pn-45 tipli dvigatel uchun transformator tanlash bo‘yicha kurs ishi

andijon mashinasozlik institutining elektrotexnika fakulteti e.e.eyonalish k91.21-guruh talabasi bozorov muhammadyusufning e m t a o' t fanidan tayorlagan kurs ishi menga berilgan divigatning tip pn-45 dvigatelning naminal quvvati 4.4kvt dvigatelning naminal kuchlanishi 220v dvigatelning naminal toki 23.5a dvigatelning minimal aylanish tezligi 1500-2100ayl/min men ushbu dvigatelningquvatiga qarap transformator tanlap oldim yani: st=ks•kv•u2•id•10-³ st=1,045•2,34•108,1•23,5•10-³=6,21kva tmg-10 tipidagi transformatorni tanlaymiz, uning texnik ma’lumotlari: sht=10kva, u1yu=380 v, u2h=220v, δpxx=0,056vt – salt yurish isroflari, δrqt=0,36vt – qisqa tutashuv isroflari, uqt=4,89% ─ qisqa tutashuv kuchlanishi transfarmatorni quyidagi shartlarboyicha ttekshirip oldim yani 1) sht=10kva≥st=6,21 kva ─...

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