EE280 - Electrical Machines

Instructor: S. Sivasubramani , Block 3, IIT P Bihta Campus,

Lectures: Wednesday: 3-4, Thursday: 4-5 and Friday: 5-6

Syllabus:

  • Magnetic circuits and transformer including 3-phase transformers
  • Fundamentals of D.C. machines, armature reaction, voltage-current characteristics, speed-torque characterisitcs, speed control
  • Fundamentals of induction machines, derivation of equivalent circuits, performance characteristics, speed control, starting methods
  • Fundamentals of synchronous machines, equivalent circuit, V-curves, power factor control, capability curves

    • Prerequisite: EE101 - Electrical Sciences

    Text Book:

    1. D.P. Kothari and I.J. Nagrath, Electrical Machines, 3rd Edition, Tata McGraw Hill, 2008.

    References:

    1. A.E. Fitzgerald, Charles Kingsley, Stephen D. Umans , Electric Machinery, 6th Edition, Tata McGraw Hill, 2008.
    2. P C Sen, Principles of Electric Machines and Power Electronics, 2nd Edition, Wiley-India, 2009.
    3. Stephan J Chapman, Electric Machinery Fundamentals, 4th Edition, Tata McGraw Hill, 2010.

    Lecture Notes:
    Sl No Topics
    1 Introduction
    2 AC Power Measurement
    3 Magnetic Circuits
    4 Transformers
    5 Electromechanical Energy Conversion
    6 Introduction to Rotating Machines
    7 DC Machines
    8 Induction Machines
    9 Synchronous Machines

    Problem Sets:
    1 Magnetic Circuits Problems
    2 Transformers Problems
    3 DC Generators Problems
    4 DC Motors Problems
    5 Induction Machines Problems
    6 Synchronous Machines Problems

    Exams:
    Quiz 1 Solution
    Mid Sem Solution

    Past Exams:
    Spring 2017 Spring 2018 Spring 2019 Spring 2020 Spring 2021
    Quiz I Solution Quiz I Solution Quiz I Solution Quiz I Solution
    Mid Sem Solution Mid Sem Solution Mid Sem Solution Mid Sem Solution
    Quiz II Solution Quiz II Solution Quiz II Solution Quiz III Solution
    End Sem Solution End Sem Solution End Sem Solution End Sem Solution Quiz IV Solution
    End Sem Solution

    Useful links:

    1. Electrical Machines I : NPTEL (Web) , NPTEL (Video)
    2. Electrical Machines II : NPTEL (Web)