Three-Phase Power And Energy Measurement Pemmxu - ABB RELION REC615 Technical Manual

Measurement functions
Name
U0_DB
U0_RANGE
8.1.10.6 Technical data
Table 628: VSMSQI Technical data
Characteristic
Operation accuracy
Suppression of harmonics
8.1.11

Three-phase power and energy measurement PEMMXU

8.1.11.1 Identification
Function description
Three-phase power and energy
measurement
8.1.11.2 Function block
Figure 301: Function block
8.1.11.3 Signals
602
Type Values (Range)
FLOAT32 0.00...4.00
Enum
0=normal
1=high
2=low
3=high-high
4=low-low
Value
Depending on the frequency of the voltage measured: f
Hz
At voltages in range 0.01...1.15 × U
±1.0 % or ±0.002 × U
DFT: -50 dB at f = n × f
IEC 61850
identification
PEMMXU
1MRS758755 C
Unit Description
xUn Zero sequence
voltage ampli-
tude, reported
value
Zero sequence
voltage ampli-
tude range
n
n
, where n = 2, 3, 4, 5,...
n
IEC 60617 ANSI/IEEE C37.2
identification device number
P, E P, E
REC615 & RER615
Technical Manual
±2
n