NDLI: Prediction of the no-load voltage waveform of laminated salient-pole synchronous generators

Content Provider	IEEE Xplore Digital Library
Author	Keller, S. Xuan, M.T. Simond, J.-J.
Copyright Year	2005
Description	Author affiliation: Lab. de Machines Electriques, Ecole Polytech. Fed. de Lausanne, Switzerland (Keller, S.; Xuan, M.T.; Simond, J.-J.)
Abstract	This paper presents a combined analytical and FEM method for prediction of the no-load voltage waveform of laminated salient-pole synchronous generators. The described method takes into account saturation effects as well as the damper bar currents due to the slot pulsation field. The method calculates first the damper bar currents and then includes them in the calculation of the no-load voltage. The combination of magnetostatic 2D finite element simulations for calculating the magnetic coupling between the machine windings and of an analytical resolution, results in a very precise prediction of the no-load voltage. At the same time simulation time is drastically reduced, compared to transient magnetic 2D finite element simulations. The method was verified on several examples, comparing the obtained results (damper bar currents and no-load voltage) to results obtained from transient magnetic finite element simulations and in one case to the measured no-load voltage. A tool, implementing this method, is currently used by one of our major industrial partners. It is planned to use this method for analysis of the effects of various rotor eccentricity conditions in salient-pole synchronous generators.
Starting Page	2265
Ending Page	2271
File Size	345130
Page Count	7
File Format	PDF
ISBN	0780392086
ISSN	01972618
DOI	10.1109/IAS.2005.1518776
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-10-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Damping Analytical models Voltage Magnetostatic waves Predictive models Synchronous generators Shock absorbers Magnetic analysis Finite element methods Saturation magnetization
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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