Determination of optimal transformer noise levels in outdoor substations using pseudo-inverse

Hideaki Tanaka, Daiki Yamashita, T. Niimura, Ryuichi Yokoyama

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Transformers in outdoor substations often need to comply with strict noise regulation standards in urban areas. In this paper the authors propose a practical method for determining the acoustic noise levels of transformers to be reduced in an urban outdoor substation. The proposed algorithm is based on a pseudo-inverse calculation using an empirical formula for noise levels at the boundary points around the substation premises. Necessary input parameters are three dimensions of each transformer and distance between transformers and each boundary point. By solving the pseudo-inverse problem of the linear system, the sum of transformer noise levels that is achievable by minimum upgrade cost is determined. The proposed method is demonstrated on a model substation and a real primary substation. Solutions were also compared with an optimal solution obtained by Linear Programming that minimizes the sum of transformer noise level reductions with the minimum cost.

Original languageEnglish
Title of host publication2009 IEEE/PES Power Systems Conference and Exposition, PSCE 2009
DOIs
Publication statusPublished - 2009
Event2009 IEEE/PES Power Systems Conference and Exposition, PSCE 2009 - Seattle, WA
Duration: 2009 Mar 152009 Mar 18

Other

Other2009 IEEE/PES Power Systems Conference and Exposition, PSCE 2009
CitySeattle, WA
Period09/3/1509/3/18

Keywords

  • Acoustic noise
  • Noise reduction
  • Power transformer
  • Pseudo-inverse
  • Substation
  • Transformer upgrade

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Control and Systems Engineering
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Determination of optimal transformer noise levels in outdoor substations using pseudo-inverse'. Together they form a unique fingerprint.

  • Cite this

    Tanaka, H., Yamashita, D., Niimura, T., & Yokoyama, R. (2009). Determination of optimal transformer noise levels in outdoor substations using pseudo-inverse. In 2009 IEEE/PES Power Systems Conference and Exposition, PSCE 2009 [4840157] https://doi.org/10.1109/PSCE.2009.4840157