, , . , , ,
n = 60f (1 s) / .
:
1. , . . , ( , , -);
2. , :
) ;
) .
.
, , ( ) 1-1, 2-2 ( , ).
(. 9.18).
. 9.18. () () ;
1 2, 1 2 (. 9.18, ). ( ), .
. . . 9.18, (2 = 4),
n 
= 60f / = 60*50 / 2 = 1500 / .
1 2 ( 1 2) 1 2 ( 1 2) (. 9.18, ).
, , 2 (2 = 2),
n = 60f / = 60*50 / 1 = 3000 / .
.
, , (.9.19, ), 1, 2 3. 1-1 2-2 .
|
|
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. 9.19. () ()
:
) 1, 2 3;
) 1 2;
) 4, 5 6 .
, , .
0D. , 0 , , 0.
, ». » .
» ѻ, D, .
, .. , .
(Y) (YY)
(Y) (YY) 
η- ... , :
1)
PY = 3UI 
= 
U I (1-1)
, I = I = I, 
= 
:
ωY = 
(1-s); MY = PY/ωY.
-
2) ,
PYY = 3U 2I = 
U I 
= 2PY. (1-2)
,
PYY = 2PY.
:
ωYY = 
(1-s) = 
(1-s) 
=2ωY (1-3)
(1-3) 2 (1-4)
ωYY = 
2ωY (1-4)
:
MYY = PYY/ωYY =2PY/2ωY =PY/ωY
MYY = MY
, , (Y) (YY) () .
2 , ( - ).
|
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(.9.19, ), 1, 2 3. 1-1 2-2 .
, , :
) 1, 2 3;
) 1 2;
) 4, 5 6
, , .
(YY)
1)
P. = 3UI = 
U I (2-1)
,
U 
= U
:
ω. = (1-s) M. = P./ω. (2-2)
2) , , , . (2-1) 2 (2-3)
PYY = U I 
(2- 3)
(2- 3) 3
PYY = 
U I = 
U I = P. = 1,15 P.
PYY = P. = 1,15 P. (2-4)
(2-4) , (YY) . :
ωYY = (1-s) = (1-s) = 2ω., (2-5)
ωYY = 2ω..
, (YY):
MYY = PYY/ωYY =1.15P./2ω. = 0,58 M.
MYY =0,58 M. (2-6)
, , , 0,58 ( ).
, ( ).
:
a) 16%, .. ( - );
b) 2 ;
c) 2
( 
= 0,58 
).
, .. . , 2 ( = 0,58 ).
, - , () .
. (1-1) , .
, . 
.
|
|
|
, . , , .
() , , , .
, 
.
(1-2)
(1-2) :
:
(1-3):
: 
, 
;
.
(1-3) , . .. .
.
,
(1-4) (1-3)
: 
, ;
, .
.
.
