1- amaliy mashg’ulot. Transformatorlarning parametrlarini hisoblash

5- Amaliy mashg’ulot. Avtotransformatorning parametrlarini hisoblash

Quyida ko’rsatilgan rasmdagi avtotransformatorning kirish tomonidagi kuchlanish . Chiqish tamonidagi kuchlanish . Birlamchi chulg’amlar soni N1 ga teng. Avtotransformatorning yuklanish toki I₂ ga teng

Quyidagilar aniqlansin:

1. 
   Ikkinchi chulg’amdagi o’ramlar soni N2.
   
2. 
   1 va 3 nuqtalar orasidagi kuchlanish nimaga teng.
   
3. 
   I₁ va I₃ toklar aniqlansin.
   

Variant	U1, V	U2, V	N1	I, A
1	220	110	600	10
2	220	110	600	10
3	220	100	610	8
4	220	105	620	8
5	220	115	720	6
6	220	80	500	6
7	220	90	650	10
8	220	95	630	10
9	220	85	600	8
10	240	80	620	6
11	220	70	660	8
12	220	75	550	10
13	220	60	540	6
14	220	65	500	10
15	220	55	620	8
16	220	50	630	10
17	220	45	660	8
18	220	40	600	6
19	240	35	580	6
20	240	30	600	8
21	240	25	630	10
22	240	20	640	8
23	240	15	540	8
24	240	100	560	6
25	240	120	580	5

Yechish

Quyida ko’rsatilgan rasmdagi avtotransformatorning kirish tomonidagi kuchlanish =220 V. Chiqish tamonidagi kuchlanish =120 V. Birlamchi chulg’amlar soni N₁=660 ga teng. Avtotransformatorning yuklanish toki I₂=22 A ga teng

Quyidagilar aniqlansin: