. 25 . 400 -66, - 400 ( . 3.2.1 [4]
: ) ( ~2,4); ) ( ~ 1.2).
0,4 .
400, R 40 , p = 1300 /3.
520 , p0 = 1440 \3, p = 1650 \3, p = 2700 \3. 80 .
( = 2,4), p0 = 1560 \3, ~ p = 1810 \3, p = 2650 \3.
( = 1,2), p0= 1480 \3, ~ p = 1780 \3, p = 2630 \3.
- ( 0,5 %). (. 6.1 [4]).
= 1,34 ( ) = 1,28 () 3.13 :
) V = 1: 1,34= 0,746 3
) V = 1:1,28 = 0,781 3.
:
) = 0,746 * 1650= 1231 ;
) = 0,781 *1650= 1289 .
:
) V = 
= 0,456 3
) V = 
= 0,477 3 .
= 1,18 ( ) = 1,3 () 3.14 :
) V = 
= 0,461 3
) V = 
= 0,402 3 .
:
) = 0,461 * 1810= 834 ;
) = 0,402 *1780= 716 .
:
) V = 
= 0,315 3
) V = 
= 0,272 3 .
:
) V = 1- (0,456 + 0,315) = 0,229 3
) V = 1- (0,477 + 0,272) = 0,251 3.
p ~ 1300 ( 3.16) :
) = 0,229 * 1300= 298 ;
) = 0,251 *1300= 326 .
:
P = 1231+834+298 = 2363 /3
P = 1289+716+326 = 2331 /3
(6.3) , . , . . .
|
|
|
, , (P) .
, , () , :
) P = 2340 /3 , ) P = 2320 /3.
:
) = 
= 0,99
) = 
= 0,995 .
, , :
) = 0,99 * 298= 295 ; ) = 0,995 *3260= 324
= 0,99 * 834= 826 ; = 0,99 * 716 = 712 ;
= 0,99 * 1231= 1219 ; = 0,99 * 1289 = 1282 ;
, [138, 166]. , , . .
, 25 ( R = 32 , 0,95 , 13.5 %), (6.3).
: =1,1 (. 6.1) = 0,85 (. 5.5); = 0,385 ( 5.6, . 6.1); = 0,845 (.5.4),
)6 = 
= 0,38
:: =1,0; = 0,8; = 0,385; = 0,845
)6 = 
= 0,33.
, , , . , , , , .
, . , .
, , 24 . , , (, ).
( 24 ) - 10180.
, , ( ) .
|
|
|
= 0,4 3,2* 4,8 2,0
( ) : = 298 , = 834 , = 1230 , 1 3. . -10 0 ; t = 70 0. (..3.3 6.1 [4]).
