4.5 Minimum and maximum values
4 Measurement functions
Technical description
140
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VM50.EN004
Demand value parameters
Parameter Value
Unit Description
Set
Time
10 ... 30
min
Demand time (averaging time)
Set
Fundamental frequency values
IL1da
A
Demand of phase current IL1
IL2da
A
Demand of phase current IL2
IL3da
A
Demand of phase current IL3
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
IL1da
A
Demand of phase current IL1
IL2da
A
Demand of phase current IL2
IL3da
A
Demand of phase current IL3
4.5.
Minimum and maximum values
Minimum and maximum values are registered with time
stamps since the latest manual clearing or since the device has
been restarted. The available registered min & max values are
listed in the following table.
Min & Max
measurement
Description
IL1, IL2, IL3
Phase current (fundamental frequency value)
IL1RMS, IL2RMS,
IL3RMS
Phase current, rms value
Io1 Residual
current
U12 Line-to-line
voltage
Uo
Zero sequence voltage
f Frequency
P, Q, S
Active, reactive, apparent power
IL1da, IL2da, IL3da
Demand values of phase currents
IL1da, IL2da, IL3da
(rms value)
Demand values of phase currents, rms values
PFda
Power factor demand value
The clearing parameter "ClrMax" is common for all these
values.
Parameters
Parameter Value Description
Set
ClrMax
Clear
Reset all minimum and maximum
values
S