ABB RELION REF615R, Technical Manual

Page: 403 / 664

7.1.5.5 Monitored data
Table 308: VA, VB, VC Monitored data
Name Type Values (Range) Unit Description
VAB-kV FLOAT32 0.00...4.00 xUn Measured phase to phase
voltage amplitude phase AB
VBC-kV FLOAT32 0.00...4.00 xUn Measured phase to phase
voltage amplitude phase BC
VCA-kV FLOAT32 0.00...4.00 xUn Measured phase to phase
voltage amplitude phase CA
7.1.5.6 Technical data
Table 309: VA, VB, VC Technical data
Characteristic Value
Operation accuracy Depending on the frequency of the voltage
measured: f
n
±2 Hz
At voltages in range 0.01…1.15 × V
n
Voltage:±0.5% or ±0.002 × V
n
Phase angle: ±2.5°
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
RMS: No suppression
7.1.6 Ground current IG
7.1.6.1 Identification
Function description IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Residual current measurement RESCMMXU Io IG
7.1.6.2 Function block
A070778-ANSI V1 EN
Figure 206: Function block
1MRS240050-IB C
Section 7
Measurement functions
REF615R 397
Technical Manual