ABB Relion 620 Series - Three-Phase Power and Energy Measurement PEMMXU

Name Type Values (Range) Unit Description
U1_ANGL FLOAT32 -180.00...180.00 deg Positive se-
quence voltage
angle
U1_DB FLOAT32 0.00...4.00 xUn Positive se-
quence voltage
amplitude, re-
ported value
U1_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Positive se-
quence voltage
amplitude range
U0_INST FLOAT32 0.00...4.00 xUn Zero sequence
voltage ampli-
tude, instantane-
ous value
U0_ANGL FLOAT32 -180.00...180.00 deg Zero sequence
voltage angle
U0_DB FLOAT32 0.00...4.00 xUn Zero sequence
voltage ampli-
tude, reported
value
U0_RANGE Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Zero sequence
voltage ampli-
tude range
8.1.11.6 Technical data
Table 940: VSMSQI 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 × U
n
±1.0 % or ±0.002 × U
n
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
8.1.12 Three-phase power and energy measurement PEMMXU
Measurement functions 1MRS757644 H
960 620 series
Technical Manual