AEM 3945-B Manual

A SERVICE OF

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Power Quality Analyzer Model 3945-B

51

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.

NOTE: All transients captured and stored can be downloaded to a PC with the

DataView

®

software (see Chapter 6).