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Goodman, Andrew Simon (2007) Direct energy converter controllers for switched reluctance motor operation. PhD thesis, University of Nottingham.

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Abstract

There is increasing demand for simple motor drives offering high reliability and fault tolerance in applications such as the aerospace actuator industry, with the development of `more electric aircraft'.

This thesis presents a motor drive employing a switched reluctance motor, the novel single sided matrix converter, and a novel double band hysteresis based control scheme for control of the converter, implemented using a field programmable gate array (FPGA).

The single sided matrix converter is a direct energy converter, capable of supplying unidirectional currents from a multiphase AC voltage source. It is suitable for driving motors such as the switched reluctance motor and trapezoidal permanent magnet direct current (PMDC) machine. The use of a direct energy converter removes the DC link energy storage element usually found in switched reluctance motor drives, making practical implementation possible without the use of electrolytic capacitors. This is a requirement for applications in the aerospace industry. Controller implementation without the use of a digital signal processor (DSP) makes application of the converter in the aerospace industry easy as specific DSP approval is not required.

Simulations of the converter operation are presented, followed by a description of the practical implementation of the novel converter and control schemes. Practical results demonstrate the reliable operation of the converter, driving both switched reluctance and trapezoidal PMDC machines.

The work has been published in three conference papers, presenting both the topology of the drive and the applied control schemes, as well as analysing the fault tolerant capabilities of the drive.

Item Type:	Thesis (University of Nottingham only) (PhD)
Supervisors:	Bradley, K.J. Wheeler, P.W.
Keywords:	SR, Switched Reluctance, Converter, Single Sided Matrix Converter, SSMC, Matrix Converter, FPGA, Field Programable Gate Array, Hysteresis
Subjects:	T Technology > TK Electrical engineering. Electronics Nuclear engineering
Faculties/Schools:	UK Campuses > Faculty of Engineering > Department of Electrical and Electronic Engineering
Item ID:	10333
Depositing User:	EP, Services
Date Deposited:	20 Mar 2008
Last Modified:	14 Oct 2017 11:24
URI:	https://eprints.nottingham.ac.uk/id/eprint/10333

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