avtotransformatorlar
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About "avtotransformatorlar"
yokilgi energetika majmui 8-mavzu. avtotransformatorlar tuzilishi va ishlash prinsipi. transformatorlarda kuchlanishni rostlash. 1 6 7 8 transformatorlarda kuchlanishni rostlash usullari va vositalari transformatorlarning ish jarayonida ikkilamchi chulg‘am kuchlanishini rostlash zarurati quyidagilarga binoan vujudga keladi. 1. elektr uzatish liniyasidagi kuchlanishning pasayishidan vujudga kela-digan holda birlamchi kuchlanish qiymatini kam (510%) miqdorda o‘zgarti-rib, ikkilamchi kuchlanish u2 ning qiymatini o‘zgartirmay (u2 const) turish. 2. birlamchi kuchlanish u1 const bo‘lganda ikkilamchi kuchlanish u2 ning qiymatini keng ko‘lamda rostlash. bu ikkala holda ham ikkilamchi chulg‘am kuchlanishi u2 transformatsiyalash koeffitsienti « k » ni o‘zgartirish yo‘li bilan rostlanadi. 1-holda ...
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