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38
Power Quality Analyzer Model 3945-B
5.1.3 RMS Current Measurement on the 3 Phases and
Neutral Current on a Three Phase-4 Wire System
27A
RMS
0
-27
<t= 5.0ms l1= +26 12= -13 13= -13 IN= +1 >
19.1 A 18.5 A 17.1 A1.2 A
N
3U
3V
4A
L1
L2
L3
THD CF
max
min
07/25/0260.00Hz 10:26 100
%
1 2 3
Figure 5-3
5.1.4 Total Harmonic Distortion Measurement on One Phase
290V
RMS
0
-290
2.1 % 3.5 % 1.9 %
3U
3V
4A
L1
L2
L3
THD CF
max
min
07/25/0260.00Hz 10:26 100
%
<t= 5.0ms V1= +280 V2= -144 V3= -145 >
1 2 3
Figure 5-4