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- 1 = ;
- 2 = , 2, − 2;
- D 3 = I;
- DB 4 =
- 5 = ;
- C D 6 = ,
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, , , : I 1 = I I, I 2 = I II I I, I 3 = I II, I 4 = I II I III, I 5 = I I I III, I 6 = I III.
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. MathCAD :
ORIGIN:= 1
:
R 1 := 10 R 2 := 20 R 3 := 50 R 4 := 8 R 5 := 40 R 6 := 25 R 7 := 35 R 8 := 40
E 1 := 12 E 2 = 24 E 3 = 12 E 4 = 15
:
:
=:
[6]:
I 1:= I 1 I 2:= I 2 I I I 3:= I 2 I 4:= I 2 I 3 I 5:= I 1 I 3 I 6:= I 3
I 1 = 0.437 I 2 = 0.381 I 3 = 0.056 I 4 = 0.098 I 5 = 0.48 I 6 = 0.043
, . , 㳿 .
:
, :
|E 1 I 5| + |E 2 I 2| + |E 3 I 4| = 16.086
, :
I 1 2(R 1 + R 2) + I 2 2 R 3 + I 3 2(R 5 + R 6) + I 4 2 R 7 + I 5 2 R 4 + I 6 2 R 8 + E 4 I 6 = 16.086
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: E 2 = 20 ; E 3 = 7,6 ; = 4,4 ; R 1 = 12 ; R 2 = 35 ; R 3 = 22 ; R 4 = 6 ; R 5 = 10 ; R 6 = 15 .
1. , . U I, U II, U III (. ).
2. , − (n −1), , :
:
:
:
ϳ :
0,278788×U I 0,04545×U 0,06667×U = 0,54545455
0,04545×U I + 0,228788×U 0,08333×U = 0,54545455
0,06667×U I 0,08333×U + 0,178571×U = 0,57142857
³, , , .
MathCAD ʼ :
AU = B
U I, U II, U III, :
U I = 0,020988 ; U II = 4,26813 ; U III = 5,18396 .
3. ʳ, . ( ). :
U III U 1 U I = 0 Þ U 1 = U I U II = 5,18396 (4,26813 ) = 0,91583 ;
U III + U 2 + E 2 = 0 Þ U 2 = U III E 2 = (5,18396 ) 20 = 14,81604 ;
U I + U 3 E E 3 U II = 0 Þ U 3 = E + E 3 + U II U I = 12 + (4,26813 ) 0,020988 = 7,710879 .
U 4 = U I = 0,020988 ;
U 5 = U II = 4,26813 ;
U III + U 6 U I = 0 Þ U 6 = U I U III = 0,020988 (5,18396 ) = 5,204948 ;
:
I 1 = U 1/ R 1 = 0,91583/12 = 0,076319 A;
I 2 = U 2/ R 2 = 14,81604/35 = 0,42332 A;
I 3 = U 3/ R 3 = 7,710879/22 = 0,35049 A;
I 4 = U 4/ R 4 = 0,020988/6 = 0,0035 A;
I 5 = U 5/ R 5 = 4,26813/10 = 0,42681 A;
I 6 = U 6/ R 6 = 5,204948/15 = 0,346997 A.
4. .
MathCAD[7] :