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EE1215 ELECTRICAL MACHINES AND DRIVES
1. CIRCUITS AND TRANSFORMERS
D.C. Voltage, current, power-Ohms law-series, parallel circuits – Kirchoff’s laws – mesh analysis – A.C. voltage – sinusoidal waves, hasor representation – power factor – complex power - basic idea of transformers – simple problems.
2. ELECTRICAL MOTORS
Constructional details, principle of operation and performance characteristics of D.C. motors, single phase induction motor, three phase induction motor, synchronous motors, universal motors, stepper motors and reluctance motor.
3. SPEED CONTROL AND STARTING
Speed control of D.C. motors – three phase induction motors – starting methods of D.C. motor and three phase induction motor – electrical braking – simple problems.
4. ELECTRICAL DRIVES
Type of Electrical Drives – Selection & factors influencing the selection – heating and cooling curves – loading condition and classes of duty – determination of power rating – simple problems.
5. SOLID STATE DRIVES (QUALITATIVE TREATMENT ONLY)
Advantages of solid state drives – D.C. motor control using rectifiers and choppers – control of induction motor by V, V/f and slip power recovery scheme using inverters and A.C. power regulators.
TEXT BOOK
1. N.K.De.,P.K.Sen “Electric Drives”, Prentice Hall, First edition 1999.
REFERENCES
1. I.J. Nagrath, T.P. Kothari., “Basic Electrical Engineering”, McGraw-Hill Publishing company Ltd., Second edition, 2002.
2. S.K. Bhattacharya “ Electrical Machines” second edition 1999, Tata McGraw-Hill Pvt. Company Ltd., Second edition, 1999.
3. G.K. Dubey “Fundamental Electrical Drives” second edition 2002, Narosa Publications, Second edition, 2002.
4. Pillai, S.K., “A Seish course on Electrical Drives”, Wilay Eastern Ltd., New Delhi, 1982.
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