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    中南大學學報(英文版)

    Journal of Central South University

    Vol. 9    No. 1    March 2002

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    Intelligent power factor compensation equipment
    of three phase low voltage loads
    LUOAn(羅安),DONGMi(董密),Richard Dzudzor

    College ofInformation Science and Engineering, Central South University, Changsha410083, China

    Abstract:An intelligent power factor correction scheme is presented for three phase lowpower factor loads .This newscheme is able to perform individual phase sensing of parameters bymonitoring at all times to sense a change in system parameters and affects individual phase correction by applying the exact amount of reactive components needed for each phase, and can also reduce negative sequence current caused by the load to improve system balance. An optimization criterion is used for the proper calculation of reactive power steps in a power compensation installation of capacitor banks. The criterion is enabled by sampling measurements performed on the electrical plant examined within specific interval of time.

     

    Key words: power factor correction; individual phase sensing; negative sequence current; system balance

    中南大學學報(自然科學版)
      ISSN 1672-7207
    CN 43-1426/N
    ZDXZAC
    中南大學學報(英文版)
      ISSN 2095-2899
    CN 43-1516/TB
    JCSTFT
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