Ht-instruments PQA824 Manual do Utilizador descarregar pdf (Página 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

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Ht-instruments PQA824 Manual do Utilizador Página 30