, R 2 R 0, Pm = UI. U I .
d P = d U + d I,
d U, d I , .
D Pm = Pm × d Pm /100.
Pm = Pm Δ Pm.
. . . 5.2, , ; . , (. 5.1), :
; ( 15) ; ;
S, ;
, , .
, , - ( ), , ( ).
. ( ) n ( ) . .
:
)
,
n ; ( );
)
;
)
.
Ui, | , | S 2[ U ], 2; S [ U ], | S 2 , 2; , | |
, 35- ;
)
,
tp (f) , P f. f = n 1. P . . .
|
|
P | f | ||||||||
0,90 | 2,13 | 2,02 | 1,94 | 1,86 | 1,81 | 1,75 | 1,72 | 1,70 | 1,65 |
0,95 | 2,77 | 2,57 | 2,45 | 2,31 | 2,23 | 2,13 | 2,09 | 2,04 | 1,96 |
0,98 | 3,75 | 3,36 | 3,14 | 2,90 | 2,76 | 2,60 | 2,53 | 2,46 | 2,33 |
30 , ;
)
. .
( ) ( ) n 1 2 (. 5.2). . U 1 i U 2 i; 1 2 , i = 1, 2, n.
(. ).
, (5.2)
- , - , . , , .
. (5.2)
(5.3)
, f = 2 n 2 (5.3) .
, = ,
kp (f) , f = 2 n 2 .
6.