ABB REM630 - Page 52

Table 89. Energy monitoring (EPDMMTR)
Characteristic Value
Operation accuracy At all three currents in range 0.10…1.20 x In
n
At all three voltages in range 0.50…1.15 x U
n
At the frequency f = f
n
Active power and energy in range |PF| > 0.71
Reactive power and energy in range |PF| <
0.71
±1.5% for energy
Suppression of harmonics DFT: -50dB at f = n x f
n
, where n = 2, 3, 4, 5,
…
Measurement functions
Table 90. Three-phase current measurement (CMMXU)
Characteristic Value
Operation accuracy At the frequency f = f
n
±0.5% or ±0.002 x I
n
(at currents in the range of 0.01...4.00 x I
n
)
Suppression of harmonics DFT: -50 dB at f = n x f
n
, where n = 2, 3, 4, 5,
…
RMS: No suppression
Table 91. Three-phase voltage measurement (VPPMMXU )
Characteristic
Value
Operation accuracy At the frequency f = f
n
±0.5% or ±0.002 x U
n
(at voltages in the range of 0.01...1.15 × U
n
)
Suppression of harmonics DFT: -50dB at f = n × f
n
, where n = 2, 3, 4, 5,
…
RMS: No suppression
Motor Protection and Control 1MRS756977 D
REM630
Product version: 1.1 Issued: 2011-05-18
52 ABB