dspaceThe Cape Peninsula University of Technology (CPUT) Electronic Theses and Dissertations (ETD) repository holds full-text theses and dissertations submitted for higher degrees at the University (including submissions from former Cape Technikon and Peninsula Technikon).

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dc.contributor.advisorde Beer, DaanEN
dc.contributor.advisorVan der Byl, AndrewEN
dc.contributor.authorNsumbu, Cassandra Daviane
dc.descriptionThesis (MTech (Electrical Engineering))--Cape Peninsula University of Technology, 2014.en_US
dc.description.abstractThe application of digital control techniques has become dominant in power electronics owing to several advantages they present, when compared to analogue solutions. Their development is based on the use of microprocessors and microcontrollers, such as Application Specific Integrated Circuit (ASIC), Digital signal processors (DSP), Field Programmable Gate Arrays (FPGA), or a combination of these devices. This thesis presents an investigation of a soft-core based FPGA control system as a solution for power electronic applications. The aim was the development and implementation of a conversion controller, which purpose is to supply control inputs in the form of digital Pulse Width Modulation (PWM) signals, to a number of power electronic applications, such as single half and full bridge DC-DC converters, three phase and multicell inverters. The PWM control technique is achieved via their power semiconductor switching devices. These PWM control signals are necessary for the high frequency conversion of an analog input voltage (AC, DC or unregulated) to an analog output voltage of another level (AC or DC). This was intended to be achieved by exploiting and combining the advantages that FPGA and embedded processors provide such as high reconfigurability and multipurpose ability. This controller’s digital outputs, namely PWM switching signals, can be directly delivered to an analog signal amplification circuit to create an adequate voltage level before being processed by the converters’ switches.en_US
dc.publisherCape Peninsula University of Technologyen_US
dc.subjectPower electronicsen_US
dc.subjectField programmable gate arraysen_US
dc.subjectDigital control systemsen_US
dc.subjectDigital control systems -- Design and constructionen_US
dc.subjectPulse-duration modulationen_US
dc.subjectPulse modulation (Electronics)en_US
dc.titleDevelopment of a soft-core based power electronic conversion controlleren_US

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