13 CH): Introduction and fundamental concepts, working principle, types, construction, operation, EMF equations, torque equations, characteristics, commutation, armature reaction, speed and voltage regulation, losses, open and short circuit test, no load and blocked rotor test, name plate ratings and applications. Induction and Synchronous Machines (22 CH): Introduction and fundamental concepts, working principle, rotating magnetic field, magneto motive force and flux distribution, types, construction, operation, EMF equations, torque equations, speed and voltage regulation, losses, open and short circuit test, no load and blocked rotor test, name plate ratings and applications. Special Purpose Motors: Introduction to Single phase Induction Motors, Switched Reluctance motors, Hysteresis motors, Stepper, brushless DC motors.

Course Synopsis

1. Develop intuitive concepts regarding fundamental electromagnetic laws governing working of electrical machines including AC transformers, generators and motors. 2. Develop deep insight relating to construction, detailed working and modern day applications of mentioned electrical machines. 3. Understand the basic principles that govern electro-mechanical motion and transformation of electrical energy. By applying this knowledge, students learn techniques that enable them to understand operation of AC electrical machines and analyze their performance.

Course Learning Outcomes

1. Develop intuitive concepts regarding fundamental electromagnetic laws governing working of electrical machines including AC transformers, generators and motors. 2. Develop deep insight relating to construction, detailed working and modern day applications of mentioned electrical machines. 3. Understand the basic principles that govern electro-mechanical motion and transformation of electrical energy. By applying this knowledge, students learn techniques that enable them to understand operation of AC electrical machines and analyze their performance.