1.
, 1, E1 = 16 ,
E2 = 8 , E3 = 9 , R1 = 2,5 , R2 = 6 , R3 = 6 , R4 = 5 , R5 = 10 ,
R6 = 5 , :
1) , ;
2) , ;
3) , ;
4) R6 ;
5) ;
6) .
1
, 4, .
4
1) 3 ,
n
) Ik = 0 (1)
k=1
. 3
:
m n
) RkIk =) Ek
(2)
k=1 k=1
(1) (2) . - , , .
:
I1 − I5 − I6 = 0
fI2− I1+ I3= 0
|
6 − I2
− I4 = 0
(3)
IR5I5− R4I4− R6I6= 0 IR1I1+ R6I6+ R2I2= E1− E2hR2I2 − R3I3 − R4I4 = E3 − E2
: I1 =0,846 , I2 =0,520 , I3 =0,326 , I4 =0,033 , I5 =0,293 ,
I6 =0,533 .
2) 3 (2) 4 .
:
ℐ1(R1 + R6 + R2) − ℐ2R6 − ℐ3R2 = E1 − E2
{ℐ2(R5 + R4 + R6) − ℐ3R4 − ℐ1R6 = 0
ℐ3(R2 + R3 + R4) − ℐ2R4 − ℐ1R2 = E2 − E3
, : I1= 0,846 , I2= 0,293 , I3= 0,326 .
(4)
, , , :
I1 =0,846 , I2 =0,520 , I3 =0,326 , I4 =0,033 , I5 =0,293 , I6 =0,533 .
3) :
G = R (5)
G1 =0,4 C, G2 =0,167 C, G3 =0,167 C, G 4 =0,2 C, G 5 =0,1 C, G 6 =0,2 C.
3 , .. :
n n n
") Gi−) "iGi=) EiGi + Ji
(6)
i=1
i=1
i=1
(1,2,4) (6): , , , ; . :
|
|
"1(G1 + G5 + G6) − "2G1 − "4G5 = E1G1
{"2(G1 + G2 + G3) − "1G1 − "4G3 = −E1G1−E2G2−E3G3 "4(G3 + G4 + G5) − "1G5 − "2G3 = E3G3
, :
φ1 =2,765 , φ2 =-11,120 , φ3 =0 , φ4 =-0,165 .
(7)
. , , : φ5 = φ4 - 3, φ6 = φ1 1, φ7 = φ3 - 2. :
φ5 = -9,165 , φ6 = -13,235 , φ7 = -8 .
,
I1 =0,846 , I2 =0,520 , I3 =0,326 , I4 =0,033 , I5 =0,293 , I6 =0,533 .
4) R6 . , 4, R6 U ( 5), :
I6 = R
U
+ R
, (8)
6
R R6 , 6.
5
(2) I1 I2.
ℐ1(R1 + R2 + R4 + R5) + ℐ2(R2 + R4) = E1 − E2
|
2(R2
+ R3
+ R4
) + ℐ1
(R2
+ R4
) = E3
− E2
(9)
, I1 = 0,449 I2 = -0,232 . I5 = I1 = 0,449 , I4 = I1 + I2 = 0,217 A.
1-4-3, U :
Uss = I5R5+ I4R4 (10)
U = 5,575 .
6
R1, R3, R2 (11):
R12 = R1 + R2 + R13 = R1 + R3 + R23 = R2 + R3 +
R1 + R2 R3
R1 + R3 R2
R2 + R3 R1
(11)
, 7 R12 = 11 , R13 = 11 , R23 = 26,4 .
7
, R13 R5, R23 R4 , , R12 :
R =
(R5R13 R5 + R13
R5R13
+ R4R23 R4 + R23
R4R23
) R12
(12)
R5 + R13 + R4 + R23 + R12
R = 5,081 .
, (10) (12), (8),
: I6 = 0,553A.
5) 3 5:
UV = φ3 - φ5 = 9,165 .
:
n m
P1=) EiIi+) JiUi
(13)
i=1 i=1
I, , , ·I . I , E·I .
|
|
: P1 = 6,442 .
:
n
|
i=1
(14)
P2 = 6,442 .
P1 = P2 : , , .
6) , 1-4-5-2-6-1, . 8.
8
MathCAD .
R6