ELECTRICAL DRIVES AND CONTROL BY U.A.BAKSHI M.V.BAKSHI PDF

Electrical Machines - Ii. Bakshi U. Synchronous Generator Constructional details - Types of rotors - emf equation - Synchronous reactance - Armature reaction - Voltage regulation - e. Synchronous Motor Principle of operation - Torque equation - Operation on infinite bus bars - V-curves - Power input and power developed equations - Starting methods - Current loci for constant power input, Constant excitation and constant power developed. Three Phase Induction MotorConstructional details - Types of rotors - Principle of operation - Slip - Equivalent circuit - Slip-torque characteristics - Condition for maximum torque - Losses and efficiency - Load test - No load and blocked rotor tests - Circle diagram - Separation no load losses - Double cage rotors - Induction generator - Synchronous induction motor. Starting and Speed Control of Three Phase Induction MotorNeed for starting - Types of starters - Stator resistance and reactance, Rotor resistance, Autotransformer and star-delta starters - Speed control - Change of voltage, Torque, Number of poles and slip - Cascaded connection - Slip power recovery scheme.

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Asynchronous Machines. Bakshi , M. Basic Concepts Field distribution of space distributed three-phase winding, Concept of rotating field, Production and concept of asynchronous and synchronous torques. Polyphase Induction Machines Constructional features, Operation, Equivalent circuit, Phasor diagram , Leakage reactance and it s importance on machine performance, Effect of rotor circuit resistance, Starting torque, Cage motors, Double cage and deep bar motor.

Generator action, Methods of excitation, Space harmonics and their effect on motor performance, Starting methods, Speed control : i Control of speed of rotating field, ii Control of slip speed. Estimation of equivalent circuit parameters. Effect of voltage injection in rotor circuit of slip ring induction motor, Action of commutator, Scherbius and Kramer schemes of speed and P. Linear Induction Machines : Construction, Principle of operation and applications.

Phase splitting, Shaded pole motor, Single phase series and repulsion motor : Working and characteristics. Asynchronous Machines U. Chapter2 Polyphase Induction Machines.

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Electrical Drives And Control

Asynchronous Machines. Bakshi , M. Basic Concepts Field distribution of space distributed three-phase winding, Concept of rotating field, Production and concept of asynchronous and synchronous torques. Polyphase Induction Machines Constructional features, Operation, Equivalent circuit, Phasor diagram , Leakage reactance and it s importance on machine performance, Effect of rotor circuit resistance, Starting torque, Cage motors, Double cage and deep bar motor. Generator action, Methods of excitation, Space harmonics and their effect on motor performance, Starting methods, Speed control : i Control of speed of rotating field, ii Control of slip speed.

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Electrical Drives and Control For Anna University R-17 (III MECH - EE8353)

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