Protection Assessment using Reduced Power System Fault Data

Research output: Contribution to journalArticlepeer-review


Wavelet transforms provide basis functions for time-frequency analysis and have properties that are particularly useful for the compression of analogue point on wave transient and disturbance power system signals. This paper evaluates the compression properties of the discrete wavelet transform using actual power system data. The results presented in the paper indicate that reduction ratios up to 10:1 with acceptable distortion are achievable. The paper discusses the application of the reduction method for expedient fault analysis and protection assessment.
Original languageEnglish
Pages (from-to)172-177
Number of pages6
JournalJournal of Electrical Engineering and Technology
Issue number2
Publication statusPublished - Jun 2007

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Energy Engineering and Power Technology

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