elektrotexnika instituti kurs ishi

prezentatsiya powerpoint andijon mashinasozlik institutining elektrotexnika fakulteti eeeyonalish k91-21-guruh talabasi muhitdinov sunnatilloning emtaeot fanidan tayorlagan kurs ishi menga berilgan divigatelning tip 4pnm132m04 dvigatelning naminal quvvati 10,60kvt dvigatelning naminal kuchlanishi 220v dvigatelning naminal toki 54,9a dvigatelning minimal aylanish tezligi 3000ayl/min men ushbu dvigatelning quvvatiga qarab transformator tanlab oldim yani: st=ks•kv•u2•id•10-³ st=1,045•2,34•108,1•54,9•10-³=14,51kva tmg-25 tipidagi transformatorni tanlaymiz, uning texnik ma’lumotlari: sht=25kva, u1yu=380 v, u2h=230v, δpxx=120vt – salt yurish isroflari, δrqt=600vt – qisqa tutashuv isroflari, uqt=4,89% ─ qisqa tutashuv kuchlanishi tushuvi transfarmatorni quyidagi shartlarboyicha ttekshirip oldim y...

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