Technical description
4 Measurement functions
4.4 Demand values
VM259.EN007
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189
4.4.
Demand values
The device calculates average i.e. demand values of phase
currents I
L1
, I
L2
, I
L3
and power values S, P and Q. The demand
time is configurable from 10 minutes to 30 minutes with
parameter "Demand time".
Demand value parameters
Parameter Value
Unit Description
Set
Time
10 ... 30
min
Demand time (averaging time)
Set
Fundamental frequency values
I
L1
da
A
Demand of phase current I
L1
I
L2
da
A
Demand of phase current I
L2
I
L3
da
A
Demand of phase current I
L3
Pda
kW
Demand of active power P
PFda
Demand of power factor PF
Qda
kvar Demand of reactive power Q
Sda
kVA Demand of apparent power S
RMS values
I
L1
da
A
Demand of phase current I
L1
I
L2
da
A
Demand of phase current I
L2
I
L3
da
A
Demand of phase current I
L3