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Transcript
EE110 Electrical Machine –II L-T-P-Cr: 3-1-0-4 Objective: To have the basic knowledge of construction , operating principle, characteristics and application of Synchronous Generator, Synchronous Motor, Single Phase Induction Motors, AC series motor, hysteresis motor, reluctance motor, Single Phase Synchronous Motors, Two Phase AC Servo Motor, Permanent Magnet DC Motor. Pre-requisite: Knowledge of Basic Electrical Engineering and Electrical Machine I Outcome: To understand working and performance of Synchronous machine, to be able to analysis their behavior under different load conditions. To understand working principals of Fractional Horse power rotating machine. Syllabus: Unit 1. Synchronous Generator: Principle, Construction and types of synchronous machines, Methods of Excitation, Armature Windings, EMF Equation of Alternator, Armature Reaction, Testing (OC and SC test), Voltage Regulation, Phasor Diagram. 9 Lecture Unit 2. Two reaction Theory-Modified Phasor Diagram, Power Angle Characteristics, Parallel Operation, Effect of Change of Fuel supply and excitation on Alternator connected to infinite bus, Cooling of Synchronous Generator. 9 Lecture Unit 3. Synchronous Motor: Principle of operation, Equivalent circuit, Effect of Varying field current, Vcurves, Inverted V-curves, Phasor Diagram, Staring of synchronous motors, Hunting, Applications. 8 Lecture Unit 4. Fractional Horse Power Motor: Introduction single phase Motor, Working Principle, Double Revolving field theory, Equivalent circuit, Starting Method and Types of Single Phase Induction Motors, Applications. 8 Lecture Unit 5. Special Motors: Single Phase Synchronous Motors, hysteresis motor, reluctance motor, Two Phase AC Servo Motor, Single Phase Series (Universal) Motor, Stepper Motor, Permanent Magnet DC Motor, etc, Applications. 8 Lecture Suggested Readings: 1. Fitzgerald A. E. & Kingsley, Electrical Machinery, TMH 2. P. S. Bimbra, Electrical Machines ,Khanna Publication 3. P. S. Bimbra , Generalized Theory of Electrical Machines, Khanna Publication 4. Smarjit Ghosh, Electrical Machine, Pearson Education Pvt. Ltd. 5. Nagarath I. J. and Kothari D. P., Electrical Machines, TMH