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Solar photovoltaic electricity has become a well-accepted and popular form of renewable energy. It is also a policy of Otago Polytechnic to look at ways of becoming more sustainable and cost effective in its energy usage. As a result, an investigation is conducted into the potential use of PV electricity. This paper presents the results of a study into the economic viability of implementing a grid-connected...
This paper presents an engineering design of a real-time fault monitoring method for power-on-wheel electric vehicles, which have four independent wheel units. Each independent unit has an in-wheel motor with its own steering control system. A central control unit is used to coordinate the four wheels and translate the driver's idea onto the wheels, as such there is no mechanical link between these...
This paper describes the development of a novel three-phase phase-locked loop (PLL) used to compensate for mains variations by being incorporated as part of a feedforward loop in a three-phase telecommunications power converter. A telecommunications converter must comply with industry standards, in particular the psophometric noise standard CCIF-1951; this is achieved by controlling the output voltage...
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