A reduced multivariate-polynomial model for estimation of electric load composition

Soon Lee, Jung Wook Park

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


This paper describes the estimation of the electric load composition on a consumer side of a distributed power system. That is to say, the purpose of estimation is to determine the amount of each load class with respect to the total electric current waveform from instrument reading. To carry out this work, the reduced multivariate-polynomial model is applied when the distributed power system has the electric loads supplied from the different voltage level through a nonideal transformer. The estimation problem in this paper is also considered with relation to the power-quality issue.

Original languageEnglish
Pages (from-to)1333-1340
Number of pages8
JournalIEEE Transactions on Industry Applications
Issue number5
Publication statusPublished - 2008

Bibliographical note

Funding Information:
Paper ICPSD-07-31, presented at the 2007 Industry Applications Society Annual Meeting, New Orleans, LA, September 23–27, and approved for publication in the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS by the Power Systems Engineering Committee of the IEEE Industry Applications Society. Manuscript submitted for review October 31, 2007 and released for publication February 16, 2008. Current version published September 19, 2008. This work was supported by MOCIE under the EIRC program with the Yonsei Electric Power Research Center (YEPRC), Yonsei University, Seoul, Korea.

All Science Journal Classification (ASJC) codes

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering


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