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10.8.6 Harmonics
Harmonics measurements for voltage and current on all phases can be displayed using the
Harmonics display screen as illustrated below. Both Bar Chart and Table displays are shown. The
distortion values for the parameter selected (Voltage or Current) are display in a table directly
below the Bar chart area.
Available selections in this measurement screen are:
CONTROL
SELECTED PHASE
MEASUREMENT TYPE
FROM
TO
AUTO REFRESH
REFRESH PERIOD
REFRESH
EXPORT GRAPH
EXPORT DATA
Entire Contents Copyright
2018 by Pacific Power Source, Inc. (PPS) • All Rights Reserved • No reproduction without written authorization from PPS.
LMX Series Power Source Operation Manual
Purpose
Selects Voltage L-N, Voltage L-L, Current or Both Voltage & Current
Selects the first harmonic number to display. Range is 1 ~ 49
Selects the last harmonic number to display. Range is 2 ~ 50
Turns AUTO REFRESH mode ON or OFF
Sets interval time for AUTO REFRESH mode in seconds. Range is 5 ~ 100.
Manual REFRESH button
Downloads image for displayed Bar chart. See sample below.
Downloads captured harmonics data in csv format text file. See sample
below.
LMX SERIES™ OPERATION MANUAL
LAN Interface Configuration
SECTION 10:
Measurement
Phase A[%]
THD
455.98
OHD
354.89
EHD
286.32
#
Freq.[Hz]
1
50
2
100
3
150
4
200
5
250
6
300
7
350
8
400
Phase A
Phase A
Mag.[%]
Phase.[Deg]
100
75.89
51.72
60.61
76.38
70.94
30.75
329.44
80.49
243.12
70.33
18.6
72.99
257.95
59.41
268.51
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