) .
.
, (a0),
U1
U1m , U1 = U1msin(wt + a0), ,
i0
i0r1
, , . i0 .
- .
x >> r, j0 p/2 90,
:
i ,
i = i , i, , T = L1/r1.
(a0):
1) , a0 = 0, t = 0, U1 = 0,
, .. i = -Im, i = Im
i0 = 0
i , . ,
, U1=0, p/2.
.
2) a0 = p/2, U1 = U1m , i = 0, i0 = i = 0
.
) .
, (), U1. .. U1 , . , . a0 = 0, t = 0, U1 = 0.
p/2 , 50-80 .
,