.
t1=2 t2=4 t3=2 t4=2 t5=2 t6=4 t7=1
t=17
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P1/P *100%=80000/90000*100%=88.89%
MC1=0.8889*M=0.8889*1491.844=1326.1
C1=0.8889* =0.8889*60.328=53.626 c-1
P2/P *100%=60000/90000*100%=66.67%
MC2=0.6667*M=0.6667*1491.844=994.612
C2=0.6667* =0.6667*60.328=40.22 c-1
P3/P *100%=63000/90000*100%=70%
MC3=0.7 *M=0.7*1491.844=1044.29
C3=0.7* =0.7*60.328=42.23 c-1
P4/P *100%=70000/90000*100%=77.78%
MC4=0.7778*M=0.7778*1491.844=1160.356
C4=0.7778* =0.7778*60.328=46.923 c-1
P5/P *100%=70000/90000*100%=77.78%
MC5=0.7778*M=0.7778*1491.844=1160.356
C5=0.7778* =0.7778*60.328=46.923 c-1
P6/P *100%=70000/90000*100%=77.78%
MC6=0.7778*M=0.7778*1491.844=1160.356
C6=0.7778* =0.7778*60.328=46.923 c-1
P7/P *100%=40000/90000*100%=44.44%
MC7=0.4444*M=0.4444*1491.844=662.975
C7=0.4444* =0.4444*60.328=26.81 c-1
=4874.18
VC=VC1+ VC2+ VC3+ VC4+ VC5+ VC6+ VC7=
=1326.1*53.626*0.03467+994.612*40.22*0.026+1044.29*42.23*0.0273+1160.356*46.923*0.0303+1160.356*46.923*0.0303+1160.356*46.923*0.0303+662.975*26.81*0.01733=9861.349
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η=/= i*ti/( i*ti+ Pi*ti)= i*ti/( i*ti+K i+ i)=
= Ci* Ci*ti/( Ci* Ci*tii+ Pi*ti)=(1326.1*53.626*2+994.612*40.22*4+1044.29*42.23*2+1160.356*46.923*2+1160.356*46.923*2+1160.356*46.923*4+662.975*26.81*1)/(1326.1*53.626*2+994.612*40.22*4+1044.29*42.23*2+1160.356*46.923*2+1160.356*46.923*2+1160.356*46.923*4+662.975*26.81*1+1326.1*53.626*0.03467*2+994.612*40.22*0.026*4+1044.29*42.23*0.0273*2+1160.356*46.923*0.0303*2+1160.356*46.923*0.0303*2+1160.356*46.923*0.0303*4+662.975*26.81*0.01733*1)= 843794.2256/(843794.2256+107866.4)=0.887
,
sC1=s*MC1/M=0.039*0.8889=0.03467
sC2=s*MC2/M=0.039*0.6667=0.026
sC3=s*MC3/M=0.039*0.7=0.0273
sC4=s*MC4/M=0.039*0.7778=0.0303
sC5=s*MC5/M=0.039*0.7778=0.0303
sC6=s*MC6/M=0.039*0.7778=0.0303
sC7=s*MC7/M=0.039*0.4444 =0.0173
,
I2(C1)=U1/ ((RC2+RP/sC1)2+XK2)=220/ ((0.0382+0.151/0.03467)2+1.32)=48.388 A
I2(C2)=U1/ ((RC2+RP /sC2)2+XK2)=220/ ((0.0382+0.151/0.026)2+1.32)=36.957 A
I2(C3)=U1/ ((RC2+RP /sC3)2+XK2)=220/ ((0.0382+0.151/0.0273)2+1.32)=38.71 A
I2(C4)=U1/ ((RC2+RP /sC4)2+XK2)=220/ ((0.0382+0.151/0.0303)2+1.32)=42.705 A
I2(C5)=U1/ ((RC2+RP/sC5)2+XK2)=220/ ((0.0382+0.151/0.0303)2+1.32)= 42.705 A
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I2(C6)=U1/ ((RC2+RP/sC6)2+XK2)=220/ ((0.0382+0.151/0.0303)2+1.32)= 42.705A
I2(C7)=U1/ ((RC2+RP/sC7)2+XK2)=220/ ((0.0382+0.151/0.0173)2+1.32)=24.967 A
I1=P/(3*U1*η*cos )=90000/(3*220*0.905*0.81)=186.02
I2=U1/ ((RC2+RP / s)2+XK2)=220/ ((0.0382+0.151/0.039)2+1.32)=53.848 A
,
P=3*U1*I1*cos =3*220*186.02*0.81=99446.292
P=P!-P=99446.292-90000=9446.292
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PA1=MC1* C1+K+V7 =1326.1*53.626+4874.18+1326.1*53.626*0.03467=78453.122
PA2=MC2* C1+K+V7 =994.612*40.22+4874.18+994.612*40.22*0.026=45917.56
PA3=MC3* C1+K+V7 =
=1044.29*42.23+4874.18+1044.29*42.23*0.0273=50178.487
PA4=MC4* C1+K+V7 =
=1160.356*46.923+4874.18+1160.356*46.923*0.0303=60971.32
PA5=MC5* C1+K+V7 =
=1160.356*46.923+4874.18+1160.356*46.923*0.0303=60971.32
PA6=MC6* C1+K+V7 =
=1160.356*46.923+4874.18+1160.356*46.923*0.0303=60971.32
PA7=MC7* C1+K+V7 =
=662.975*26.81+4874.18+662.975*26.81*0.01733=22956.569
PA= 380419.699
PA1=(MC1* C1+K+V7)*t1=(1326.1*53.626+4874.18+1326.1*53.626*0.03467)*2=156906.243
PA2=(MC2* C1+K+V7)*t2=(994.612*40.22+4874.18+994.612*40.22
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PA3=(MC3* C1+K+V7)*t3=(1044.29*42.23+4874.18+1044.29*42.23*0.0273)*2=100356.973
PA4=(MC4* C1+K+V7)*t4=(1160.356*46.923+4874.18+1160.356*46.923*0.0303)*2=121942.64
PA5=(MC5* C1+K+V7)*t5=(1160.356*46.923+4874.18+1160.356*46.923*0.0303)*2=121942.64
PA6=(MC6* C1+K+V7)*t6=(1160.356*46.923+4874.18+1160.356*46.923*0.0303)*4=243885.2814
PA7=(MC7* C1+K+V7)*t7=(662.975*26.81+4874.18+662.975*26.81*0.01733)*1=22956.5694
PA=951660.76
A=A1+ A2+ A3+ A4+ A5+ A6+ A7=PA1*t1+ PA2*t2+ PA3*t3+ PA4*t4+ PA5*t5+ PA6*t6+ PA7*t7=
=156906.243+183670.412+100356.973+121942.64+121942.64+243885.2814+22956.5694=
=951660.76 /=951.66076 /
I = U1/ (RC2+ X 2)=220/ (0.0382+ 3.92)=56.4 A
IXX=I
Q1=3* U1*IXX+3* I2(C1)2*XK=3*220*56.4+3*1.32*48.3882=49094.89
Q2=3* U1*IXX+3* I2(C2)2*XK=3*220*56.4+3*1.32*36.9572=44148.707
Q3=3* U1*IXX+3* I2(C3)2*XK=3*220*56.4+3*1.32*38.712=44821.213
Q4=3* U1*IXX+3* I2(C4)2*XK=3*220*56.4+3*1.32*42.7052=46470.245
Q5=3* U1*IXX+3* I2(C5)2*XK=3*220*56.4+3*1.32*42.7052=46470.245
Q6=3* U1*IXX+3* I2(C6)2*XK=3*220*56.4+3*1.32*42.7052=46470.245
Q7=3* U1*IXX+3* I2(C7)2*XK=3*2
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Q= Q1+ Q2+ Q3+ Q4+ Q5+ Q6+ Q7=
=49094.89+44148.707+44821.213+46470.245+46470.245+46470.245+40384.39=317859.935
S1= (PA2+ Q2)*t1= (49094.892+78453.1222)= 185096.74
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S2= (PA2+ Q2)*t2= (44148.707 2+45917.56 2)=254795
S3= (PA2+ Q2)*t3= (44821.2132+50178.4872)= 134563.32
S4= (PA2+ Q2)*t4= (46470.2452+60971.322)= 153323
S5= (PA2+ Q2)*t5= (46470.245+60971.322)= 153323
S6= (PA2+ Q2)*t6= (46470.2452+60971.322)= 306646
S7= (PA2+ Q2)*t7= (46470.2452+22956.5692)= 46451.034
S= S1+ S2+ S3+ S4+ S5+ S6+S7=
=185096.74+254795+134563.32+153323+153323+306646+46451.034=
=1234198.088
cos = Ai*ti/( i*ti)= 951660.76/1234198.088=0.771
4315M103 90 576.382 /. . , . - , , .
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17
R1 R6
1. .. . .: , 1976.
2. .., .. . .: , 1980.
3. .. . .: , 1997.
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4. .. : / .. . .: , 2008. 432 .
5. .., .. : . 3- ., . .: , 1983. -487 .
6. : / .. , .. , .. . . . .. . .: , , 1984. 367 .
7. 4: / . , .. . .. , .. . .: , 1982. 504 .