bab 3 stts
TRANSCRIPT
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CHAPTER 3
THE CONSTANTS OF TWO CONDUCTOR LINES
3.1. A Q P S E.
W ,
. T
. T , ,
. W
. A ,
. A
, . T 1/ 2 .7 1 8 .. , , , . T
. I . 3.2
(3.1)
W:
( ) , , ( ) . ( 4 10/.)F , . (3.1)
6.64 (3.2)
T, 0.86 60 ,
0.0066 1 M
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F
,
. I (
),
. T ,
. H, ,
,
.
W ,
,
. T . I
, . 1.1. O ,
.
I ,
. T , ,
. A
:
.
T , ,
. F 3.1
. C , . T
, . A R / .T R , , , . S, R
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. T /, (1 10). T,
0
(3.3)
O , . B, ,
/
(3.3). I ,
: , . A,
.
F, . (3.3)
, . T
,
. W ,
,
.
W ,
, / . (3.3)
W ,
. T
. A
, . F
,
,
,
. O
,
. T,
. A ,
, . S
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. 3.5 3.6.
. 3.10 3.11
A
. H
.
I
. S , . T
1 2 M,
. B ,
.
3.2. S E P C1.
W , ,
. T . I ,
.
W ,
, . 3.3. ,
,
.
W 2
:
. (1 = 10). .
(1 /
, /, ). .
1S 3.2 3.6,
. T . 3.10 3.11 , , 2E , A.B. B R.E B,
T A M, . 459461, MG H B C, I., N . 1947, MIT
S, E C, C, J W $ S, I., N , 1940
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. ( 4 10/.) . , , .
T . T
,
/, . T
. T
cos ( . 3.2), cos
(3.4)
. T
.
T ()
( 4 ).
T
,
c os (3.5)
H .3 . (3.4) (3.5),
, ,
.
3T . (3.4) (3.5)
. ., . A, . (3.5) . T
.
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T . T
: . T O
, ,
.
N . 3.3 ,
. , .
(3.4) . T , O
, . T
. T, .
(3.4) . T
:
T, , . (3.4)
(3.6)I ,
. 2.1
(3.7)
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S . (3.6), , ,
(3.8)
T
, ,
(3.9)
S ,
(3.10)
E (3.10) , ; , .T (3.%). C . 3.3. T .
(3.5)
A
T,
A , ,
(3.11)
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T ,
(3.12)
T (3.10) (3.12), . (3.10)., . (3.12), /. T :
(3.13)
T , ,
/. S /, /, . B ,
,
/T
0,
. H ,
/ /
T
// (3.14)
W ,
2 (3.15)
A . 2.1.
( 3.14) = 0 . I
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. M E. (3.14) ,
/ cos (3.16)
T
E. (2.36). T
,
. T 1/ , . T ,
. A 5,
, 0.00674, . A .T 1/,
1 1/= 0.368.
2/ = 2, / = 2. A
F.3.4. ,
.
T . F , 4 10/, 1.74 10 . T E. (3.15), 1.74 10 4 10 0.0664
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T 60 , 0.857
0.34 . 10 0.066 , 10 M 0.0021 . ,
.
A
. C ,
S E. (3.14) ,
/45(3.17)
T,
/2 45. T .
T , H,
(3.14) (3.10). ,
1
/
U E. (3.15) , 2 1/
(3.18)
C E. (3.14) , ,
1 / 45(3.19)
T,
, 45, . A E. (3.17)
,
(3.20)
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T (3.5)
3.3. .
C . A F. 3.5.
.
C F. 3.5,
. A E.
(3.4), .
T ,
. A , ,
W . T
(3.21)
T E . / . T .
T , O ,
. D
, , , ,
(3.22)
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W .
S ,
. T (3.2 )
, .
T E. (3.21) . I , , S. 3.1.
F
.
3.4. T I I P C.
F , E. (3.17) (3.22)
,
1 /(3.23)
T :
/(3.24)
T . D ,
/(3.25)
I ,
,
.
I E1. (3.24)
. T
. T
. I , ,
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E. (3.20), . U ,
,
. T
,
, .
E. F
, . T .
U E. (3.24) ,
/(3.26)
, , .
U ,
.
A , = 1.74
X 10 = 4 X 10/ , 4.17 10 /
(3.27)I ,
4.17 10
/
(3.27)
.T E. (3.25), 2. T
2 14 /(3.28)
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T 1/ .I
. A
.
3.5 .
T . W
. T , , ,
.
C F. 3.6, . U (E. 3.4)
,
W
T,
A , ,
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T
,
U ,
(3.29)
T , E. (3.5).
,
2 2 U ,
2 2 T ,
1 (3.20)
T , (3.29) (3.30). :
1 (3.31)
T (3.13)
/. B 1/ , .E (3.31)
1 0(3.32)
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T
4
. W E. (3.32)
, , /.W
. W
(3.33)
T , E. (3.32),
2 3.2 4.3 1 2 3 T .., . ,
. E
; , ( ). N , , :
02 2 3.2 3.2
1
F, , ; , . T :
2 4E (3.32) B . T B
1
0 = 0. F B N. W.
ML, B F E, O U P, N , 1934.
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2
24 . I , :
(3.34)T
1 2
2. 4
2. 4. 6 (3.35)
T , . W ,
. I . I . H
,
2
2T , , E. (3.35)
1 2/2 2/2. 4 2/2. 4. 6
T . S ,
1 2/2. 4 2/
2. 4. 6. 8 2/
2 2/
2. 4. 6 (3.36)
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T ,
2/ ;
1 . ... (3.37)
2
2. 4. 6
2. 4. 6. 8. 10
T F. 3.7 3.8.5
T
2 2 (3.38)
T
, . I
, , 2 2
5A H. B. D, M T, . 214221, MG H
B C, ., N , 1941
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W (3.38)
2
2
2 2 (3.39)
T ;
. G . R F. 3.9 /. T , , . I ,
,
. T
2 10,500
0.102 . (N. 10 AWG), 5 66,000 .3.6. T I I C C.
A . (3.22), (
)
.
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T . (3.39) ;
, (3.5)
. I ,
2 (3.40)T , . (3.29),
(3.41)
T / . (3.39). , ..
2
2
2
2 2 2
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U , (3.39) (3.41) (3.40) . A,
2 (3.42)
2/.
N, . (3.22),
/S (3.42), 2 /
(3.43)
R ,
:
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2 /
(3.44)
2 /
(3.45)
I ,
0 ,
/ (3.46)
8 /T , ,
/. T . 3.8. T
2 .
I
. F . (3.44) (3.46),
2
(3.47)
4 (3.48)
2/.T / / . 3.10 3.11
, /. W ,
. (3.26) (3.28):
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(3.49)
T ,
2 ,
. T
. A , .
3.7. T F L C C.
I
,
C , . 3.12,
. T .
F , .
W . T
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( 4 ).
T, ,
2 2(3.50)
T , ,
2 (3.51)
W .I , , 4 10/.
N, . W
. T,
, /. A , /
2
2
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T, ,
2
(3.52)
W . T , , . A ,
. T
. 3.11.
T , . 3.13
. T
.
I ,
. F , . T
( 4 ). T,
2 . T , ,
/ (3.53)W . F ,
136 10/3.8. T C P L.
A . 3.14. A
. 1.1. , , , .C 1 , . W
, 2 .
W
( ).
C . T
,
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, ,
. A ,
. T . (3.51). ,
2 /B ,
2
I 2 , :
(3.54)
T ; , :
(3.55)
A 4 10/ ,
4 10 (3.56)
T . 3.6.
T , , . (3.45), , , . (3.46). / . 3.11 . I ,
, . I , . (3.52). ,
,
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2 W . T / ; ,
2
I 0 2 , :
4 (3.57)
D : 4
(3.58)
T . (3.46), /8 . T
,
4 10/:
10/ (3.59)I (
).
A , ,
. T
/, , . (3.59), 10/
(3.60)
T
. U . (3.56) (3.60),
4 10 /
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(3.61)
A ,
/, . T
. 3.11. , / .T , 1,609 /
N, . T
(. 3.53) , 2 :
2
W (
). T
; ,
10
36 /W
10/ (3.62)
I / .M , / 1.
F , / . T, . (3.61) (3.62) ,
120/ (3.63)
3 10/ /
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(3.64)
T
, . A
, ,
6
1036 2 /(3.65)
A , ,
4 10 2 /(3.66)
, 1/, . (3.64),
120/
(3.67)
T /. , .3.10. A . 3.4 :
, /. :
2
2 1
(3.68)
, , . ,
6S, , G. P. H, P E E, .40, MG H B
C,I., N , 1938. T , . 4.3.
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8.34 10 (3.69)
.3.9. T C C L.
.
,
( . 1.1).
. (3.51) /2.R . 3.15,
2 I = = , :
2
T ; ,
2 (3.70)
A ,
2 10 (3.71)
T . (3.53) /2, . = = ,
:
2
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2 /(3.72)
T : 118
/(3.73)
/ .F , .
60/
(3.74)
F ,
/, , .
I , 1/. T, 3 10/ /
(3.75)
I
.
T
,
. T
12 1 1 (3.76)
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, , . A ,
4.2 10 1 1 /(3.77)
.
A ,
, . A
, G
. T
, . , .
1 (3.78)
T
. I
90 . , , . . (3.78) /,
(3.79)
.T . F
, / . T , 2 2 2
, ., , /2, . , . O ,
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, . W , /3.6 . T
77/ . , , / .T
, ,
,
7. F ,
/, . T,
,
. I
,
. T
; ,
; ..,
22 2 .8 I , , ,
. ,
,
.
3.10. T C P .
A . 3.16. ,
. E . T
. U
,
, : 4 10 /(3.80)
7S, , W J, H T L, . 5358, M & C., ., L.
D U S S P, C, O.8S S. R J. R. W, F W M R, .9, J W & S, I., N ,
1944.
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136 10 /(3.81)
120/
(3.82)
2 /(3.83)
M . T
. I , , . T , , .