Moore, P.J. and Portugues, I. and Glover, I.A. (2006) Partial discharge investigation of a power transformer using wireless wideband radio-frequency measurements. IEEE Transactions on Power Delivery, 21 (1). pp. 528-530. ISSN 0885-8977Full text not available in this repository. (Request a copy from the Strathclyde author)
The remote detection of a transformer internal partial discharge (PD) has been demonstrated using mobile wideband radio-frequency receiving equipment. The PD is externally detectable due to coupling within the transformer tank, causing impulsive signals to be radiated from external connections. A wideband direction-finding technique using a four-antenna array has shown the source of the radiation to be the tertiary winding connections; the radiated impulse has characteristics typical of this method of emission. No other external site of radiation from the transformer was detected. Due to the lack of coupling to the primary and secondary windings, it is believed that the PD is present between the tertiary windings and the core.
|Keywords:||condition monitoring, location, partial discharges, power transformers, radiometric measurements, electrical systems, Electrical engineering. Electronics Nuclear engineering, Energy Engineering and Power Technology, Electrical and Electronic Engineering|
|Subjects:||Technology > Electrical engineering. Electronics Nuclear engineering|
|Department:||Faculty of Engineering > Electronic and Electrical Engineering|
|Depositing user:||Strathprints Administrator|
|Date Deposited:||09 Nov 2007|
|Last modified:||21 Oct 2016 02:08|