ABB Relion 630 Series RET630 Product Manual page 34

Transformer Protection and Control
RET630
Product version: 1.1
Table 35. Non-directional earth-fault protection (EFxPTOC) main settings
Parameter
Start value
Time multiplier
Operate delay time
Operating curve
1)
type
1) For further reference please refer to the Operating characteristics table
34
Function
EFLPTOC
EFHPTOC
EFIPTOC
EFLPTOC
EFHPTOC
EFLPTOC
EFHPTOC
EFIPTOC
EFLPTOC
EFHPTOC
EFIPTOC
Value (Range)
0.010...5.000 pu
0.10...40.00 pu
0.10...40.00 pu
0.05...15.00
0.05...15.00
0.04...200.00 s
0.02...200.00 s
0.02...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, 9, 10, 12, 15, 17
Definite time
1MRS756978 D
Issued: 2011-05-18
Step
0.005
0.01
0.01
0.05
0.05
0.01
0.01
0.01
ABB