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Sieci komórkowe i ich cyfrowa transmisja sygnału, pozwalają na wykorzystanie ich możliwości, które są łatwe do uzyskania, do budowy systemu pomiarowego. W celu dostosowania systemu zdalnego monitoringu do jego specyficznych wymagań, niezbędne jest odpowiednie wyposażenie, umożliwiające rejestrowanie i przesyłanie danych w sieci GSM lub Internet. W artykule autorzy opisują ciekawy przypadek uszkodzeń...
In this article issues related to the analysis of machine vibration PMSM based on waveforms of back-EMF have been presented. Computer calculations have been carried out using FEM software. The results are presented in the form of hodographs in stationary reference frame. The correctness of the calculations was confirmed by laboratory tests. The obtained results allow to conclude that the intensity...
The paper presents a new vibration diagnostic method designed for diagnose of permanent magnets (PM) generators. Those machines are commonly used in small wind turbines. Specific structural properties of machines excited by permanent magnets are used in this method — electromotive force (EMF) is generated due to vibrations. Several issues will be discussed in this article: the genesis of the method,...
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