90
must clear the event log, and then the logging will log the new event. When
the log is cleared, the new event will be logged from the first event happening.
There will be no data loss after the power is off.
3. Event Logging Triggering Conditions
1)Voltage Sag
When any phase of the three phase voltage is lower than the set value (voltage
rated value x threshold %), there will be a Voltage Sag event. One or two phase
of the three phase voltage sags does not influence the other voltage response
to the voltage sag monitoring. In other words, if the voltage sag happens again
at the same time, a new voltage sag event will still be logged. Only when the
voltage phase in the voltage sag condition restores back to normal, this phase
can response to the new voltage sag event.
2)Voltage Swell
When any phase of the three phase voltage is higher than the set value (voltage
rated value x threshold %), there will be an Voltage Swell event. When one
phase Voltage Swell happens, the other phase will not respond to Voltage Swell
event logging. Only when all of the phases voltage restore back to normal, a
new Voltage Swell event will be responded.
Note:
The following figure depicts how to set the parameters for Power Quality Event
Logging and Waveform Capture. In the parameter settings, Voltage Sag and
Voltage Swell share the same voltage rated value. The parameters for event
logging includes: voltage rated value, voltage sag threshold, voltage sag half
cycle count and voltage swell threshold. Those parameters also fit voltage sag
waveform capture. The other triggering conditions for Waveform Capture can
be set when necessary. When the Waveform Capture triggering by Voltage Sag
and Voltage Swell is enabled, the corresponding event log and waveform will be
recorded when Voltage Sag or Voltage Swell happens.
Shop for Power Metering products online at:
1.877.766.5412
www.
PowerMeterStore
.com
Содержание Acuvim II
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