The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Estimation of Harmonic Sources in a Power System using Recursive Least-Squares Technique

회귀 최소 자승법을 이용한 고조파 발생원 추정 연구

  • 한종훈 (고려대 공대 전기전자공학과) ;
  • 이계병 (고려대 공대 전기전자공학과) ;
  • 박창현 (부경대 공대 전기공학부) ;
  • 장길수 (고려대 전기전자전파공학부)
  • Received : 2011.01.25
  • Accepted : 2011.08.17
  • Published : 2011.09.01
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Abstract

A technique to allocate responsibilities among the interested parties in electric power system with harmonic voltage distortion at the point of common coupling (PCC) has been presented. The recursive least-squares technique has been used to estimate the parameters of the Thevenin equivalent load model. The validity of the technique has been verified using a simulation which considered the voltage waveform distortion at the PCC between the utility and two industrial consumers. With the estimated data from the measured voltage and current waveform at the PCC, the individual contributions to the distortion of voltage waveform at an interested harmonic frequency have been calculated and could provide a flexible solution to identify the source of harmonic pollution in distribution systems.

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References

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