2012
DOI: 10.1016/j.ijepes.2012.03.003
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Dynamic and pole-zero analysis of self-excited induction generator using a novel model with iron losses

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Cited by 29 publications
(27 citation statements)
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“…Com a frequência angular ( vezes o escorregamento do DFIG), ′ é obtida a partir de (20) e, consequentemente, 1 , 2 e , respectivamente a partir de (19), (25) e (26).…”
Section: A Metodologia Propostaunclassified
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“…Com a frequência angular ( vezes o escorregamento do DFIG), ′ é obtida a partir de (20) e, consequentemente, 1 , 2 e , respectivamente a partir de (19), (25) e (26).…”
Section: A Metodologia Propostaunclassified
“…Esta variação de ′ trata-se de uma consequência e desvantagem de se considerar as perdas no ferro e outras perdas de menor relevância (proporcionais ao quadrado da tensão) como agrupadas nesta resistência (que normalmente representa as perdas por efeito Joule no rotor, proporcionais ao quadrado da corrente), como tratado também em [19].…”
Section: Tabela III Estimação Dos Parâmetros Das Fts Do Rotorunclassified
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“…However, all other above mentioned losses take place somewhere between the induction machine's rotor (input power measurement point) and the electric load (output power measurement point) so they should be taken into consideration when estimating the system's losses or efficiency. In [5][6][7], it is shown that if the SEIG iron losses are omitted from the corresponding model, its efficiency is likely to be substantially overestimated. Moreover, in [7], it is shown that by omitting the iron losses from the SEIG vector control algorithm, highly reliable vector control cannot be achieved and detuning is likely to take place.…”
Section: Introductionmentioning
confidence: 99%
“…On the other hand, the stray losses and the mechanical losses (friction and windage) contribute to a lesser extent to the overall induction machine losses compared to the iron losses, especially when the induction machine is lightly loaded or operating with the rotor speeds lower than the rated speed. Even at rated conditions, the stray and mechanical losses only amount to about 3 % of the rated power [8,9], while the iron losses alone can exceed 7 % of the rated power [6,7]. As for the power converter losses, they have not yet been properly dealt with in the context of a vector controlled SEIG, especially for the case of aperiodic switching schemes, such as the hysteresis switching, which are not uncommon in induction machine vector control systems.…”
Section: Introductionmentioning
confidence: 99%