AEM 3945-B Manual

A SERVICE OF

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36

Power Quality Analyzer Model 3945-B

CHAPTER 5

DISPLAY MODES

The screen presentations in this section depict three-phase setups for the purpose

ofexplainingthevariouschoices.Youractualscreenswillappeardifferentlybased

upon your particular set up.

5.1 Waveform Mode

Press the waveform display mode button -

5.1.1 RMS Voltage Measurement on a Three-phase System

300V

RMS

0

-300

<t= 5.0ms V1= +276 V2= -140 V3= -145 >

3U

3V

3A

L1

L2

L3

THD CF

max

min

4

1

2

3

202.5 v 202.0 v 202.7 v

1 2 3

07/25/0249.99Hz 10:26 100

%

Figure 5-1

 Values measured for each waveform, updated every second, according to the

measurement type chosen with the variable function buttons. Value will be

color matched to its waveform.

 Instantaneous values of signals at time “t”, at the intersection of the cursor

andthewaveforms.Thecursorismovedalongthetimeaxiswiththe

buttons.