ABB Relion RES670 Product Manual page 40

Phasor measurement unit RES670 2.1 IEC
Table 17. 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 18. Frequency influence (reference standard: IEC 60255–1)
Dependence on
Frequency dependence, operate value
Harmonic frequency dependence (20% content)
Type tests according to standards
40
Reference value Within nominal
range
max. 2% 15% of EL
Full wave
rectified
±20% of EL
24-60 V DC ± 20%
100-250 V DC ±20%
Within nominal range
f
r
f
r
2
M16706-1 v13.1.1
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
nd rd th
, 3 and 5 harmonic of f
r
1MRK 511 367-BEN D
Influence
±1.0%/Hz
±2.0%
IP15778-1 v1
ABB