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2 Zeszyty Naukowe. Elektryka / Politechnika Opolska

2 2009

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Location Of The Partial Discharges By The Acoustic Emission Method Using The Rogowski Coil

Witkowski P.

Zeszyty Naukowe. Elektryka / Politechnika Opolska

2009

z. 62

73-74

In this paper, results of the research on acoustic emission (AE) signals, which arise during the partial discharges (PDs) generation inside transformer tank filled with synthetic oil, are described. The Rogowski coil is used to determine the propagation time. The signals registered as a function of time are then transformed into the frequency domain using FFT and STFT.

A Mobile Measuring System For Analysis Of Partial Discharge Phenomena By The Acoustic Emission Method

Błachowicz A.

Zeszyty Naukowe. Elektryka / Politechnika Opolska

2009

z. 62

13-14

The paper presents a design project for a mobile system for measuring of parameters of partial discharges (PDs) [1] that occur in insulation of electric power capacitors for compensation of reactive power. Measurements are carried out using acoustic emission (AE) method.