- . . .
G1 74-43 3(3×185) K1 74-43 3×6 3714 G2 3(3×185) L1=60 |
4.4- |
:
:
S = S1 + S2 | (4.26) |
S =1000*103 =103000 | (4.27) |
U = Ur = 400
(4.28) |
r1, x1-
G1 u G2; r2, x2, r3, x3 - , , , '. , ' , .
:
xl =0,17 / | (4.29) |
, rl =0,003 / | (4.30) |
ֳ :
(4.31) |
(4.32) |
3185 2 :
2=0,0073 /, r=0,118 /.
' ,
r2 =0,07/3=0,02 / | (4.33) |
l , ;
r2 = *10*10-3 =0,2*10-3 | (4.34) |
x2 =0,34/3=0,11 / | (4.35) |
x2 =*10*10-3 =1,1*10-3 O | (4.36) |
(4.37) |
(4.38) |
x4′ =x1′ + x2′, r4′ = r1′ + r2′,
x4′ =0,34+0,0022=0,3422 | (4.39) |
r4′ =0,07+5*10-3=0,075 | (4.40) |
,
(4.41) |
(4.42) |
z5= | (4.43) |
4 2
x6 =0,101 /, r6 =1,8 /,
x6 =0,101* 40 ∙10-3 =4,04*10-3 O | (4.44) |
r6 =1,8 ∙ 40 ∙ 10-3 =72*10-3 | (4.45) |
:
(4.46) |
(4.47) |
(4.48) |
1
x′ = | (4.49) |
r′ = | (4.50) |
(4.51) |
:
t = 0 I =2,5
t = 0,01 I =2,3
t = 0,05 I =2,2
t = ∞ I∞ =2,8
(4.52) |
I,
(4.53) |
1
|
|
1 = +
(4.54) |
- , ,
- 䳿 , = 0,9;
ΔU- ;
Z- , ;
∆U = I0 ∙ Z6
∆U =2,5*0,17=0,4 | (4.55) |
(4.56) |
S -
, S = 60% Pr,
0,3
(4.57) |
(4.58) |