Dranetz Xplorer Guide de l'utilisateur Page 126

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6-6
Recording Transients, continued
Procedure to
record transient
disturbance
(continued)
Continued on next page
Action... Result...
STEP 2: The high speed sampling
analog board installed in PX5
enables it to detect high frequency
transients.
•Press the limit field to change
limit. Use the keypad to enter
the high frequency limit.
Enable toggles whether this
limit is enabled or disabled.
Amps toggles between Volts
and Amps.
•Press Group A B C to set
identical threshold value for
Channels A, B and C.
•Press Next to set the
waveshape threshold duration.
Proceed to Step 3.
•Press Prev to return to the
instantaneous peak transient
screen.
•Press Cancel to retain previous
high frequency limit and return
to Advanced Options menu.
MARK112_103
STEP 3: PX5 shows the “floating
window” algorithm used for
waveshape fault detection.
Press limit field under
Threshold to change limit. Use
the keypad to enter the
threshold limit or tolerance. If
the wave samples differ by
more than the threshold
tolerance for a time exceeding
the duration or window percent
of power frequency cycle, a
waveshape fault is registered.
Press limit field under
Duration to change limit. Use
the keypad to enter the
threshold duration or window.
MARK112_104
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