: DU1, DU2
: DI1, DI2
Y
DI1 = Y11DU1 + Y12DU2, .. DI1=0
DI2 = Y21DU1 + Y22DU2 -
DI2 = Y21DU + Y22DUc
S = Y21 = DIc / DU êDUc = 0
1/Ru = Y22 = DIc / DUc ôDU = 0
DIc = SDU + DUc
.
DIc = SDU + DUcu
S
[S] A/B
ri
Ic Ic
DIc A
Uc
U0 DU U
S = DIc / DU ïDUc = 0 ri = DUc / DIc ôDU = 0
[b] = A/B2, b -
Ic = ½ b(Uu U0)2
Ic /U = S = b(U U0) Þ
-
: U = U - icR
1 2 ,
, .
U.
.
, U = j3 = U, Þ .
Cp1, Cp2, Cu, Ec
R = R1ôêR2
R = U / i = (Rri)ççRc = riççRc Rc
0 ()
0
,
( )
|
|
:
U - , 0 1.
|
.
. , .
|
|
|
.
, I III, (II)
.
, VT (()).
, , :
, , , .
VT1 , VT2 ()
VT1 ()