EE9304-ELECTRICAL MACHINES – II-ANNA UNIVERSITY SYLLABUS EEE

7/10/2012 02:46:00 PM
**EE**

**9**

**3**

**0**

**4 ELECTRICAL MACHINES – II L T P C**

**3 1 0 4**

**A**

**I**

**M**

To study the theory, operation and performance of AC
machines.

**O**

**B**

**JE**

**C**

**T**

**I**

**V**

**E**

**S**

§
To study the theory and performance characteristics of Induction machines.

§
To study the theory and performance characteristics of Synchronous machines.

§ To study theory of operation and performance characteristics of fractional

horse power
motors.

**UN**

**I**

**T I INDUCTION MACHINES: THEORY 12**

Construction – types – principle of operation of motor – emf, torque and power
flow equations – torque and speed curves – double cage motor and equivalent circuit –
synchronous induction motor – induction generator.

**UN**

**I**

**T II INDUCTION MACHINES: PERFORMANCE 12**

Induction motor testing, equivalent circuit and circle diagram – losses and efficiency –
performance characteristics
– harmonics, cogging and crawling – starting methods – speed control methods – braking – temperature rise and insulation – energy efficient
motors.

**UN**

**I**

**T III SYNCHRONOUS MACHINES: THEORY 12**

Construction – types – generator and motor action – theory of cylindrical rotor machines

– armature reaction and synchronous
reactance
–
emf
and
power
equation –

synchronization – synchronizing power and parallel operation – two reaction theory of
salient pole machines and determination of direct axis and quadrature axis reactance.

**UN**

**I**

**T IV SYNCHRONOUS MACHINE: PERFORMANCE 12**

Pre-determination of voltage regulation – synchronous machine on infinite bus bars – V curves and inverted V-curves of motor
and generator – steady state operating characteristics – hunting – short-circuit transients – synchronous condenser action.

**UN**

**I**

**T V FRACTIONAL HORSE POWER MOTORS 12**

Single-phase induction motor – double revolving field theory – testing, equivalent circuit
and performance analysis – starting methods – universal
motor.

**L=45 T=15 TOTAL: 60 PERIODS**

**T**

**EX**

**T BOOKS:**

1. Say M.G, "Performance and Design of Alternating Machines' CBS Publishers and

Distributors, New Delhi, First Indian Edition, Reprint 1998.

2. Nagarth I.J. and Kothari
D.P., Electric Machines, Tata McGraw
Hill, New Delhi,
Edition 2004.

**R**

**E**

**FERENCES:**

1. Fitzgerald A.E., Charles Kingsley Jr., and Stephen D.Umans, "Electric Machinery,
"Tata McGraw
Hill, New Delhi, Edition 2002.

2. Irving L.Kosow, "Electric Machinery and Transformers"
Prentice Hall of India

Private Limited, New Delhi., Second Edition, Reprint 2007.

3. Stephan J.Chapman, "Electric Machinery Fundamentals', McGraw
hill
International

Edition, New
Delhi, 2005.

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