Alarm Conditions Confi Guration - AEMC PowerPad 3945 User Manual

6.7.4 Alarm Conditions Confi guration
The Alarm Conditions window allows you to set up 10 alarm confi gurations.
Hysteresis: This value for alarms is set to prevent multiple recordings of an event
that goes above the threshold and a certain percentage below it at times.
Disable All Alarms: When this box is checked, all alarms will be disabled even if
the individual alarm enable box is checked.
Enabled: When check box is checked, alarm is enabled.
Capture Parameter: The Alarm will be triggered based on the value of the
selected parameter.
Choices include:
None: no alarm
Vrms: voltage root mean squared
Urms: voltage phase minus phase
root mean squared
Arms: current root mean squared
VPST: voltage short term fl icker
Vcf: voltage crest factor
Ucf: voltage phase minus phase
crest factor
Acf: current crest factor
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Figure 6-6
Vunb: voltage unbalance
Aunb: current unbalance
Hz: frequency
Akf: current K factor
Vthd: voltage total harmonic distortion
Uthd: voltage phase minus phase
total harmonic distortion
Athd: current total harmonic distortion
W: active power
Power Quality Analyzer Model 3945