MG University S6 Electrical and Electronics (EEE) B.Tech Syllabus
Module 1
Synchronous Machines: Types – selection of alternators – constructional features
of cylindrical and salient pole machines.
Armature windings: different types – phase grouping – single and double layer,
integral and fractional slot winding – emf equation – distribution factor – coil span
factor – tooth harmonic ripples – skewed slots – harmonics, elimination of
harmonics – revolving magnetic field.
Module 2
Armature Reaction – Synchronous reactance – circuit model of synchronous
machine.
Regulation – predetermination – emf, mmf and potier methods, saturated
synchronous reactance – Phasor diagrams – short circuit ratio – two-reaction
theory – Phasor diagram – slip test – measurement of Xd, Xq, losses and efficiency
of synchronous machines.
Module 3
Parallel operation of alternators – load sharing – synchronising power and torque
– governor characteristics – method of synchronising – synchroscope.
Synchronous Motor: Principles of operation – torque and power relationships –
Phasor diagram – hunting in synchronous machines – damper winding – starting
of synchronous motors.
Module 4
Synchronous machines connected to infinite bus – power angle characteristics of
cylindrical rotor and salient pole machines – reluctance power – steady state
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stability limit – V-curves – inverted V-curves – O-curves – synchronous
condenser – symmetrical short circuit of unloaded alternators – steady state,
transient and sub-transient reactance – current variation during short circuit.
Module 5
Generalised Machine Theory: Dynamic representation of generalised machines –
formation of emf equation – expression of power and torque – representation of
DC machines – synchronous machine and Induction motor.
Excitation systems: different types – comparison – exciter ceiling voltage –
excitation limits – exciter response – methods of increasing the response of an
exciter.
Brushless Alternators: Principle of operation constructional features – excitation
methods – voltage regulation.
References
1. The performance and Design of AC Machines: M.G. Say
2. Theory of Alternating Current Machinery: Alexander Langsdorf
3. A course in Electrical Engg. Vol.2: C.L Dawes
4. Power System Stability – Vol. 3: E.W Kimbark
5. Electrical Machines: P.S Bhimbra
6. Generalised Theory of Electrical machines: P. S Bhimbra
7. Theory and performance Electrical Machines: J.B Gupta
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