Power Quality Analyzer Model 3945-B
55
The display below shows the transient selected in Fig. 5-16 on the previous page.
07/25/02 11:22
07/25/02 11:24:21
100%
1
2
3
<t= +0.0ms I1=
IN=
-1 12=
-2
+0 I3= -20
>
30A
0
-30A
3V
4A
L1
L2
L3
Figure 5-17
The screen displays 4 cycles of 256 points/cycle, with 1 cycle before the trigger
and 3 cycles after.
The waveforms to be displayed are selected by pressing on the
buttons.
-
3V
displays the three phase voltages during the transient
-
4A
displays the three phase currents and the neutral current during the
transient
-
L1, L2
or
L3
displays the current and voltage on phase 1, 2 or 3
Instant values at an instant “t”, in relation to the cursor, can be displayed on the
time scale with the
buttons.
: Returns to the transient selection screen
and
: Changes the time scale (screen display of 4, 2 or 1 periods)
centered on the cursor, which can be moved with the
buttons.
All transients captured and stored can be downloaded to a PC with the Data-
View
®
software (see Chapter 6).