1.
3
. | . | ||||
ab | bc | ce | ef | Af | |
R, | |||||
P, |
:
: Uaf = R1 = R2 = R3 = R4 =
: I, Uab, Ubc, Uce, Uef,
2.
4
G1, | G2, | G3, | R, |
:
:
2
.
:
1. .
2. .
.
, . , .
.1 . , , , , ( .1 ). , ..
.1 , , (Uaf = E).
, .1, : bafe R1, E, R4, bce R2, R3, bde R5 R6. I1, I2, I3.
. , , " b "
I1 = I2 + I3.
abdefa :
R1I1 + R5I3 + R6I3 + R4I1 = E
Uab + Ubd + Ude + Uef = Uaf.
, , , . :
EI1 = I12R1 + I22R2 + I22R3 + I12R4 + I32R5 + I32R6
Paf = Pab + Pbe + Pce + Pef + Pbd + Pde.
. , . , , .1, R2 R3 R5 c R6
|
|
R7 = R2 + R3 R8 = R5 + R6.
(.2) R7 R8, Rbe (.3),
Rbe :
a f
Raf = R1 + Rbe + R4.
I1 = Uaf / Raf.
be (.3):
Ube = I1Rbe
(.2), Ube I2 I3:
I2 = Ube / R7; I3 = Ube / R8.
I1, I2, I3, R1 R6.
, , . , P3, R3, I2 P3 = I22R3. I2 Ube = I2(R2 + R3), I3 I3 = Ube / (R5 + R6). , I1 = I2 + I3. Uaf = I1Raf ( Raf), Uaf = I1R1 + Ube + I1R4.