
	    . 

    : 

1. . 
2.    (    ). 
3.  60   (0.3  0.5   ). 
4.   ( ~30    100  300 ). 
5.    (3-5 ). 

      ( ),      .      . 
           . 

         ,    L1  L2.         L1    L2.                . 

                       . 

   :                        . 

   L1             L2,  .               ! 

  ,       .     . 

............


   ,    . 
  L1   L2,      (),  L1  (A),   L2  (). 

      ()  (),       . 
     (  FR307, I=3, U=1000, F ~ 2 )   ()  ()   ()  (). 

       .        ! P=U*I. 

             (L1+L2). 

          ,          .  ( ). 

    ,    (    ).   ,         .     2 x 300 ,   2 x 100. 

................

      .     0.5  -     180 .    ,      L1 (A)   L2 (B),   L1   L2    (C). 

 .  : 

U = 6.43 V ( ) 
f = 50 Hz ( ) 
r1 = r2 = 4.5  (  ). 
Uab = U = 6,43 V 
Uac = Uab = 3,22 V. 

     ? ) 
,    -  . 

.......................

    20Khz!!!    50Hz. 
        . 
    -    , 
    " ",     ....

