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
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