Installation Manual

www.eaton.com IM02601001E 9-7
Functions on the Web Server Pages
X
1
= fundamental value of current or voltage.
x
n
= nth harmonic value of current or voltage.
Trend and Min/Max View
Like most other real-time measures, the % THD Current and Voltage measurements in
the Power Xpert® Meter are trended and minimum and maximum values are logged with
date and time stamps.
Trend View
Harmonics View
(PXM 2270/2280/2290 only) The individual harmonics of the THD may be viewed for up
to 40 harmonics of the fundamental frequency. Select this view from the upper-center
drop down list.