CSVTU BE V Sem Electrical Engineering Electrical Machine-II Syllabus

CSVTU BE V Sem Electrical Engineering Electrical Machine-II Syllabus

Chhattisgarh Swami Vivekanand Technical University, Bhilai

Semester: 5th Branch: Electrical Engg.

Subject: Electrical Machine-II

UNIT I: Electrical Machines Principles

Principle of electromechanical energy conversion. Construction of various rotating machines. Singly

excited magnetic system, co-energy and field energy. Doubly excited magnetic system. Torque

expression for reluctance motor MMF of concentrated and distributed windings, EMF equation, winding

factors, torque and voltage in salient and non-salient pole machines, coupled circuit and magnetic field

view point, rotating magnetic fields, torque production in synchronous, induction and DC machines.

UNIT II: Synchronous Machines I

Theory of non-salient pole synchronous machines, basic synchronous machine models, equivalent circuit

and phasor diagrams of synchronous machines, saturation effects, armature reaction, open circuit, short

circuit and zero power factor lag tests on synchronous machines, synchronous reactance, SCR, voltage

regulation of alternators by synchronous impedance, MMF and zero power factor method, excitation

systems of alternators

UNIT III: Synchronous Machines II

Generator input and output, steady state power angle characteristics, parallel operation of synchronous

machines, load sharing, operation of synchronous machines with infinite bus bars, synchronizing torque,

active and reactive power flows, general load diagram, V-curves.

UNIT IV: Synchronous Machines III

Theory of salient pole synchronous machines, two-reaction theory, phasor diagram, power angle

characteristics, determination of X

d and Xq

, stiffness of coupling synchronous motors, phasor diagrams,

starting of synchronous machines, damper winding.

UNIT V: Polyphase Induction Machines

Cage and slip-ring induction motors, equivalent circuit, phasor diagram, normalized torque-speed (slip)

relationship, starting and speed control of induction motors, cogging and crawling, double cage induction

motors, testing of induction motors, circle diagram.

Text Books:

1. Electrical Machines by Smarajit Ghosh, Pearson Education

2. Performance & Design of A.C. Machines by M.G. Say, C.B.S. Publishers

Reference Books:

1. Electric Machines by Nagrath & Kothari

,

TMH Pbs.

2. Electric Machines by P.K. Mukherjee & S.Chakravarti, Dhanpat Rai

3. Electrical

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