Invalid or questionable measurement values are presented in
parentheses.
6.1.2.1
Measured values
Measured values can be accessed through the LHMI, WHMI or PCM600.
Table 19:
Examples of the measured values
Indicator
Description
IL1-A
Current measured on phase L1
IL2-A
Current measured on phase L2
IL3-A
Current measured on phase L3
I
0
-A
Measured earth-fault current
U
0
-kV
Measured residual voltage
U12-kV
Measured phase-to-phase voltage U12
U23-kV
Measured phase-to-phase voltage U23
U31-kV
Measured phase-to-phase voltage U31
f-Hz
Measured frequency
S-MVA
Total apparent power
P-MW
Total active power
Q-MVar
Total reactive power
PF
Average power factor
Ng-Seq-A
Negative-phase-sequence current
Ps-Seq-A
Positive-phase-sequence current
Zro-Seq-A
Zero-phase-sequence current
Ng-Seq-kV
Negative-phase-sequence voltage
Ps-Seq-kV
Positive-phase-sequence voltage
Zro-Seq-kV
Zero-phase-sequence voltage
6.1.2.2
Using the local HMI for monitoring
1.
Select
Main menu/Measurements
to monitor measured and calculated values.
The list of protection relay's basic measurements is shown.
2.
Scroll the view with
and
.
6.1.3
Recorded data
The protection relay is provided with intelligent and flexible functionality that collects
different kinds of data. The recorded data gives substantial information for post fault
analysis.
1MRS758754 B
Section 6
Operating procedures
REC615 and RER615
89
Operation Manual
