EE3101 - Power Systems-I

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

Lectures: Theory: Wednesday: 4-5 (R310) , Thursday: 4-5 (R310); Lab: Friday: 11-1 (Power System Lab, Block 3)

Syllabus:

  • Introduction: Basic structure of power system; demand of electrical system - base load, peak load; controlling power balance between generator and load, advantages of interconnected system.
  • Generation of Electrical Energy: Thermal power plant - general layout, turbines, alternators, excitation system, governing system, efficiency; Hydel power plant - typical layout, turbines, alternators; Nuclear power plant - principle of energy conversion, types of nuclear reactors; brief overview of renewable energy sources: Solar Energy, Wind Energy etc.
  • Transmission of Electrical Energy: Evaluation of Transmission line parameters - types of conductors, representation of transmission line, inductance calculation of single/three phase lines, concept of GMD and GMR, transposition of lines, bundled conductors, skin effect, proximity effect, capacitance calculation of single/three phase lines, effect of earth on calculation of capacitance, line resistance, line conductance; Analysis of transmission lines - representation, short/medium/long transmission lines, nominal T/π network, ABCD parameters, surge impedance, Ferranti effect, power flow through a transmission line, reactive power compensation of transmission line; corona loss; Insulators for overhead transmission lines - types of insulators, string efficiency, methods to improve string efficiency; Insulated cables - insulating material, grading of cables, capacitance of single/three core cable, dielectric loss; methods of grounding; Transient analysis - travelling waves, reflection and refraction, lattice diagram; mechanical design of transmission line.
  • Distribution of Electrical Energy: D.C. and A.C. distribution, radial and ring main distribution, medium voltage distribution network, low voltage distribution network, single line diagram, substation layout, substation equipment

    • Prerequisite:

    1. EE2103: Electrical Machines-I
    2. EE2202: Electrical Machines-II

    References:

    1. S. N. Singh, "Electric Power Generation, Transmission and Distribution", Prentice-Hall, 2007
    2. D. P. Kothari and I. J. Nagrath, "Modern Power System Analysis" McGraw Hill, 2022

    Lecture Notes:
    Sl No Topics
    1 Introduction
    2 Power Generation
    3 Basic Concepts
    4 Line Parameters
    5 Line Models

    Problem Sets:
    1 Basics of Power Systems Problems
    2 Line Parameters Problems
    3 Performance of Transmission Lines Problems

    Exams:

    Past Exams:
    Autumn 2025
    Mid Sem Solution
    End Sem Solution