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
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