ABB Relion 670 Series Product Manual page 118

Generator protection REG670
Version 2.2
Table 145. Event counter with limit supervision L4UFCNT , continued
Function
Max. count up speed
Table 146. Running hour-meter TEILGAPC
Function
Time limit for alarm supervision, tAlarm
Time limit for warning supervision,
tWarning
Time limit for overflow supervision
Table 147. Through fault monitoring PTRSTHR
Function
Operate current
Reset ratio
Table 148. Current harmonic monitoring CHMMHAI (50/60 Hz)
Function
Frequency (0.95 - 1.05) X fr
True RMS (0.2 to 2) X Ir
(0.2 to 2) X Ir
Fundamental (0.2 to 2) X Ir
(0.2 to 2) X Ir
Crest Factor (0.2 to 2) X Ir
Harmonic (0.2 to 2) X Ir
Amplitude
Total Demand (0.2 to 2) X Ir
Distortion (TDD)
Total Harmonic (0.2 to 2) X Ir
Distortion (ITHD)
118
Range or value
30 pulses/s (50% duty cycle)
GUID-F5E124E3-0B85-41AC-9830-A2362FD289F2 v1
(0 - 99999.9) hours
(0 - 99999.9) hours
Fixed to 99999.9 hours
GUID-3763D0D6-AD44-4C9B-91E4-050C0B63C7EA v1
Range or value
(50-1000)% of IBase
> 95% at (50-1000)% of IBase
GUID-09EC65AC-C60B-4256-A601-FE2CC90D26EC v2
Range or value
Fundamental
2nd order to 5th order (0.1 - 0.5) X Ir
None
2nd order to 5th order (0.1 - 0.5) X Ir
None
2nd order to 5th order (0.1 - 0.5) X Ir
None
2nd order to 5th order (0.1 - 0.5) X Ir
2nd order to 5th order (0.1 - 0.5) X Ir
2nd order to 5th order (0.1 - 0.5) X Ir
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Accuracy
-
Range or value
Harmonic
1MRK 502 074-BEN M
Accuracy
±0.1% of set value
±0.1% of set value
±0.1%
Accuracy
±1.0% of I at I ≤ I
r r
±1.0% of I at I > I
r
–
Accuracy
± 2 mHz
±0.3% of Ir at I ≤ Ir
±0.3% of I at I > Ir
±1.0% of Ir at I ≤ Ir
±1.0% of I at I > Ir
±0.3% of Ir at I ≤ Ir
±0.3% of I at I > Ir
±0.3% of Ir at I ≤ Ir
±0.3% of I at I > Ir
± 2%
±2.0% of Ir at I ≤ Ir
±5.0% of I
H
±5.0% at I ≤ Ir
±5.0% of ITDD at I > Ir
± 5%
at I > Ir
Hitachi Power Grids