自然科学版 英文版
自然科学版 英文版
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中南大学学报(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(罗安),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

中南大学学报(自然科学版)
  ISSN 1672-7207
CN 43-1426/N
ZDXZAC
中南大学学报(英文版)
  ISSN 2095-2899
CN 43-1516/TB
JCSTFT
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