Elektrotehnika iseseisev töö
S = U I = 422,28 4,14 = 1748,2VA
2)
I=4,14 A U= 340,51V R2=20 Z2=82,25
cos = 0,243 sin = 0,9699
P=342,6 W Q= 1367,3var S=1409,7 VA
3)
I=4,14 A U=121,9V R3=20 Z3=29,44
cos = 0,679 sin = 0,734
P=342,67 W Q=370,4 var S=504,666VA
4) I=5 A U= 302,6V R4=60 Z4=60,53
cos = 0,9912 sin = 0,132
P= 1499,7W Q=199,7var S=1513VA
5)
I=5 A U=58,96V R5= 10 Z5=11,79
cos = 0,848 sin = 0,53
P=249,99W Q=156,244 var S=294,8VA
6)
I=5 A U=250,0000002V R6= 50 Z6=50,00000039
cos = 0,99999 sin = 0,000125
P= 1249,999W Q=0,15625var S=1250VA
Skeemis on ainult aktiivtakistused:
Ülemine haru:
r1=100 r2=19,9 r3=20 r4=79,78 r5= 20 r6=21,6
rkogu=100+19,9+20+79,78+20+21,6=261,28
U 600
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