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Published by uLektz
Course Code | : | ULZ0061 |
Author | : | uLektz |
University | : | General for All University |
Regulation | : | 2017 |
Categories | : | Electrical & Electronics |
Format | : | ![]() |
Type | : | eBook |
FREE
Buy NowDescription :Electrical Machines I (Magnetic Circuits And Magnetic Materials) of ULZ0061 covers the latest syllabus prescribed by General for All University for regulation 2017. Author: uLektz, Published by uLektz Learning Solutions Private Limited.
Note : No printed book. Only ebook. Access eBook using uLektz apps for Android, iOS and Windows Desktop PC.
1.1 Magnetic circuits - Laws governing magnetic circuits
1.2 Flux linkage, Inductance and energy
1.3 Statically and Dynamically induced EMF - Torque
1.4 Properties of magnetic materials, Hysteresis and Eddy Current losses
1.5 AC excitation, introduction to permanent magnets
1.6 Transformer as a magnetically coupled circuit
2.1 Construction – principle of operation
2.2 Equivalent circuit parameters
2.3 Phasor diagrams, losses
2.4 Testing
2.5 Efficiency and voltage regulation - all day efficiency
2.6 Sumpner’s test, per unit representation – inrush current
2.7 Three phase transformers connections – Scott Connection – Phasing of transformer
2.8 Parallel operation of three phase transformers
2.9 Auto transformer
2.10 Tap changing transformers - tertiary winding
3.1 Energy in magnetic system
3.2 Field energy and coenergy
3.3 Force and torque equations
3.4 Singly and multiply excited magnetic field systems
3.5 MMF of distributed windings – Winding Inductances
3.6 Magnetic fields in rotating machines - Rotating mmf waves
3.7 Magnetic saturation and leakage fluxes
4.1 Construction and components of DC Machine
4.2 Principle of operation - Lap and wave windings
4.3 EMF equations
4.4 Circuit model
4.5 Armature reaction
4.6 Methods of excitation
4.7 Commutation and interpoles - compensating winding
4.8 Characteristics of DC generators
5.1 Principle and operations
5.2 Types of DC Motors
5.3 Speed Torque Characteristics of DC Motors
5.4 Starting and speed control of DC motors
5.5 Plugging, dynamic and regenerative braking
5.6 Testing and efficiency
5.7 Retardation test - Swinburne’s test and Hopkinson’s test
5.8 Permanent magnet dc motors(PMDC) - DC Motor applications
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