On permeance modeling of large hydrogenerators with application to voltage harmonics prediction / Ranlöf, M. in IEEE transactions on energy conversion, Vol. 25, N° 4 (Décembre 2010)  

Public ISBD [article]  inIEEE transactions on energy conversion > Vol. 25, N° 4 (Décembre 2010) . - pp. 1179 - 1186 Titre : On permeance modeling of large hydrogenerators with application to voltage harmonics prediction Type de document : texte imprimé Auteurs : Ranlöf, M., Auteur ; Perers, R., Auteur ; Lundin, U., Auteur Année de publication : 2011 Article en page(s) : pp. 1179 - 1186 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : Harmonics  hydroelectric generators  losses Résumé : In this paper, a permeance model that can be employed to estimate the no-load damper current loss and voltage waveform harmonics in large hydrogenerators is presented. The importance of modeling the damper magnetomotive force and inductances correctly is emphasized, and detailed descriptions are presented. The computed harmonics are compared with values obtained from time-stepped finite-element calculations and measured data. The results are in good agreement. The influence of pole-to-pole damper bar connections, and of the number of damper bars on the voltage waveform, is explained. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5445012&sortType%3Das [...] [article] On permeance modeling of large hydrogenerators with application to voltage harmonics prediction [texte imprimé] / Ranlöf, M., Auteur ; Perers, R., Auteur ; Lundin, U., Auteur . - 2011 . - pp. 1179 - 1186. energy conversion Langues : Anglais (eng) in IEEE transactions on energy conversion > Vol. 25, N° 4 (Décembre 2010) . - pp. 1179 - 1186 Mots-clés : Harmonics  hydroelectric generators  losses Résumé : In this paper, a permeance model that can be employed to estimate the no-load damper current loss and voltage waveform harmonics in large hydrogenerators is presented. The importance of modeling the damper magnetomotive force and inductances correctly is emphasized, and detailed descriptions are presented. The computed harmonics are compared with values obtained from time-stepped finite-element calculations and measured data. The results are in good agreement. The influence of pole-to-pole damper bar connections, and of the number of damper bars on the voltage waveform, is explained. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5445012&sortType%3Das [...]

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