7-17
CH 7/ View Event Data
Section B
Trend
Overview
Trend categories
PX5 is able to display statistical trends or plots for the following parameter categories:
Standard
: Parameters include basic volts and amps, displacement power factor, residual
and net current, energy, harmonics, standard demand, and standard flicker. These power
parameters are measured more accurately using a one (1) second interval, summarized
by min, max and avg at the end of the interval.
Distortion TIF RMS, THD, Frequency
: Parameters include voltage and current THD,
voltage and current TID, voltage and current TIF rms, crest factor, signed and unsigned
harmonic, and transformer factor.
User Specified Frequency
: Users have the option to choose the numbers or range of
harmonic frequencies to trend.
Unbalance
: Parameters include positive, negative and zero sequence components for
voltage and current.
Advanced Power
: Parameters include power factor calculated using arithmetic and
vector sums of the individual phases.
Advanced Demand
: Parameters include peak power, predicted demand, coincident
power, and coincident power factor parameters. These parameters measure the ratio of
maximum demand of the power distribution system to the total connected load of the
system.
Advanced Energy
: Parameters include energy on per phase and total basis as well as in
forward and reverse mode.
Advanced Harmonics
: Voltage and current harmonics and interharmonics for each
phase and neutral channel can be trended. Users can enter the number of harmonic
frequencies to trend. Harmonics are measured in accordance with IEC 61000-4-7 Class
I.
NOTE: See pages 6-18 to 6-20 for the detailed list of parameters available for trending.
In this section
The following topics are covered in this section.
Topic See Page
Trend Display 7-18
Trend Setup 7-19
www.GlobalTestSupply.com
Find Quality Products Online at: sales@GlobalTestSupply.com
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