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The aim of the paper was to show how cooling of silicone photovoltaic cells influences the amount of electrical energy they produce. The research was conducted both in the laboratory and under real outdoor conditions. Current-voltage characteristics for two different thermal states of PV cells were outlined. Obtained power values for a PV cell working under the influence of refrigerant and without...
Przedstawiono wyniki badań dotyczących oceny wybranych parametrów energetycznych i eksploatacyjnych dwóch agregatów do przedsiewnej uprawy wyposażonych w różne sekcje spulchniające. Określono opory robocze, a następnie moce uciągu i potrzebną moc efektywną ciągnika. Stwierdzono, że w zakresie wydajności i zapotrzebowania mocy agregaty nie różnił się istotnie od oferowanych na rynku produktów renomowanych...
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