COE Thesis and Final Year Project (FYP)

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COE Thesis and Final Year Project (FYP)

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Browsing COE Thesis and Final Year Project (FYP) by Subject "Acoustic emission testing"

Now showing 1 - 4 of 4
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    Characterization of acoustic emission signal using wavelet transform
    (2012)
    Kamalesh A/L Nadaraju
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    This project aims to show that the wavelet transform proves to be a powerful tool in assisting the partial discharge source detection and locating it as well. This project basically uses two test signals to show how the wavelet transforms works. Before showing any result produced by the wavelet transform in matlab, fourier transform is done first to show the results obtained. Next wavelet results are done to show the differences between different frequency domains transform. Here we get to see that wavelet already shows its advantages from the three dimensional view it from as a result. This help us to see the whole signal clearer. The ability to analyze by rotating the signal makes it even easier for data analysis.
      5  4
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    Publication
    Classification of partial discharge (PD) sources from acoustic emission signal in oil-pressboard insulation system
    (2012)
    Muhammad Zul Helmi Bin Abd Hadi
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    This thesis addresses the pattern classification of different types of partial discharge sources from acoustic emission (AE) signals in the time-frequency representation. This research work consists of the acoustic emission of partial discharge experimental setup, analysis in time-frequency representation, features extraction of the time-frequency representation and lastly the classification of partial discharge signals from three different types of sources in the experimental tank.
      2  4
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    Detection of partial discharge using acoustic emission system
    (2009)
    Mohd Syamsul Bin Mohd Jaafar
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    This thesis works on the user friendly procedures or guidelines for the Acoustic Emission (AE) detection of Partial Discharge (PD). In order to do that, the understanding on PD phenomena is needed. PD as its name would suggest, is an electrical discharge that occurs across a portion of the insulation between two conducting electrodes, without completely bridging the gap. This thesis will explain the types of PD detection methods that are being used worldwide such as laboratory methods, differential discharge bridge and also AE methods. Other important notes in PD are the different types of PD such as internal discharge, surface discharge and corona discharge. Secondly is the understanding on AE. AE is a naturally occurring phenomenon whereby external stimuli such as mechanical loading generate sources of elastic waves.
      3  8
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    Publication
    Development of an experimental set up for the detection of simulated partial discharges using acoustic emission system
    (2010)
    Iynggaran M.Seva Bala Sundaram
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    This project report comprises of my study on creating an experimental setup to simulate the creation of partial Discharge. Partial Discharge test detection method which was studied in this project was the Acoustic Emission method. In line with this requirement, I have done literature survey regarding Partial Discharge phenomena. This includes a background study of when, where and how it occurs. The scope of this project has been simulation of Partial Discharge in a transformer. Thus the final product as the deliverable of the project is the discharge circuit.
      5  11