Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 58 for “"0906 Electrical and Electronic Engineering"”.
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Implementation of a digital signal processing (DSP) boost inverter for fuel cell energy generation
This thesis investigates and implements the use of a microprocessor called Digital Signal Processors (DSP) as a controller in the design of a low power inverter used in Fuel Cell energy source. The fuel cell used in this research is a Heliocentris “Constructor”, a 50W proton exchange membrane (PEM) …
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Development of control techniques for direct AC‐AC matrix converter fed multiphase multi‐motor drive system
… such as paper mills, locomotive traction, oil and gas, mining and machine tools, which require high performance control of more than one electric motor simultaneously. When more than one electric motors are employed in an electric drive, it is called, ‘multi‐motor drive’. These multi‐motor …
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Implementation of the IEC61850 international protocol for accurate fault location in overhead transmission lines
… Systems (SAS). Free marketing, deregulation and competition has brought about greater restrictive requirements to produce reliable, continuous and good-quality power supply, without a significant increase in the cost of delivery. For this reason, engineers ever since the development of the …
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Implementation of Renewable Energy to Reduce Carbon Consumption and Fuel Cell as a Back-up Power for National Broadband Network (NBN) in Australia
A reliable power is paramount and loss of power to communication equipment can mean loss of service to clients and loss of millions of dollars to industries. Also, climate is changing; greenhouse gas emissions from human activity are the major cause for global warming.
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New Methods for Reliability Evaluation and Enhancement of Power Systems
… interconnected, interdependent, load sharing and phased mission systems. Reliability of such complex power systems is very important in design, planning, installation and maintenance to provide electrical energy as economical as possible with an acceptable degree of reliability. In this thesis …
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Design and development of a communication-assisted microgrid protection system
… energy industry. Such developments in technology and the move towards cleaner sources of energy have made renewable resources based Distributed Generators (DGs) more desirable.
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Direct current distribution systems for residential areas powered by distributed generation
… However, this was soon rivalled by AC power and ultimately DC paradigm found itself quite obsolete, against the ongoing urge to adapt in favor of higher efficiency. AC became the choice for power transfer in all areas of the power system namely generation, transmission, sub-transmission and …
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Practical multiuser detection algorithms for CDMA
… These include the adaptive receiver and the interference canceller. The overall complexity of implementing them is examined. The effects of the proposed algorithms on reducing of multiple access interference (MAI) and their resistance to the Near Far Effect (NFE) will be explored.
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Impacts of distributed generation on Smart Grid
… of distributed generation issues can be solved and minimised. This thesis discusses the impacts of distributed generation on Smart Grid technology, in particular it identifies and determines whether the system remains stable or not after installing distributed generation into Smart Grid systems. …
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A reconfigurable high speed analog to digital converter architecture for ultra wideband devices
… speed low power data communication, Ultra Wideband (UWB) medium has the potential to revolutionise wireless data transmission and reception. A core component of any communications device is its ability to convert real time analog signals to discrete values for fast and efficient processing. This …
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A new algorithm for load shedding in an industrial cogeneration power plant
This thesis presents a new algorithm for an industrial power plant with cogeneration in operation. The new algorithm was developed to satisfy industrial cogenerator's requirements in load shedding.
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Fault detection and location on 22kV and 11kV distribution feeders
… to meet the distribution network performance standards set by the Victorian government's Essential Services Commission (ESC). Two performance measures are of major importance: average minutes off supply per customer and average number of intermptions per customer. These performance measures are …
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Fault location on EHV lines using wideband spread spectrum techniques
Electrical authorities require fast and accurate fault locators to protect tha quality of supply and reduce outage times. Spread spectrum techniques perform well in high noise environments such as power lines and their use in radar ranging is well known. Existing power line carrier (PLC) equipment …
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Design and implementation of a reconfigurable data acquisition integrated circuit
… that is used to gather data from real world and make sense of it. For some time, engineers have attempted to develop electronic systems able to extract and process the real world signals and turn them into useful data. Initially this development was done using analog technology. However, …
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Application of modal analysis using adaptive schemes of interference cancellation for power line carrier communication systems
… of power system control, protection, operation and SCADA, there is a need to have a very reliable telecommunication network to provide data transmission in steady state and transient conditions of the system. Integrity of the data should be verified with the use of different back-up …
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A sequential approach of solving second order AC-DC load flow and state estimation problem
Load flow and state estimation problems are solved for an economic and efficient operation, and an effective and stable control of the power system. Several methods are available to solve these problems, yet new ones are developed with a view to enhance the computational efficiency and convergence …
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A spectroscopic study of Nd3+ and Pr3+ doped fluorozirconate glass
This work is an investigation of praseodymium and neodymium doped fluorozirconate glasses with consideration given to applications in medicine, optical data storage and printing, communications and research.
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Power system stabilisers using fuzzy logic and neural networks
This thesis investigates the use of fuzzy logic and neural networks in the design of power system stabilisers.
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Advanced microprocessor based intelligent relay for multifunction protection system
… the power to assure maximum continuity of electrical service with minimum damage to life and property. Thus, they are on guard throughout - from the generation, through transmission, into distribution and utilisation. They are found in large and small systems, in the power companies and in …
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An adaptive agent architecture for the design of complex decision support system with applications to power system protection
… the industry. However, to build a good, robust and efficient application system, the architecture must be designed properly and with care. It is the architecture that eventually builds up the core of an operational system. Therefore, serious thought and consideration must be given to the study …
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