Power engineering letters: Acoustic energy shifting in transformer oil at different temperatures

Xiaodong Wang, Baoqing Li, Zhixiong Xiao, Onofrio L. Russo, Harry T. Roman, Ken Chin, Kenneth R. Farmer

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

In this letter, partial discharge (PD) acoustic waves for different temperatures have been detected using a piezoelectric acoustic sensor. The experiments results are analyzed using the Fast Fourier Transform (FFT). Calculations are shown to agree with the experimental results. This acoustic energy (AE) analysis appears to be an effective method to monitor the temperature of the transformer oil.

Original languageEnglish (US)
Pages (from-to)2356-2357
Number of pages2
JournalIEEE Transactions on Power Delivery
Volume20
Issue number3
DOIs
StatePublished - Jul 2005

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Keywords

  • Energy shifting
  • Partial discharge (PD)
  • Temperature

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