Table 32. Non-directional earth-fault protection (EFxPTOC) main settings
Parameter
Function
Value (Range)
Step
Start value
EFLPTOC
0.010...5.000 pu
0.005
EFHPTOC
0.10...40.00 pu
0.01
EFIPTOC
0.10...40.00 pu
0.01
Time multiplier
EFLPTOC
0.05...15.00
0.05
EFHPTOC
0.05...15.00
0.05
Operate delay time
EFLPTOC
0.04...200.00 s
0.01
EFHPTOC
0.02...200.00 s
0.01
EFIPTOC
0.02...200.00 s
0.01
Operating curve
type
1)
EFLPTOC
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 17, 18, 19
EFHPTOC
Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
EFIPTOC
Definite time
1) For further reference please refer to the Operating characteristics table
Feeder Protection and Control
1MRS756380 A
REF630
Product version: 1.0
Issued: 15.09.2009
ABB
31
Summary of Contents for REF630
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