ABB RELION 620 Series Technical Manual page 965

1MRS757644 F
8.1.11.6
8.1.12
8.1.12.1
8.1.12.2
8.1.12.3
620 series
Technical Manual
Technical data
Table 940: VSMSQI Technical data
Characteristic
Operation accuracy
Suppression of harmonics
Three-phase power and energy measurement PEMMXU
Identification
Function description
Three-phase power and energy
measurement
Function block
GUID-E38A24DA-85CE-4246-9C3F-DFC6FDAEA302 V1 EN
Figure 499: Function block
Signals
Table 941: PEMMXU Input signals
Name Type
I_A SIGNAL
I_B SIGNAL
I_C SIGNAL
U_A SIGNAL
U_B SIGNAL
U_C SIGNAL
RSTACM BOOLEAN
Measurement functions
Value
Depending on the frequency of the voltage
measured: f ±2 Hz
n
At voltages in range 0.01...1.15 × U
±1.0% or ±0.002 × U
DFT: -50 dB at f = n × f
IEC 61850 IEC 60617
identification identification
PEMMXU P, E
Default Description
0 Phase A current
0 Phase B current
0 Phase C current
0 Phase A voltage
0 Phase B voltage
0 Phase C voltage
0=False Reset of accumulated energy reading
Section 8
n
n
, where n = 2, 3, 4, 5,...
n
ANSI/IEEE C37.2
device number
P, E
959