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IEE Proceedings C - Generation, Transmission and Distribution

Issue 5 • Date July 1986

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Displaying Results 1 - 9 of 9
  • Comparison of generating and transmission systems for an offshore array of vertical-axis wind turbines

    Publication Year: 1986, Page(s):237 - 246
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1070 KB)

    Alternative electrical generation and transmission systems for an offshore wind-turbine array are studied and compared. A parametric analysis is carried out to assess the annual wind-turbine energy output as a function of the type of electrical generating system. The operational advantages of various generating systems are identified, complementing the economic studies in dealing with the choice o... View full abstract»

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  • Spectral decomposition and extrapolation of variations in electricity loading

    Publication Year: 1986, Page(s):247 - 255
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1043 KB)

    The possibility of using a frequency domain approach to forecasting short, medium and long term electricity consumption data is discussed in the paper. In particular, a new super-resolution spectral estimation technique allows for the decomposition of the variations in such data about selected trends and extrapolation beyond the limits of the original data. It is shown that for short- and medium-t... View full abstract»

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  • New approach for planning high-voltage transmission networks

    Publication Year: 1986, Page(s):256 - 262
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (698 KB)

    The capital investment required for transmission, subtransmission and distribution networks amounts to roughly over 50% of the total investment for the whole power system. Hence, the problem of planning these networks has received increased attention. The present paper proposes a new and simple planning approach. The process is initialised by considering all possible routes with the maximum allowa... View full abstract»

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  • Transient calculation of a transmission line using superposition law

    Publication Year: 1986, Page(s):263 - 269
    Cited by:  Papers (7)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (708 KB)

    A method of calculation of transmission line transients using the superposition law is developed in the paper. In the method, impulse responses of a multiphase transmission line, in which all the frequency-dependent effects of the line are taken into account, are first obtained in the actual phase domain using a Laplace transform method. Then the impulse responses are included in a transient calcu... View full abstract»

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  • Faults in parallel cables

    Publication Year: 1986, Page(s):270 - 276
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (900 KB)

    In dealing with the protective requirements concerning devices for the fault protection of circuits with several multicore power cables in parallel, it may be insufficient to consider only the equivalent impedance of the parallel conductors. It is shown in this paper that for a fault in one of the parallel cables, depending on the fault position, the effective impedance of the parallel conductors ... View full abstract»

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  • Developments in phase-variable modelling for thyristor-controlled reactive-power compensators

    Publication Year: 1986, Page(s):277 - 286
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1227 KB)

    Of the different control objectives of reactive-power compensators based on thyristor-controlled reactors, the advances in modelling methods and computer simulation of the paper relate specifically to the mode of voltage-magnitude control in which each phase is controlled individually. For this control objective, a comprehensive analysis formulation is developed in phase-variable notation in a for... View full abstract»

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  • Modelling of substation grounding grids

    Publication Year: 1986, Page(s):287 - 292
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (716 KB)

    The aim of this study is to perform scale model tests on various grounding grids with and without ground rods to determine their effective resistance to ground and the surface potential distribution during ground faults. The results obtained from the scale models will provide guidelines for accurate and safe design of modern complex grounding systems of AC substations. View full abstract»

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  • Book review: Short-Circuit Currents in Three-Phase Systems

    Publication Year: 1986
    IEEE is not the copyright holder of this material | PDF file iconPDF (154 KB)
    Freely Available from IEEE
  • Suppression of the high-frequency disturbances in low-voltage circuits caused by disconnector operation in high-voltage open-air substations

    Publication Year: 1986, Page(s):293 - 297
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (685 KB)

    The switching off and on of small capacitive currents charging busbar capacitances, connection conductors and open circuit-breakers with disconnectors causes high-frequency transients in high-voltage networks. In low voltage circuits, these transient processes induce dangerous overvoltages for the electronic equipment in the substation. A modified construction of the disconnector with a damping re... View full abstract»

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