ELECTRICAL DRIVES AND CONTROL

ELECTRICAL DRIVES AND CONTROL - Einstein College of...

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Unformatted text preview: Einstein College of Engineering EINSTEIN COLLEGE OF ENGINEERING (An Institution Affiliated To Anna University, Tirunelveli) Sir.C.V.RAMAN NAGAR SEETHAPARPANALLUR TIRUNELVELI DEPARTMENT OF ELECTRICAL AND ELECTRONICS ENGINEERING ME 36- ELECTRICAL DRIVES AND CONTROL (III sem Mechanical Engg.) (ODD SEMESTER 2010-2011) Einstein College of Engineering ME 36 ELECTRICAL DRIVES AND CONTROLS 3 0 0 100 OBJECTIVE To understand the basic concepts of different types of electrical machines and their performance. To study the different methods of starting D.C motors and induction motors. To study the conventional and solid-state drives. 1. INTRODUCTION 8 Basic Elements – Types of Electric Drives – factors influencing the choice of electrical drives – heating and cooling curves – Loading conditions and classes of duty – Selection of power rating for drive motors with regard to thermal overloading and Load variation factors 2. DRIVE MOTOR CHARACTERISTICS 9 Mechanical characteristics – Speed-Torque characteristics of various types of load and drive motors – Braking of Electrical motors – DC motors: Shunt, series and compound - single phase and three phase induction motors. 3. STARTING METHODS 8 Types of D.C Motor starters – Typical control circuits for shunt and series motors – Three phase squirrel cage and slip ring induction motors. 4. CONVENTIONAL AND SOLID STATE SPEED CONTROL OF D.C. DRIVES 10 Speed control of DC series and shunt motors – Armature and field control, Ward-Leonard control system - Using controlled rectifiers and DC choppers –applications. 5. CONVENTIONAL AND SOLID STATE SPEED CONTROL OF A.C. DRIVES 10 Speed control of three phase induction motor – Voltage control, voltage / frequency control, slip power recovery scheme – Using inverters and AC voltage regulators – applications. TOTAL : 45 TEXT BOOKS 1. VEDAM SUBRAHMANIAM, “Electric Drives (concepts and applications)”, Tata McGraw- Hill, 2001 2. NAGRATH.I.J. & KOTHARI.D.P, “Electrical Machines”, Tata McGraw-Hill, 1998 REFERENCES 1. PILLAI.S.K “A first course on Electric drives”, Wiley Eastern Limited, 1998 2. M.D.SINGH, K.B.KHANCHANDANI, “Power Electronics”, Tata McGraw-Hill, 1998 H.Partab, “Art and Science and Utilisation of electrical energy”, Dhanpat Rai and Sons, 1994 Einstein College of Engineering UNIT-I INTRODUCTION TO ELECTRICAL DRIVES robots, pumps, machine tools, etc. Prime movers are required in drive systems to provide the sources: di esel engines, petrol engines, hydraulic motors, electric motors etc. There are several advantages of electrical drives: a. Flexi ble control characteristic – This is particularly true when power electronic converters are employed where the dynamic and steady state characteristics of the motor can be controlled by controlling the applied voltage or current....
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ELECTRICAL DRIVES AND CONTROL - Einstein College of...

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