ABB Relion 670 Series Product Manual page 38

Busbar protection REB670
Customized
Product version: 1.2
Table 16. Auxiliary DC supply voltage influence on functionality during operation
Dependence on
Ripple, in DC auxiliary voltage
Operative range
Auxiliary voltage dependence, operate
value
Interrupted auxiliary DC voltage
Interruption interval
0–50 ms
0–∞ s
Restart time
Table 17. Frequency influence (reference standard: IEC 60255–1)
Dependence on
Frequency dependence, operate value
Frequency dependence for differential protection
Harmonic frequency dependence (20% content)
Harmonic frequency dependence for differential protection (10%
content)
38
Reference value Within nominal
range
max. 2% 15% of EL
Full wave rectified
± 20% of EL
24-60 V DC ± 20%
90-250 V DC ± 20%
Within nominal range
f
r
f
r
f
r
f
r
2nd, 3rd and 5th harmonic of f
2nd, 3rd and 5th harmonic of f
Influence
0.01% /%
0.01% /%
No restart
Correct behaviour at power down
<300 s
± 2.5 Hz for 50 Hz
± 3.0 Hz for 60 Hz
± 2.5 Hz for 50 Hz
± 3.0 Hz for 50 Hz
r
r
1MRK505273-BEN D
Influence
± 1.0% / Hz
± 2.0% / Hz
± 1.0%
± 6.0%
ABB