MI 2792A PowerQ4 Plus Ang Ver 1.0 20 752 082

MI 2792A PowerQ4 Plus

Operating the instrument

If “Trigger source” is selected, change Trigger source.

If SIGNALS dialog box is open, scroll through all channels.

If “Store buffer” is selected, change Store buffer size.

If “Pre – trigger length” is selected, change pre – trigger buffer size.

Open SIGNALS dialog box (if “Signals” is selected). In this dialog box the individual signals can be selected for recording.

Return to the “RECORDERS” menu screen or close the SIGNALS dialog box (if the dialog box is open).

3.10.2 Capturing waveform

Following screen opens when a user starts the waveform recorder.

Figure 3.34: Waveform recorder capture screen.

Table 3.42: Instrument screen symbols and abbreviations

f

Up p: [1..3, N]

Upg p,g: [1, 2, 3]

Ip p: [1..3, N]

Thd

Current instrument status:

 Instrument

 Instrument is recording (beep indicates that trigger limit has been reached.

 Instrument is busy (saving data to memory).

Current instrument time

True effective value of phase voltage:

U

1Rms

, U

2Rms

, U

3Rms

, U

NRms

True effective value of phase-to-phase (line) voltage:

U

12Rms

, U

23Rms

, U

31Rms

True effective value of current:

I

1Rms

, I

2Rms

, I

3Rms

, I

NRms

Total harmonic distortion for displayed quantity (THD

U

or THD

I

)

Frequency on reference channel

Table 3.43: Keys functions

Manually generate trigger condition (Active only if Manual trigger is selected and recording is in progress).

Select which waveforms to show:

Show voltage waveform;

Show current waveform ;

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