3.2 Disturbance recorder
3 Supporting functions
Technical description
114
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VM50.EN004
Parameter Value
Unit Description
Note
Status
Run
Trig
FULL
Status of recording
Not active
Waiting a triggering
Recording
Memory is full in saturated
mode
ManTrig
Trig
Manual
triggering
Set
ReadyRec
n/m
n = Available recordings
m = maximum number of
recordings
The value of 'm' depends on
sample rate, number and
type of the selected
channels and the
configured recording
length.
Add one channel.
Maximum simultaneous
number of channels is 12.
IL1, IL2,
IL3
Phase current
Io1
Measured residual current
U12, U23,
U31
Line-to-line
voltage
UL1, UL2,
UL3
Phase-to-neutral
voltage
Uo
Zero sequence voltage
f
Frequency
P, Q, S
Active, reactive, apparent
power
P.F.
Power
factor
CosFii
cos
IoCalc
Phasor sum Io =
(
I
L1+
I
L2+
I
L3)/3
I1
Positive sequence current
I2
Negative sequence current
I2/I1
Relative current unbalance
I2/In
Current unbalance [xI
GN
]
IL
Average (IL1 + IL2 + IL3)/3
DO
Digital outputs
DI
Digital
inputs
TanFii
tan
THDIL1
Total harmonic distortion
of IL1
THDIL2
Total harmonic distortion
of IL2
AddCh
THDIL3
Total harmonic distortion
of IL3
Set