The system of phase voltages is symmetrical with an effective value of phase voltage U, = 420V Problem 2: Three phase circuit - The impedances of the load and of the line conductors are: * Zline 1' 1 W Zload = Zatoad = Z3ioad = Złoad= (6+ j6)N = Zme = (1+ j)N %3D E1 'Iload (2load '3load Zload Zline = = Zaline = Z3line =DZ, %3D %3D '2line E3 E2 0' Zine 3 Z, Zload1 2' load A Find: a) the currents of the three-phase circuit: i(t) =? Baybrne Zme Line I3 b) the readings:Pw =? = ? %D

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The system of phase voltages is symmetrical
with an effective value of phase voltage U, = 420V
Problem 2: Three phase circuit
-
The impedances of the load and of the line
conductors are:
*
Zline
1'
1
W
Zload = Zatoad = Z3ioad = Złoad= (6+ j6)N
= Zme = (1+ j)N
%3D
E1
'Iload
(2load
'3load
Zload
Zline =
= Zaline = Z3line
=DZ,
%3D
%3D
'2line
E3
E2
0'
Zine
3
Z,
Zload1
2'
load
A
Find: a) the currents of the three-phase circuit:
i(t) =?
Baybrne
Zme
Line
I3
b) the readings:Pw =?
= ?
%D
Transcribed Image Text:The system of phase voltages is symmetrical with an effective value of phase voltage U, = 420V Problem 2: Three phase circuit - The impedances of the load and of the line conductors are: * Zline 1' 1 W Zload = Zatoad = Z3ioad = Złoad= (6+ j6)N = Zme = (1+ j)N %3D E1 'Iload (2load '3load Zload Zline = = Zaline = Z3line =DZ, %3D %3D '2line E3 E2 0' Zine 3 Z, Zload1 2' load A Find: a) the currents of the three-phase circuit: i(t) =? Baybrne Zme Line I3 b) the readings:Pw =? = ? %D
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