EE6401 Electrical Machines I - All Useful Study Materials

EE6401 Electrical Machines - I Syllabus Notes Question Papers Question Bank with answers download

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EE6401 Electrical Machines - I study materials such as all 5 unit wise notes, question banks, 2 marks with answers (Part A), 16 marks questions (Part B), Previous year question papers, model question papers, Important Questions as well as ebook in pdf format have been provided.
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EE6401 Electrical Machines - I  Syllabus - EM 1 Syllabus

UNIT I MAGNETIC CIRCUITS AND MAGNETIC MATERIALS
Magnetic circuits –Laws governing magnetic circuits - Flux linkage, Inductance and energy – Statically and Dynamically induced EMF - Torque – Properties of magnetic materials, Hysterisis and Eddy Current losses - AC excitation, introduction to permanent magnets-Transformer as a magnetically coupled circuit.

UNIT II TRANSFORMERS
Construction – principle of operation – equivalent circuit parameters – phasor diagrams, losses – testing – efficiency and voltage regulation-all day efficiency-Sumpner’s test, per unit representation – inrush current - three phase transformers-connections – Scott Connection – Phasing of transformer– parallel operation of three phase transformers-auto transformer – tap changing transformers- tertiary winding.

UNIT III ELECTROMECHANICAL ENERGY CONVERSION AND CONCEPTS IN ROTATING MACHINES
Energy in magnetic system – Field energy and coenergy-force and torque equations – singly and multiply excited magnetic field systems-mmf of distributed windings – Winding Inductances-, magnetic fields in rotating machines – rotating mmf waves – magnetic saturation and leakage fluxes.

UNIT IV DC GENERATORS
Construction and components of DC Machine – Principle of operation - Lap and wave windings-EMF equations– circuit model – armature reaction –methods of excitation-commutation and interpoles - compensating winding –characteristics of DC generators.

UNIT V DC MOTORS
Principle and operations - types of DC Motors – Speed Torque Characteristics of DC Motors-starting and speed control of DC motors –Plugging, dynamic and regenerative braking- testing and efficiency – Retardation test- Swinburne’s test and Hopkinson’s test - Permanent magnet dc motors(PMDC)-DC Motor applications.

EE6401 Electrical Machines - I (EM 1) - All useful study materials

Download EE6401 Electrical Machines - I (EM 1) Notes Question Papers Question bank Important Questions with answers and online ebook using below table directly. 
EE6401 Study Materials Download Link
EE6401 Syllabus Click here to download Syllabus
EE6401 Notes Notes 1 | Notes 2 | Notes 3
EE6401 Question Bank QB 1 Link | QB 2 Link | QB 3 Link
EE6401 Question Papers Click here to download Question paper
EE6401 2 marks with Answers (Part A) Click here to download 2 marks with answers
EE6401 16 marks (Part B) Click here to download 16 marks
EE6401 Important Questions Click here to download important Questions
EE6401 eBook (online book PDF) Download link Click here to download ebook online
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