ABB RET615 Product Manual page 29

ABB
Transformer Protection and Control
RET615
Product version: 2.0
Table 27. Non-directional EF 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 at the end of the Technical data chapter
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
1MRS756891 B
Issued: 01.10.2009
Step
0.005
0.01
0.01
0.05
0.05
10
10
10
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