Motorul electric al roții de hoverboard poate funcționa în regim de generator de curent alternativ. Montaj demonstrativ cu acest generator și un receptor trifazat. Calculul puterii active.
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Jet pack pioneer talks future of personal fight
Visions of a world with personal flight are a long-running fixture in movies and TV, but the reality has been slow to take off. Jet pack pilot Nick...




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