Learning Outcome 4 - Haris M...
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1 EEL 2043 Principles of Machines and Power Learning Outcome 4: AC MACHINES
Transcript of Learning Outcome 4 - Haris M...
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EEL 2043
Principles of Machines and Power
Learning Outcome 4:
AC MACHINES
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Topics of Learning Outcome 4 :
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How Induction Motor Works?
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1- Start-up
Operation of a Three-Phase Induction Motor
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Rotating (Revolving) Magnetic Field
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2- Running
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Slip:
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Frequency of Rotor Currents:
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Characteristics of a 3-Phase Induction Motor
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Torque-Speed Characteristic of Induction Motor
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Current-Speed Characteristic of Induction Motor
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Effect of Rotor Resistance
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Example 1:
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Example 2:
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Equivalent Circuit of Induction Motor
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Power Flow in Induction Motor
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Power Flow in Induction Motor
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Example 3:
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Example 4:
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Induction Motor (SCIM) Efficiency
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Induction Motor Output Power, Torque, and Speed
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Example 5:
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Example 6:
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Induction Motor Speed Control
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(a) Changing Applied Stator Voltage
1-Control from Stator Side:
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(b) Changing Applied Frequency
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(c) Changing Number of Stator Poles
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2-Control from Rotor Side: (a) Rotor Rheostat Control
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(b) Control by Injecting an e.m.f in the Rotor Circuit
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SYNCHRONOUS MACHINE
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Synchronous Motor
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Synchronous Motor
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Starting Methods:
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Applications of Synchronous Motor:
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Advantages of Synchronous Motor:
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SINGLE PHASE INDUCTION MOTOR
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References:
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END OF LEARNING OUTCOME 4
