( )
- , , . S = f(t), V = f¢(t) a=f¢¢(t) S = f(j1), V = f¢(j1) a = f¢¢(j1) j1 . .
.
3. (. 2.2) B , , , , . 1 n1=150 /
. X Y B, 0 0. , ,
0 0, 120 , , ×-1,
.
0 0 12 , .
SB kS = kl = 0,008 /, .. ( , () ). 1, 2, 3, 11 , , . , .
, . (0 1; 1 2; 2 3 . .) a, b, c,... c¢, b¢, a¢. Y 1 PV. 1 = 30 . PV ,
y.
a, b, c,... c¢, b¢, a¢ y , , . , .
, . 2 20 .
:
/;
/;
/;
/ × -1;
/2 × -1.
, .
|
|
, . , , ; .
:
1) , pV . . a, b, c,... s , A, B, C,... S (. 2.3, ). , , V (1, 2);
2) , , , . , . , VB b, VDO2 VDC O2 d d (. 2.3, );
3) , , 90 . .
3. (. .2.3, ) , 2 (j1 = 135). n1 = 150 /, w1 = 15,7 -1. (S1... S5).
. 1 , /:
vA = w1lO1A; vA = 15,7 × 0,200 = 3,120. (2.2)
1 . V (), ; . , / × -1,
. (2.3)
pV, 1, 2, 1 V = 94,2 (. . 2.3, ).
|
:
; (2.4)
- , ;
.
: , ( ). , V . b, :
/. (2.5)
ab :
|
|
/. (2.6)
( ):
. (2.7)
, . , , /:
. (2.8)
D :
(2.9)
, ;
D ;
2 ( );
D 2.
: DC, ( ); DO2, 2 ( pV). D. D
vD = pVd kV; vD = 58×0,033 = 1,914 /. (2.10)
pVd.
dc vDC D :
vDC = dc kV; vDC = 57×0,033 = 1,881 /. (2.11)
dO2 (pVd) D 2:
vDO2 = vD = pVd kV; vDO2 = 58×0,033 = 1,914 /. (2.12)
( ), S1 S5, . V, , /:
vS1 = pVS1 kV; vS1 = 47,1×0,033 = 1,554;
vS2 = pVS2 kV; vS2 = 73×0,033 = 2,409;
vS3 = vD = pVd kV; vS3 = 75×0,033 = 2,475; (2.13)
vS4 = pVS4 kV; vS4 = 63×0,033 = 2,079;
vS5 = pVS5 kV; vS5 = 29×0,033 = 0,957.
,
2, 4, 5, -1:
;
;
.
w3 = 0, .
, b , 2 , . w4 ( ) w5 ( ).