


  (
  )

  () 
   VT1, VT2
 
() 9-400 ;  VD3-VD7;
  ;
   
  VT3;
 VS  
  2,2.

1    15003
28169.    W2
(400  D 0.01)  
.   
W1a, W1 (no 10  D 0.5) 
  W (5  D 0.01).

T2a (2)   
 400  8-10 , D 0.8
.  
,   
w2a (w2),  800-1000 
D 0.01   . 
w1  w1 ( 10  D 1.0)
 .


  
  
  .


 : 
   
 , 
()  
P=U1*I1 (U1=9B, I1=1), 
   VD3-VD7
I2=C*U2/2Tp  VT1-VT2 I1=N1*I2.
,    
E=C*U2*U2/2,   
(1-10 )    
  U2=N1*U1,
N1=W2/W1.    
= RpCp    
 =RC. R 
   I2=U2/R,
I1=N1l*I2. 
  
  2 (2)
U=2n2*U2, n2=w2/w1. 
  w1 
   VS
I=U2*(2C/L)^(1/2), L- 
w1a (w1),  - 
 2, 2 (50   ).
    
 VS.


    
.    
  . 
    ( 
)   1-3 . 
VS  VT3   
 ,  +9B  
VD7.    2  2
   20-100 
 .  
   
  W.


    
 W,  R1, R2.
   
  
  1.5-2.5 .



   
  
.  
  
   
    
,    
.  , 
   
,    
 .  
U.S. Consumer-Product Safety
Commission   -
    
   ,
   -
     10
.    5
  
   0.5  
 .
  
    
 15 .

