The analysis of shaft voltages in a synchronous generator with various induced faults

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dc.contributor.authorde Canha, Daniel
dc.date.accessioned2012-07-19T08:59:12Z
dc.date.available2012-07-19T08:59:12Z
dc.date.issued2012-07-19
dc.description.abstractAxial shaft voltages have been investigated as a condition monitoring tool for turbo- generators. It was found that static air-gap eccentricity in a 20 kW, 2 pole syn- chronous generator, which was designed and built to mimic a larger 660 MW set, can be diagnosed using the shaft voltage. The shaft voltage in this experimental alternator has been simulated using 2D finite elements method (FEM) software. This software has been used to explain some of the causes of the shaft voltage in this generator. It was confirmed that shaft signals are primarily caused by construc- tional asymmetries. The FEM software has also been used to study the effects of various faults on the shaft voltage in a time efficient manner. These faults should be investigated experimentally in future work.en_ZA
dc.identifier.urihttp://hdl.handle.net/10539/11703
dc.language.isoenen_ZA
dc.titleThe analysis of shaft voltages in a synchronous generator with various induced faultsen_ZA
dc.typeThesisen_ZA
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