Measured values - Arc protection - Bay control and measurement - Merging unit - Operation Manual - SMU615 Substation Merging Unit - 1.0 - IEC - ANSI - 06.06.2023

SMU615 Operation Manual

Measured values can be accessed through the LHMI, WHMI or PCM600.

Table 1. 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