Synchronous generator fault diagnosis using shaft signal measurements

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dc.contributor.author Hoffe, Simon John
dc.date.accessioned 2007-02-26T11:40:10Z
dc.date.available 2007-02-26T11:40:10Z
dc.date.issued 2007-02-26T11:40:10Z
dc.identifier.uri http://hdl.handle.net/10539/2124
dc.description Student Number :0008015M - MSc Dissertation - School of Electrical and Information Engineering - Faculty of Engineering and the Built Environment en
dc.description.abstract Shaft voltages and currents are an unavoidable characteristic of rotating machines, though they are typically a nuisance this work shows that shaft signals can be used for fault diagnosis. This work focussed on shaft voltages present on synchronous generators. Measurements on a 4-pole generator found that the angular position of the shaft could be determined from the shaft voltage. An experimental 20 kVA 2-pole synchronous generator was designed and built which resembled a full-size 600 MVA turbo-generator. The effects of a static eccentricity on the shaft voltage were successfully determined firstly through FEM simulation and then verified with physical measurements. Shaft voltages can be used to diagnose static eccentricity, future work should investigate other faults. In addition, computer simulation was found to be effective and simulation and measurements of operating machines (such as turbo-generators) should be considered. en
dc.format.extent 3408914 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.subject synchronous generator en
dc.subject fault en
dc.subject shaft en
dc.subject signal en
dc.subject voltage en
dc.subject current en
dc.subject maxwell en
dc.subject FEM en
dc.subject simulation en
dc.title Synchronous generator fault diagnosis using shaft signal measurements en
dc.type Thesis en


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