Non-Directional Earth-Fault Protection (Efxptoc) Main Settings - ABB RET620 Product Manual

Transformer Protection and Control
RET620
Product version: 2.0
Table 34. Non-directional earth-fault protection (EFxPTOC) main settings
Parameter
Start value
Time multiplier
Operate delay time
1)
Operating curve type
1) For further reference, see Operation characteristics table
ABB
Function
EFLPTOC
EFHPTOC
EFIPTOC
EFLPTOC
EFHPTOC
EFLPTOC
EFHPTOC
EFIPTOC
EFLPTOC
EFHPTOC
EFIPTOC
Value (Range)
0.010...5.000 x I
n
0.10...40.00 x I
n
1.00...40.00 x I
n
0.05...15.00
0.05...15.00
40...200000 ms
40...200000 ms
20...200000 ms
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
1MRS757846 A
Step
0.005
0.01
0.01
0.01
0.01
10
10
10
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