Rms Current Measurement On The 3 Phases And Neutral Current Of A Three Phase-4 Wire System; Total Harmonic Distortion Measurement On One Phase - AEMC PowerPad 3945 User Manual

5.1.3 RMS Current Measurement on the 3 Phases and
Neutral Current of a Three Phase -4 Wire System
60.00Hz
N
27A
0
- 27
<t= 5.0ms l1= +26 12= -13 13= -13 IN=
RMS

5.1.4 Total Harmonic Distortion Measurement on One Phase

60.00Hz
290V
0
-290
<t= 5.0ms V1= +280
RMS
Power Quality Analyzer Model 3945
1.2 19.1
1
A
THD
2.1
1
THD
07/25/02
18.5
2
A
max
CF
min
Figure 5-3
07/25/02
3.5
2
%
V2= -144
max
CF
min
Figure 5-4
10:26 100%
17.1
3
A
+1 >
10:26 100%
1.9
3
%
V3= -145
A
3U
3V
4A
L1
L2
L3
%
3U
3V
4A
L1
L2
L3
>
35