All Materials regarding to B.tech R-20 in Electronics and communication Engineering with unit wise for Every Subjects are available.
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| ECE 1&2 BEE | ||
|---|---|---|
| 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 |
ECE 2-1 BEE Important Topics
Unit I
DC Machines
Principle of operation of DC generator – emf equation – types of DC machines – torque
equation of DC motor – applications – three point starter - losses and efficiency - swinburne’s
test - speed control methods – OCC of DC generator- Brake test on DC Shunt motor-
numerical problems
Unit II
Transformers
Principle of operation of single phase transformer constructional features – EMF equation –
Losses and efficiency of transformer- regulation of transformer – OC & SC tests
predetermination of efficiency and regulations – Sumpner’s test-NumericalProblems.
Unit III
Synchronous Generators
Principle of operation and construction of alternators – types of alternators Regulation of
alternator by synchronous impedance method-EMF equation of three phase alternator
Synchronous Motors
Construction of three phase synchronous motor - operating principle –equivalent circuit of
synchronous motor.
Unit IV
Induction Machine: Principle of operation and construction of three-phase induction motors
– slip ring and squirrel cage motors – slip-torque characteristics – efficiency calculation –
starting methods-Brake test on 3-Phase Induction Motor.
Unit V
Special Machines: Principle of operation and construction - single phase induction motor -
shaded pole motors – capacitor motors and AC servomotor.
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