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ModuleInformation

ELE2019

Electric Power Eng 2

Course Contents

  • Electrical machine fundamentals: Magnetic field theory; Faraday’s Law and induced force; A linear DC machine – a simple example
  • The DC machine: EMF and torque production; DC machine Commutation; Development of equivalent circuit; Speed control and machine construction.
  • The induction machine: rotating field theory; induction machine construction; measurement of machine parameters; Torque and power, torque-speed characteristic, power flow and efficiency; modification of machine characteristics, speed control, machine starting
  • Other machines; Analysis of simple universal motor; Single-phase induction machines
  • Three-phase quantities: line and phase voltage and currents; power in 3-phase circuits; Real power, Reactive Power, Apparent Power and Power Factor
  • Per-Unit System: Definitions & reasons; change of base; transformer representation
  • Synchronous Generation: equivalent circuit; generation on infinite busbars; steady-State & Transient Operation; performance Chart
  • Transmission Lines: Two-port network representation; Short line representation; Medium line representation by Nominal & Equivalent T and pi; long line representation by Telegraphers equations
  • Load Flow Analysis: Node type definitions; Gauss-Seidel method of solution; methods of Voltage *& Reactive Power Control
  • Symmetrical Components: definitions; asymmetric Fault Analysis by Symmetrical Components

Supplementary Notes

None

Learning Outcomes

After the completion of this module you will be able to:

  • Understand rotating field theory and electromagnetism
  • Apply circuit theory for solving machine equations.
  • Use equivalent circuits to analyse machine performance under various condition, e.g., start up, short circuit, breaking etc.
  • Undertake machine performance testing.

Skills

During this course of this module you will acquire the following key skills:

  • Numeric skills
  • Analytical techniques
  • Perform experimental work