CONFIGURATIONS:
Based on: The parameter selection to base your condition on
Parameter (X): Used t o s elect t he s pecific p arameter f rom a
previously selected group. The selected parameter will be used as the
"X" variable in the condition rules (operation)
Magnitude Calculation: Determines the way the condition engine will
compute the resulting magnitude o f c hange in accordance to its set
of r ules. Fo r e xample i f d efined a v oltage change r ule, w here no w
voltage ("X") i s 280V while i ts r eference ("V") i s 2 30V, t he c omputed
deviation n ow w ill b e 2 1% - this i s th e instant d eviation, b ut w hat
happens if event continues and the next value sampled is 260V? Now
the deviation is o nly 1 3% s o w hat v alue s hould be r eported? T he
"Magnitude calculation" f ield d efines how t he v alue i s b eing
computed. It is either by saving the maximum deviation measured or
by average in between all values measured during the event
Averaging Time: Setting av eraging t ime enables the user to e xtend
the s ampling in terval. F or in stance if u ser s elected " 3 p hase
differential V" parameter, the typical time is 200[ms] (per IEC-61000-
4-30). Yet, if the user change it to 3sec, it means the value will be
averaged and a s ample will b e taken only ev ery 3 seconds, meaning
that quick rapid change of voltage will be smoothed by the averaging
operation and would not be detected
Activation Section: Used to c onfigure th e r ules tha t w ill b e
applied t o ca use r eal-time act ivation o f t he co ndition (change
from 0 -> 1). For example, if you set the following: Voltage RMS 1
(X = V1 ), c ompare to i s s et t o t he configured N ominal v oltage
(say, V = 230V), Deviation is set 10 (D = 10%) and Operation is set
100*(|X-V|/V) >= D, the condition will be activated when the RMS
voltage o f channel 1 g oes 1 0% ab ove o r 1 0% b elow n ominal
voltage
Deactivation Section: Used t o configure t he r ules t hat w ill b e
applied to cause real-time de-activation of the condition (change
from 1 -> 0). For example, if you set the following: Voltage RMS 1
(X = V1 ), C ompare t o i s s et to the c onfigured N ominal v oltage
(say, V = 230V), Deviation is set 10 (D = 10%) and Operation is set
100*(|X-V|/V) < D , t he c ondition w ill be d e-activated when the
RMS voltage of channel 1 goes below 10% deviation from nominal
Compare to: Used t o s elect t he t ype o f r eference v alue ( "V") t o
compare to the X parameter value
Parameter: Reference t o sy stem p arameter su ch a s n ominal voltage
value
Deviation ("D"): Defines the v alue us ed i n the operation f ormula.
Notice t hat so me o perations d o n ot contain d eviation; in su ch ca ses
the deviation configuration is not in use
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