,
,
.
Ȩ

Š
 

. .

:

R.,

R. ( ):

.

:

U ≥ (1,3-2)∙U2 =2 ∙44= 88 , 1,3 2 .

, , 24 (. . 3, . 421)

.

≥74 U≥88 , 50

= 100 U = 100 .

: .

I =I. = I2.max ( )!

I2max = 57

:

I.max

U.max

:

I.max. ≥ (1,3 ÷ 2)I.

U.max. ≥ (1,3 ÷ 2)2∙√2∙U2

: I. = I2.max

I.max. ≥ 1,3∙57 = 74

U.max. ≥ 2∙ 2∙√2∙44 = 248

102

I.max. =100 ;

U.max.= 250

U1:

U1=U2max= √2∙U2= √2∙44 =62,22 B

1

VD1

102

1

2

C1

50

1

3

R

-2-620

1

4

VD

2522

1