UA = UA - UB; (1)
UB = UB - UC; (2)
UC = UC - UC. (3)
2. UA, UB, UC 120.
(1), (2), (3). .5.
3. 30.
1,73 .
U = U , ..:
U = U , U = U , U = U .
380 , 220 , 127 , .
(iA, iB, i), , . (i0), . 1- :
i0 = iA + iB + i, ,
I0 = IA + IB + IC (4)
3- , .
IA, IB, IC 120. (4), (.6), , I0 = 0.
ZA ¹ ZB ¹ ZC IA ¹ IB ¹ IC. I0 ¹ 0, , .7.
1. (. 8)
2. IA, IB, IC. , :
/ ;
/ .
.
3. , , . , :
/ ;
/ .
.
4. , .
5. .
6. 1 .
7. .
| IA | IB | IC | I0 | UA | UB | UC | UAB | UBC | UCA | |||
| 1. | - | |||||||||||
| 2. | ||||||||||||
| 3. | - | |||||||||||
| 4. |
|
|
|
1. ?
2. 220 . .
220 . .
6
