4.5 Minimum and maximum values
4 Measurement functions
Technical description
190
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VM259.EN007
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
I
L1
, I
L2
, I
L3
Phase current (fundamental frequency value)
I
L1
RMS, I
L2
RMS,
I
L3
RMS
Phase current, rms value
I
0
Residual current
U
L12
, U
L23
, U
L31
Line-to-line voltage
U
0
Zero sequence voltage
f
Frequency
P, Q, S
Active, reactive, apparent power
I
L1
da, I
L2
da, I
L3
da
Demand values of phase currents
I
L1
da, I
L2
da, I
L3
da
(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