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In this paper, the effects of a high temperature storage on phase inductance, ohmic and iron losses and coil quality of the stator windings are investigated. For better significance, 19 stators with different impregnation materials and methods are tested on Arrhenius basis for a useful life of 8000 hours. The results clearly show that, although the insulation resistance and phase-to-ground dissipation...
In this paper, a system of coupled and interacting models for dynamic electric and thermal behavior of an electrical machine is presented. The models are specifically designed for maximum execution speed and are suitable for simulating the machine behavior over long time periods and even the entire lifetime of the machine. Nevertheless, the results proved to be remarkably accurate. Arbitrary electrical...
HintergrundDie BESD-Skala zur Beurteilung des Schmerzes bei Demenz ist eine deutsche Übersetzung der PAINAD-Scale mit den Beobachtungskategorien Atmung, negative Lautäußerungen, Gesichtsausdruck, Körpersprache und Reaktion auf Tröstung. Die vorliegende Untersuchung prüft die Konstruktvalidität der deutschen Fassung.Patienten und MethodeEs handelt sich um eine prospektive einfaktorielle Beobachtungsstudie...
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