Teaching Responsibility

LJMU Schools involved in Delivery:

Engineering

Learning Methods

Lecture
Tutorial

Module Offerings

7300ELE-JAN-CTY

Aims

To develop an understanding of principles and acquire working knowledge of mathematical modelling of electrical machines. To introduce the principles of control of variable speed electric drives using power electronic converters. To introduce the concept of vector control as applied to induction machines.

Learning Outcomes

1.
Analyse steady state behaviour of grid supplied and inverter supplied induction machines
2.
Use basic Matlab functions to design programs for steady state analysis
3.
Undertake modelling of various transients of grid-supplied and inverter-supplied ac machines
4.
Use Simulink/Matlab to develop a working simulation programme for analysis of AC machine's dynamics

Module Content

Outline Syllabus:1 Steady state modelling of induction machines and supply: Principles of AC machine steady state modelling. Steady state characteristics of grid supplied induction machine. Variable-speed of operation using V/f control. Voltage source inverter - power circuit and operation in six-step mode. PWM control of a voltage source inverter. 2 Transient modelling of induction machines: Modelling of a three-phase squirrel-cage induction machine in terms of phase variables. Common reference frame transformations: Model in arbitrary d-q reference frame. Concept of space vectors and induction machine model in terms of space vectors. Modelling of the three-phase sinusoidal power supply and voltage source inverter using space vectors. High-performance AC drives: The idea of vector control and field orientation possibilities in an induction machine. Principles of rotor flux oriented control.
Module Overview:
This module introduces you to the advanced concepts of electrical machine modelling and high performance dynamic control of variable speed AC drives. It aims to:
  • develop your understanding of principles and acquire working knowledge of mathematical modelling of electrical machines
  • introduce the principles of control of variable speed electric drives using power electronic converters
  • introduce the concept of vector control as applied to induction machine.

Additional Information:This level 7 module introduces the advanced concepts of electrical machine modelling and high performance dynamic control of variable speed AC drives.

Assessments

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