ABB RELION 630 Series Product Manual page 31

Generator Protection and Control
REG630
Product version: 1.3
Table 39. Directional earth-fault protection (DEFxPDEF) main settings
Parameter
Start Value
Directional mode
Time multiplier
Operate delay time
1)
Operating curve type
Operation mode
1) For further reference, refer to the Operation characteristics table
Table 40. Third harmonic based stator earth-fault protection (H3EFPSEF)
Characteristic
Operation accuracy
1)2)
Start time
Reset time
Reset ratio
Operate time accuracy in definite time mode
1) f = 50 Hz, results based on statistical distribution of 1000 measurements
n
2) Includes the delay of the signal output contact
Table 41. Third harmonic based stator earth-fault protection (H3EFPSEF) main settings
Parameter
Beta
Voltage N 3.H Lim
Operate delay time
Voltage selection
CB open factor
ABB
Function
DEFLPDEF
DEFHPDEF
DEFLPDEF and DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF and DEFHPDEF
Function
H3EFPSEF
H3EFPSEF
H3EFPSEF
H3EFPSEF
H3EFPSEF
Value (Range)
0.010...5.000 pu
0.10...40.00 pu
1=Non-directional
2=Forward
3=Reverse
0.05...15.00
0.05...15.00
0.06...200.00 s
0.06...200.00 s
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19
Definite or inverse time
Curve type: 1, 3, 5, 15, 17
1=Phase angle
2=IoSin
3=IoCos
4=Phase angle 80
5=Phase angle 88
Value
At the frequency f = f
n
±5% of the set value or ±0.004 × U
Typically 23 ms (±15 ms)
<45 ms
Typically 0.96
±1.0% of the set value of ±20 ms
Value (Range)
0.50...10.00
0.005...0.200
0.08...300.00 s
No Voltage
Measured ResU
Calculated ResU
Phase A
Phase B
Phase C
1.00...10.00
1MRS757583 C
Step
0.005
0.01
0.01
0.01
0.01
0.01
n
Step
0.01
0.001
0.01
-
0.01
31