ABB REF630, Product Manual

Page: 59 / 80

Table 93. 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,
…
Supervision functions
Table 94. Circuit breaker condition monitoring (SSCBR)
Characteristic Value
Current measuring accuracy At the frequency f = f
n
±1.5% or ±0.002 × I
n
(at currents in the
range of 0.1…10 × I
n
)
±5.0% (at currents in the range of 10…40 ×
I
n
)
Operate time accuracy ±1.0% of the set value or ±20 ms
Traveling time measurement ±10 ms
Table 95. Current circuit supervision (CCRDIF)
Characteristic Value
Operate time
1) < 30 ms
1) Including the delay of the output contact.
Table 96. Current circuit supervision (CCRDIF) main settings
Parameter Function Values (Range) Step
Start value CCRDIF 0.05...2.00 pu 0.01
Maximum operate
current CCRDIF 0.05...5.00 pu 0.01
Feeder Protection and Control 1MRS756380 A
REF630
Product version: 1.0
Issued: 15.09.2009
ABB 59