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

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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 ─ shart bajarildi; 2) u1h=380 v=usl=380 v – shart bajarildi; 3) u2h=220 v≥√3u2f=187,234 v ─ shart bajarildi; 4) i2h=26,24a≥i2f=20,11 a ─ shart bajarildi. hamda barcha shartlar bajarildi i2 = ki2 •ki •i2dyu i2=0,812•1,05•23,5=20,11 i2h=en•sht•10³/m2•u2h i2h=1,73•10•10³/3•220=26,24 ungamos keluvchi ttristrtipi -t131-50 ) tanlangan t131-50 tiristorning o1 2 3 1 sovutgich bilan komplektdagi parametrlari: ─ kuchlanish boʻsag’asi (porog) u0=1,71 v ─ oʻtishning maksimal harorati tp.max=125° s …

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chirgichning tanlash shartlar uaa01=440v>uc=220v-shart bajarild iaa01=50a>id=23,5a shart bajarild iee=50ea>iid=3,54ea shart bajarild

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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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