PPA55xx Quick User Guide
Page 69
To view the total Impedance
calculated you will need to change
the display screen back from “Auto”
to “Impedance” as shown
Transformer Mode (Three Phase)
When performing analysis of a 3 Phase load, transformer mode is extremely
useful. The PPA will display phase balance information in an intuitive manner
without the requirement for a vector display, this has the advantage of
maintaining 5 digit resolution which is not possible whilst attempting to visually
interpret phase balance on a conventional vector display.
As illustrated, the PPA is able to
display 3 phase power
simultaneously, along with this the
Voltage % and Current % deviation
from the phase 1 readings displayed.
The phase reference is taken from
phase 1 Voltage and we can see that
phase 2 and 3 are (120-0.28) deg
and (240-0.09) deg respectively.
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