.
Q,i = P,i * (tg(arccos i) - tg ),
tg =0,3 .
:
Q,i =35*0,9* (tg(arccos0,956) tg(0,3))=31,5*(0,776-0,3)=14,99
-10.5-2700 |
F j: .
,
- , [2, c. 78].
- , Tmax=4200 [2, .3.13].
J =0,9 /2 [2, .3.12].
[3]:
- ;
- .
: .
, (80%):
. |
. |
220
AC-300 | |
I.,A | 175,8 |
I,A |
220 300 2
220 ( 1 )
,2 | r0, | x0, |
0.096 | 0.429 |
35
AC-150 | |
I.,A | |
I,A |
35 95 2
. |
. |
, 2 | r0, | x0, |
0.204 | 0.406 |
-63000/220:
-63000/220 | |
S, | |
U, | |
U, | 38,5 |
U, | |
Px, | |
Pk, | |
U-, | 12,5 |
U-, | |
U-, | 10,5 |
ix, % |
.
.
:
. 4.2. .
: S=1000
:
U1=230; U2=38,5; U3=11;
:
I1=S/(1.732U1)=1000/(1.732230)=2.51
I2=S/(1.732U2)=1000/(1.73238,5)=14,996
I3=S/(1.732U3)=1000/(1.73211)=52,49
|
|
.
:
Ec=U/U1=220/230=0.957
Ec=U/U2=35/38,5=0.909
. |
. |
Rc=rXc/100=50,063/100=0.003
Rc=rXc/100=70.673/100=0.047
:
X=0.5x0lS/U12=0.50.429581000/52900=0.235
R=0.5r0lS/U12=0.50.096581000/52900=0.05
X=0.5x0lS/U22=0.50,406241000/1482,25=3,29
R=0.5r0lS/U22=0.50,204241000/1482,25=1,65
:
U=0.5U-+U--U-=0.5(12,5+24-10,5)=13
U=0.5U-+U--U-=0.5(12,5+10,5-24)=0
U=0.5U-+U--U-=0.5(24+10,5-12,5)=11
X=U/100S/S=13/1001000/63=2,06
X=U/100S/S=0/1001000/63=0
X=U/100S/S=11/1001000/63=1,75
R=R=R=0.5P10-3S/S2=0.532010-31000/3969=0.04
:
R1=Rc+R=0.003+0.05=0.053
X1=Xc+X=0.063+0.235=0.3
R2=R+R+Rc+R=0.04+0.04+0.047+1,65=1,78
X2=X+X+Xc+X=2,06+0+0.673+3,29=6,02
R=R1R2/(R1+R2)=0.0531,78/(0.053+1,78)=0.05
X=X1X2/(X1+X2)=0.36,02/(0.3+6,062)=0.3
. |
. |
E=(EcZ2+EcZ1)/(Z1+Z2)=(0.9576,28+0.9090.3)/(0.3+6.28)=0.95
I0.=(E/Z)I1=(0.95/0.3)2.51=7,9
:
R1=R+R+Rc+R=0.04+0.04+0.003+0.05=0.133
X1=X+X+Xc+X=2,06+0.063+0.235=2,36
R2=Rc+R=0.047+1,65=1,7
X2=Xc+X=0.673+3,29=4
R=R1R2/(R1+R2)=0.1331,7/(0.133+1,7)=0.12
X=X1X2/(X1+X2)=2,364/(2,36+4)=1,5
Z=(R2+X2)1/2=(0.122+1,52)1/2=1,5
E=(EcZ2+EcZ1)/(Z1+Z2)=(0.9574,3+0.9092,36)/(2,36+4,3)=0.94
I0.=(E/Z)I2=(0.94/1,5)14.996=9,4
:
R1=Rc+R+R=0.003+0.05+0.04=0.1
. |
. |
R2=Rc+R+R=0.05+1,65+0.04=2
X2=Xc+X+X=0.673+3,29+0=4
R=R+R1R2/(R1+R2)=0.04+0.12/(0.1+2)=0.12
X=X+X1X2/(X1+X2)=1.75+2,44/(2,4+4)=3,87
E=(EcZ2+EcZ1)/(Z1+Z2)=(0.9574,4+0.9092,36)/(2,36+4,4)=0.94
I0.=E/ZI3=(0.94/3,87)52.49=12,75