4.1. .6.
4.2. 2 ,
= 1 * / (1 + ), (18)
= 16,36 ( (8)) =>
= 85,33 * 16,36 / (85,33 + 16,36) = 13,73
Uc |
1 |
U |
1 |
t = 0 x 2 |
U |
1 2 3 1 |
.6. 1 |
4.3. 2 , ,
2∑ = 2 * / (2 + ), (19)
2∑ = 2,28 * 13,73 / (2,88 + 13,73) = 2,38
4.4.
U = [2∑ / ( + 1 + 2∑) ] *U (20)
U = 2,38*1,05 / (0,5 + 0,46 + 2,38) = 0,86
4.5. U ≥ 0,85, .
4.6.
m = m (n = 0) U 02 (24)
m = 0,7 * 0,862 = 0,52
m ≥ 1,1 m (n = 0) (25)
0,52 ≥ 0,1
m (n = 0) m (n = 0) n = 0, .2.
3
5.1. .7.
5.2. , , , , , , , .
(.8),
0 = - kc * x0,5;
1 = 11 = (1 + kc) * x0,5 . (26)
0 = - 0,5 * 0,64 =- 0,32
1 = 11 = (1 + 0,5) * 0,64 = 0,96
5.3. , .
U0 = (x1 + 3 ) * I1 = (x2 + 1 ) * I11;
k1 = I1 / I11 = (x1 + 1) / (x1 + 3 ); k2 = I11 / I1 = 1 / k1 (27)
k1 = (0,96 + 66,67) / (0,96 + 2,88) = 17,6
k2 = 1 / 4,83 = 0,06
Uc |
1 |
U |
1 |
U |
1 2 3 1 |
.7. 1 |
2 |
I1 |
I2 |
t = 0 |
5.4. (.8,):
x1 = x0,5 * (1 - k2 * kc); x2 = x0,5 * (1 - k1 * kc). (28)
x1 = 0,64 * (1 0,21 * 0,5) = 0,62
x2 = 0,64 * (1 4,83 * 0,5) = - 5
5.5. , , (. 7)
= 1 / y , (29)
y = y1 + y2 + y 1 - .
|
|
y1 = 1/ x1; y2 = 1 / x2; y 1 = 1 / (x2 + ) (30)
y = (1 / 85,33) + (1 / 21,33) + (1 / (-5 + 66,67)) = 0,075
= 1 / 0,075 = 13,37
5.6. 3 , ,
x3 ∑ = (x3 + 1 ) * / (x3 + 1 + ). (31)
x3 ∑ = (2,88 + 0,58) * 13,55 / (2,88 + 0,58 + 13,55) = 2,75
5.7. 3
U0 = [ x3 ∑ / (x + 1 + x3 ∑ )] U . (32)
U0 = (2,75 * 1,05 / (0,5 + 0,46 + 2,75) = 0,87
5.8.
U0 = [ x3 / (x1 + x3 )] U0 (33)
U0 = (2,88 / (0,58 + 2,88)) * 0,87 = 0,73
5.8.
m = m (n = 0) U02. (34)
m = 0,7 * 0,732 = 0,37
5.9.
m ≥ 1,1 m (n = 0) , (35)
0,37 ≥ 1,1 * 0,1, .
1.
6.1. 1,5 . 1, 2,3 .
6.2. , :
= (GD2 + GD2 ) n2 / 364*103 * (36)
1 = (0,14 + 0,8 * 0,14) * 30002 / 364 * 103 * 1,25 = 4,98
2 = 3 = (0,86 + 0,8 *0,86) * 30002 / 364 * 103 * 5 = 7,65
6.3.
∑ = ∑(GD2i n2 i / 364*103 * ∑ i =
= ∑ T i i / ∑ i (37)
∑ = (4,98 * 1,25 + 2 * 7,65 * 5) / (1,25 + 2 * 5) = 7,36
6.3.
m c∑ = ∑ k i i / ∑ i , (38)
k I -- , .2 n = n .
m c∑ = (1 * 1,25 + 2 * 1 * 5) / 11,25 = 1
6.4. t = 1,5 :
so = m c∑ t / ∑ (39)
so = 1 * 1,5 / 7,36 = 0,2
6.5. 1 3 I (s) (.2):
I1 = I2 = I3 = 4,5
6.6. so = 0,2 13 :
s = 1/ I s * S / S * (U / U)2 (40)
1s = (1 / 4,5) * (100 / 1,45) * (6 / 6)2 = 15,36
2s = 3s = (1 / 4,5) * (100 / 5,79) * (6 / 6)2 = 3,84
6.7. , . 9.
. 9. |
Uc |
t |
1s x2s |
x3s |
x0,5 |
xB1 xB2 x4 x2 E″q4 |
2 |
s5,6 |
I1 |
I11 |
6.8. 1
∑s = 1/y∑s, (41)
y∑ s = 1/ 1s + 1/ 2s + 1/ 3s; 3s = 0,5 + 3s.
|
|
y∑ s = 1/15,36 + 1/3,84 + 1/(0,64 + 3,84) = 0,55
∑s = 1/0,55 = 1,82
6.9. 4, 2 1, :
4 = ″d / 100 * S / S 4 * (U 4 / U)2 .. (42)
4 = (15/100) * (100/6,87) * (6/6)2 = 2,18
6.10. 2 , (27) (28), (. 9). :
k1 = (x11 + 4) / (x∑ + 2 ); k2 = 1 / k1 . (43)
k1 = (0,96 + 2,18) / (1,82 + 66,67) = 0,046
k2 = 1/0,046 = 21,78
6.11. :
1 = (1 + k1 k2 ) 0,5; 2 = (1 + k1 k ) 0,5 (44)
1 = (1 + 0,046 *21,78)*0,64 = 1,28
2 = (1 + 0,46*0,5) * 0,64 = 0,66
6.12. 2 2 (. 10,):
∑ = 1 / ∑, (45)
∑ = 1 / 5 + 1/ 6 + 1/ 2; 2 = 2 + 2 (46)
∑ = 1/21,33 + 1/85,33 + 1/(0,66 + 66,67) = 0,07
∑ = 1/0,07 = 13,62
6.13. , 2 (. 10,):
∑ = ∑S * ∑ / (∑S + ∑). (47)
∑ = 1,82 * 13,62 / (1,82 + 13,62) = 1,61
6.14. Uc = 1,05 q″ = 1,05 , (. 10,)
= 2 * 41 / (2 + 41). (48)
= 0,96 * 3,46 / (0,96 + 3,46) = 0,75
6.15. 1
U0 = [ ∑ / (∑ + ) ] Uc. (49)
U0 = 1,61*1,05 / (1,61 + 0,75) = 0,71
Uc |
∑S x41 x∑ |
) |
.10. |
4 ″q |
Uc x |
∑ |
) |
) |
Uc; ″q x |
U |
∑ |
6.16. 3, :
U0 = [ 3s / (3s + 0,5 ) ] U0 . (50)
U0 =3,84 * 0,71 / (3,84 + 0,64) = 0,61
6.17. 1, 2,3 1
m 1 (U,s) = m 1 (s) U20 ;( 2, 3 ) (51)
m 1 (s), m 2 (s) m 3 (s) -- .2 s0.
m 1 (s) = m 2 (s) = m 3 (s) = 1,5 =>
m 1 (U,s) = m 2 (U,s) = 1,5 * 0,712 = 0,78
m 3 (U,s) = 1,5 * 0,612 = 0,56
6.18. :
m (U,s) ≥ 1,1 m s, (52)
m s = 0,7 - -, .2 s0 =>
1,2 - 0,78 > 1,1 * 7 = 0,77;
3 - 0,56 < 0,7 -- .