ABB Relion 630 Series RET630 Product Manual page 36

Transformer Protection and Control
RET630
Product version: 1.1
Table 37. Directional earth-fault protection (DEFxPDEF) main settings
Parameter
Start Value
Directional mode
Time multiplier
Operate delay time
Operating curve
1)
type
Operation mode
1) For further reference, refer to the Operating characteristics table
36
Function
DEFLPDEF
DEFHPDEF
DEFLPDEF and
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF
DEFHPDEF
DEFLPDEF and
DEFHPDEF
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
1MRS756978 D
Issued: 2011-05-18
Step
0.005
0.01
0.05
0.05
0.01
0.01
ABB