Table of Contents
Advertisement
4-4
Supporting Functions
857-UM001A-EN-P – July 2009
Table 4.3 – Disturbance Recorder Parameters (cont.)
Parameter
Value
AddCh
IL1, IL2, IL3
Io1, Io2
U12, U23, U31
UL1, UL2, UL3
Uo
f
P, Q, S
P.F.
CosFii
IoCalc
I1
I2
I2/I1
I2/In
U1
U2
U2/U1
IL
Uphase
Uline
DO
DI
TanFii
THDIL1
THDIL2
THDIL3
THDUa
THDUb
THDUc
DI_2
Prms
Qrms
Srms
fy
fz
U12y
U12z
IL1RMS
IL2RMS
IL3RMS
ClrCh
–
Clear
(Ch)
Set = An editable parameter (password needed)
This is the fundamental frequency rms value of one cycle updated every 10 ms.
This is the fundamental frequency rms value of one cycle updated every 20 ms.
Unit
Description
Add one channel. Maximum
simultaneous number of channels
is 12.
Phase current
Measured residual current
Line-to-line voltage
Phase-to-neutral voltage
Zero sequence voltage
Frequency
Active, reactive, apparent power
Power factor
cos
Phasor sum Io = (IL1+IL2+IL3)/3
Positive sequence current
Negative sequence current
Relative current unbalance
Current unbalance [xI
GN
Positive sequence voltage
Negative sequence voltage
Relative voltage unbalance
Average (IL1 + IL2 + IL3)/3
Average (UL1 + UL2 + UL3)/3
Average (U12 + U23 + U31)/3
Digital outputs
Digital inputs
tan
Total harmonic distortion of IL1
Total harmonic distortion of IL2
Total harmonic distortion of IL3
Total harmonic distortion of input Ua
Total harmonic distortion of input Ub
Total harmonic distortion of input Uc
Digital inputs 21-32
Active power rms value
Reactive power rms value
Apparent power rms value
Frequency behind circuit breaker
Frequency behind 2
nd
breaker
Voltage behind circuit breaker
Voltage behind 2
circuit breaker
nd
IL1 RMS for average sampling
IL2 RMS for average sampling
IL3 RMS for average sampling
Remove all channels
List of selected channels
Note
Set
]
circuit
Set
Advertisement
Table of Contents
