ABB REG630 - Page 52

Table 112. Power monitoring with P, Q, S, power factor, frequency (PWRMMXU)
Characteristic Value
Operation accuracy At all three currents in range 0.10…1.20 × In
n
At all three voltages in range 0.50…1.15 × 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 power (S, P and Q)
±0.015 for power factor
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
Table 113. Sequence current measurement (CSMSQI)
Characteristic
Value
Operation accuracy At the frequency f = f
n
±1.0% or ±0.002 × I
n
at currents in the range of 0.01...4.00 × I
n
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
Table 114. Sequence voltage measurement (VSMSQI)
Characteristic
Value
Operation accuracy At the frequency f = f
n
±1.0% or ±0.002 × U
n
At voltages in range of 0.01…1.15 × U
n
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
Generator Protection and Control
1MRS757583 C
REG630
Product version: 1.3
52 ABB