HT instruments PQA824 - Manual (Page 30)

PQA400 - PQA823 - PQA824
EN - 29
 Simultaneous waveforms of currents I1, I2, I3 and neutral current In (for three phase 4-
wire system, not available for PQA400), with their TRMS values as shown in below
screens:
12/09/2006 – 16:55:10
SCOPE CURRENTS – Page 2/5
Fs 400.0A
I1 299.4A
I2 302.5A
I3 297.7A
In 97.8 A
PAGE
Fig. 49: Current waveforms screen for 4-wire systems
12/09/2006 – 16:55:10
SCOPE CURRENTS – Page 2/5
Fs 400.0A
I1 299.4A
I2 302.5A
I3 297.7A
PAGE
Fig. 50: Current waveforms screen for 3-wire systems and ARON
 Waveforms of signals on L1 phase, with their TRMS values, as below shown:
12/09/2006 – 16:55:10
SCOPE PHASE1 – Page 3/5
Fs 400.0V
V1 223.4V
Fs 400.0A
I1 299.4A
PAGE ZOOM V
Fig. 51: Voltage/Current waveforms screen L1 phase for 4-wire and 3-wire systems
12/09/2006 – 16:55:10
SCOPE PHASE1 – Page 3/5
Fs 400.0V
V12 382.4V
Fs 400.0A
I1 201.5A
PAGE ZOOM V
Fig. 52: Voltage/Current waveforms screen L1 phase for ARON systems