() , , . , . .
() , , (), (, ).
: ,
, (, , ) . .
:= 500 ( ), = 220 330 ( , , ), = 35, 110 150 ( ), = 20 , .
1) 1000 ( ) 2) 135 ( ) 3) 110220 ( ) 4) 330750 ( ) 5) 750 ( ) , .
50 , 721-77, : 380 ; 10, 20, 35, 110, 220, 330, 500, 750 1150 . , : 220 , 3 150 . - ( ), 1150 . , : 150, 400 ( ) 800 . , (27,5 , 50 3,3 ), (825 ), (600 ).
() , , () , , , . , .
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: , , .
:1) ( ) 2) (-, , - (RIP), (XLPE), - (EPR)) .
- , , ( ) , . .
( ). , E E, : E=30,3b(1+0,03/^rb) /, r , β . , , , ( ) , , 40-50 . U(U-U).
, 500 12 /. , , 1200 /.
( , , , ). , , , .
p=UIcosq., cosq- . => sq ( ), . . . , .
cosq: 1) I=P/(U*cosq), 2) P=I2P, 3) .