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I= S/U = 0,087
Z= U/I= 230/0,087 = 2674 Ohm
U = 230V
I = 3,2A
W= 460Wh
ges.: QL, cosp
QL = UL*IL = 230*3,2 = 736 var
P = U*I = 230*3,2 =736W
S = U*I = 736 va
cosp = P/S
cosp = 736/736 = 1
P = 58kW 58000
Q = 40kvar 40000
ges.: cosp
S = P² + Q² = 70455,65
4)
Geg: U=230V
f=50hz
I=0,68A
0,51kap
Ges:Wirk,Blind und Scheinleistung und Scheinwiderstand
S = U*I = 230*0,68 = Scheinleistung: 156,4 VA
P = U*I = 230*0,68 = Wirkleistung: 156,4 W
Z = U/I = 230/0,68 = Scheinwiderstand:338,24 Ohm
Xc = U/I = 230/0,68 = Blindwiderstand 338,24 Ohm
P = 4kW