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Publikācija: Power Generator Mechanical Faults Effects on Electric Power Quality

Publication Type Full-text conference paper published in conference proceedings indexed in SCOPUS or WOS database
Funding for basic activity Unknown
Defending: ,
Publication language English (en)
Title in original language Power Generator Mechanical Faults Effects on Electric Power Quality
Field of research 2. Engineering and technology
Sub-field of research 2.3 Mechanical engineering
Authors Marina Čerpinska
Rihards Elmanis-Helmanis
Uģis Skopans
Keywords Power quality, unbalance, air gap
Abstract The principal objective of the paper is to establish the framework for power quality and vibration measurements assessment of hydropower generator. To meet the objective the set of measurements were performed on hydropower generating unit, using typical instrumentation like voltage analyzer for three-phase electrical networks, laser tachometer kit, vibration measurement equipment, air gap measuring system etc. The suggested framework states that electric voltage quality is affected by mechanical faults of power generator like rotor air gap eccentricity and stator poles faults, rotor and stator vibration characteristics and unbalance. The voltage characteristics were analyzed based on every generator pole. The proposed framework is beneficial for diagnosis of hydropower units since it relates electrical and mechanical analysis and provides example of data acquisition program suitable for further investigations
DOI: 10.1109/PQ.2014.6866799
Hyperlink: http://ieeexplore.ieee.org/document/6866799/ 
Reference Čerpinska, M., Elmanis-Helmanis, R., Skopans, U. Power Generator Mechanical Faults Effects on Electric Power Quality. In: Power Quality and Supply Reliability Conference (PQ2014): Proceedings, Estonia, Rakvere, 11-13 June, 2014. Tallinn: IEEE, 2014, pp.143-147. ISBN 978-1-4799-5020-1. e-ISBN 978-1-4799-5022-5. Available from: doi:10.1109/PQ.2014.6866799
ID 19376