MEng Mechatronic Engineering

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BRIEF DESCRIPTION OF THE UNIT:

This unit will equip the students with the necessary fundamentals behind the technology underpinning the power system elements performing the energy conversion process. The unit will give an overview of the structure, function and applications of electrical energy conversion systems and their representation.

Electrical Machines (15 hours)

• Principles of operation of synchronous and asynchronous electrical machinery, and their reduced steady state equivalent circuits.  
• Principles of dynamic modelling using dq theory (reference frame theory, unit conversion, dynamic equations). 
• Asynchronous machine dynamic models and implementation (derivation of dynamic equations, software implementation of models).
• Synchronous machine dynamic models and implementation (derivation of dynamic equations, software implementation of models). 
• Reduced order dynamic modelling.
• Doubly-fed induction generator operating principles.
• Fully-rated machinery operating principles.

Power Electronics (15 hours)

• Fundamentals of power electronic switches such as IGBTs and diodes.
• Principles, operation and modelling of single - and three-phase rectifiers (software implementation of models).
• Principles, operation and modelling of single - and three-phase inverters (software implementation of models).
• Modelling, control and modulation of two-level voltage-source inverters.
• Introduction to multi-level converter topologies (internal design and inner control loops).
• Implementation, modelling and analysis of inverters for renewable energy interfaces.
• Introduction to load modelling in power systems.

The unit aims to: Provide students with an understanding of the principles behind electrical machines and power electronics used in the power system and associated applications, and enable students to model these systems using mathematical representations and simulation tools. This unit will help the student to understand the fundamentals of the dynamic modelling theory of electric machines and the relevant systems of equations representing the dynamic behaviour of these devices. The students will also learn how to implement, set up and execute these standard dynamic machine models in software. The unit will also introduce the fundamental operating principles of the relevant power electronic switches and build on this to teach the principles of operation of power electronic converters and how the operation of these devices is mathematically represented and analysed.

On successful completion of this unit, a student will be able to:	Topic:
ILO 1: Evaluate and compare the operation and behaviour of fundamental power electronic devices (Diodes/IBGTs/MOSFETs/Thyristors)	Power Electronic Devices
ILO 2: Design, evaluate and mathematically analyse/solve operation and behaviour of fundamental power electronic systems (inverters/rectifiers)	Power Electronic Systems
ILO 3: Build models and develop analysis of electric machines and basic equivalent models.	Electric machines
ILO 4: Build models and evaluate – analyse behaviour of electrical machines with dynamic models.	Dynamic machine models
ILO 5: Classify renewables (wind and solar), develop models, and analyse the renewable connection via converters to power systems.	Renewables

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