()
, .. , , .
N :
N = m-(n-1),
m - ( 8), n - ( , 6).
. J44 ,
, .
:
J44 = J = 20 A
, II- . :
J11(R4+R6+R8) - J22(R4+R8) = -E6
J22(R1+R3+R4+R8) - J11(R4+R8) - J33R3= 0
J33(R3+R5) - J22R3= E5 - JR5
:
( , ,
+, -):
I1=-J22= 2.35 A I4=J22-J11= 7.16 A
I2=J11-J33= - 9.59 A I5=J33+J= 20.09 A
I3=J33-J22= 2.43 A I6=-J11= 9.51 A
I1 = I6 I4 = 9.51 7.16 = 2.35
I2 = -I3 I4 = -2.43 7.16 = -9.59
I3 = I1 + I5 - J = 2.35 + 20.09 - 20 = 2.44
I4 = I6 I1 = 9.51 2.35 = 7.16
I5 = -I6 I2 + J = -9.51 + 9.59 + 20 = 20.08
I6 = I1 + I4 = 2.35 + 7.16 = 9.51
(1 ): -I4(R4+R8) - I6R6 = -E6 => -7.16*(21+9)-9.51*30 =-500
(2 ): I4(R4+R8) - I3R3 - I1R1 = 0 => 7.16*(21+9)-2.43*40-2.35*50 = 0
(3 ): I3R3 + I5R5 = E5 => 2.43*40+20.09*30 = 700
( ), .
P = I12R1 + I32R3 + I42(R4+R8) + I52R5 + I62R6
P = 276.1 + 236.2 + 1537.97 + 12108.2 + 2713.2 = 16871
P = E5I5 + E6I6 + J(I5R5-E5)
P = 14063 + 4755 1946 = 16872
P =
, .
()
n-1, n - ( n =3).
, 0, . , 4- .
. , , I- , , .
|
|
φ2 = φ4 = 0
φ1(G1+G48+G6)- φ3(G1)= E6G6
φ3(G1+G3+G5)- φ1(G1)= E5G5 - J
:
.. φ1 = 214.7
φ3 = 97.4
:
I2 I-
:
- I2 I4 I3 = 0
I2 = -I4-I3 = -7.159 - 2.435 = -9.59
()
R ( ) R I. , ,
:
1) . . Uabxx . E=Uabxx
Uabxx ( ). , II- Uxx I6x U34.
E = U
U+I6xR6 = E6
=> Uxx = E6 I6xR6
I6x = (-U34 + E6)/(R1+R6) = 4.54
U34 = φ3(G16+G3+G5) φ4*0 = E6G16 + E5G5 J
,
= Uxx = E6 I6xR6 = 363.3
2) R.
, , ( , ). R ( ), (R=R=Rab).
E :
= 7.16
: - 1, , (, , ), .