Subject Details
Dept     : EEE
Sem      : 3
Regul    : R2023
Faculty : Mr.T.Tharankumar
phone  : NIL
E-mail  : tharan.engineer@gmail.com
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Lecture Notes

UNIT 1:
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Constructional features of a DC machines
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Principles of operation of DC generator
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DC Generator types and methods of excitation
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no load and load characteristics of DC generators
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EMF equation
pdf
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armature reaction and commutation
UNIT 2:
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back EMF – torque equation
pdf
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Principles of operation of DC motor
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Types of DC motor
pdf
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speed control
pdf
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starting methods
UNIT 3:
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Losses and efficiency
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Testing of DC machines
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Brake test of DC Motor
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Swinburne’s Test
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Applications of DC Machines