:
) w wHH :
k = w/w = U./U.
) :
k = U./U.
/ / : k = k; / k = √3k, / - k = k/√3.
Z , , .
ZH , U , . , U √3 UK , U = 2UK. ZH ; .
/ /. 400 Y/Y /Y, 380 , , 220 , .
.
.
.
(I2 = 0)
, I0. 510% . 25 30% .
I0 . . , , , .
, cos φ 0,20,3.
|
|
:
- I0 ( , ),
- ( 0, ),
- n (n = U1/U20 ≈ W1/W2, U20 , U1 , W2 W1 ).
.
.
. . , .
, . . . , . u, %.
u, u u , 6 , RK, XK ZK.
.
, :
ZK = UK/I; RK = PK/I2; XK =√(ZK2 - RK2),
UK, I - , , , .
, .
:
ua% = (IHRK/UH) 100;
uP% = (IHXK/UH) 100
uK% = (IHZK/UH) 100,
UH I .