2018 53rd International Universities Power Engineering Conference (UPEC)

4-7 Sept. 2018

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  • [Front cover]

    Publication Year: 2018, Page(s): c1
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  • [Title page]

    Publication Year: 2018, Page(s): i
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  • [Copyright notice]

    Publication Year: 2018, Page(s): i
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  • UPEC 2018 Welcome

    Publication Year: 2018, Page(s):i - lxvi
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  • UPEC 2018 Committees

    Publication Year: 2018, Page(s): i
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  • UPEC 2018 Technical Programme

    Publication Year: 2018, Page(s):i - xlvii
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  • Decentralized Smart Multi-Agent Voltage Regulation in Electric Grids. Ideology and Modeling

    Publication Year: 2018, Page(s):1 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (527 KB) | HTML iconHTML

    The paper presents the principles of constructing Decentralized Multi-Agent System of compromising regulation of voltage in electric grids with the voltage of 0,4 – 110 kV by distributed means of compensation of reactive capacity, the possibilities of its modeling and the results of research of its operating capability and efficiency on a concrete example, including the one with the use of innovat... View full abstract»

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  • Optimisation and Simulation of RC Time Constants in Snubber Circuits

    Publication Year: 2018, Page(s):1 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (901 KB) | HTML iconHTML

    Semiconductor devices are subjected to elevated levels of stresses when used at high voltage high current and temperature applications. This stress is mainly due to hard switching which is proportional to the switching frequency. This paper presents methods used to remove this energy to prevent expensive switch damage due to overheating and high dv/dt oscillations. In confirmation of the research ... View full abstract»

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  • Power Switching Device Losses – Simulation and Non-Simulation Methods of Calculations

    Publication Year: 2018, Page(s):1 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1006 KB) | HTML iconHTML

    In the design and manufacture of power supplies and converters, commercial factors demand high efficiency figures in the operation and performance of these products. Potential loss areas in the circuits are identified to achieve minimum losses [1] [2]. One of the main component contributing to losses in converters is the switching device.The methods to calculate switching loss [3] are complex and ... View full abstract»

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  • A Modified P&O-MPPT based on Pythagorean Theorem and CV-MPPT for PV Systems

    Publication Year: 2018, Page(s):1 - 6
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (785 KB) | HTML iconHTML

    Maximum power point tracking MPPT techniques are a crucial part in photovoltaic PV system design to maximise the output power of a PV array which depends on weather conditions. Although several techniques have been developed, Perturb and Observe P&O is widely used for MPPT due to its low cost and simple implementation. However, the main drawbacks of this method are a low converging time, high ... View full abstract»

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