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Power Quality Analyzer Model 8335
Total generated active energy
Wh[1][3] = Wh[1][0] + Wh[1][1] + Wh[1][2]
Total generated apparent energy
VAh[1][3] = VAh[1][0] + VAh[1][1] + VAh[1][2]
Total generated capacitive reactive energy
VARhC[1][3] = VARhC[1][0] + VARhC[1][1] + VARhC[1][2]
Total generated inductive reactive energy
VARhL[1][3] = VARhL[1][0] + VARhL[1][1] + VARhL[1][2]
Hysteresis
Hysteresis is a filtering principle, often used after the threshold detection has
occurred. A correct setting of hysteresis value will avoid repeated triggering when
the measure is varying close to the threshold.
The event detection is activated when the measure is going over the threshold but
it can only be deactivated if the measure goes under the threshold minus the value
of the hysteresis.
The default hysteresis value is 2% of the reference voltage but it may be set in the
range of [1%, 5%] depending on the voltage stability on the system.
Alarm for high voltage RMS (Swell Detection)
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