All Materials regarding to B.tech R-20 in Electrical and Electronics Engineering 2nd Year 2nd Semester with unit wise for Every Subjects are available.
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| EEE 2-2 ISM | ||
|---|---|---|
| S.No | Chapters / Units | Download Link |
| 1 | Unit 1 | Download |
| 2 | Unit 2 | Download |
| 3 | Unit 3 | Download |
| 4 | Unit 4 | Download |
| 5 | Unit 5 | Download |
EEE 2-2 ISM Important Topics Questions
UNIT - I
3-phase induction motors
Construction details of squirrel cage and slip ring induction motors – production of rotating
magnetic field – principle of operation – Equivalent circuit –phasor diagram- slip speed-rotor
emf and rotor frequency – rotor current and pf at standstill and during running conditions –
rotor power input, rotor copper loss and mechanical power developed and their
interrelationship.
UNIT - II
Characteristics and testing methods of induction motors
Torque equation – expressions for maximum torque and starting torque – torque slip
characteristic – double cage and deep bar rotors – crawling and cogging – speed control of
induction motor with V/f control method – no load and blocked rotor tests – circle diagram
for predetermination of performance – induction generator operation (Qualitative treatment
only)
UNIT - III
Starting methods of 3-phase induction motors
Methods of starting of three phase Induction motors: DOL, Auto transformer, Star-Delta and
rotor resistance methods.
Single phase induction motors:
Constructional features- equivalent circuit- problem of starting-double revolving field theory-
Methods of starting. AC series motors.
UNIT - IV
Construction, operation, voltage regulation and parallel operation of synchronous
generator:
Constructional features of non-salient and salient pole machines –types of armature windings
– distribution, pitch and winding factors – E.M.F equation –improvements of waveform and
armature reaction –phasor diagrams- voltage regulation by synchronous impedance method –
MMF method and Potier triangle method– two reaction analysis of salient pole machines and
phasor diagram.
Parallel operation with infinite bus and other alternators – synchronizing power – load
sharing – control of real and reactive power – numerical problems.
UNIT - V
Synchronous motor – operation, starting and performance
Synchronous motor principle and theory of operation – phasor diagram – starting torque –
variation of current and power factor with excitation – capability curves - synchronous
condenser – mathematical analysis for power developed – hunting and its suppression –
methods of starting – applications.
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