Digital correction method for an H field sensor in power system EMC measurements

Q. Li, W.H. Siew, K. Walker, C. Piner, M. Stewart

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Analysis was conducted on the nature and characteristics of an H-field sensor for power system electromagnetic compatibility (EMC) measurements. Based on the original calibrated response curve of the magnetic-field (H) sensor and steepest descent theory, an analog model has been created to represent the sensor's transfer function. This function was converted into a set of digital algorithms by the bilinear transformation method, thus allowing subsequent signal processing on available software. The digital correction model for the sensor gives an estimated error of within 8% for all the relevant frequency components. The results present some general analysis methods for power system EMC measurements.
Original languageEnglish
Pages (from-to)952-956
Number of pages4
JournalIEEE Transactions on Power Delivery
Volume19
Issue number3
DOIs
Publication statusPublished - 2004

Keywords

  • electromagnetic compatibility
  • magnetic field measurement magnetic sensors
  • power engineering
  • computing
  • power system measurement
  • signal processing

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