ABB RET615 Product Manual page 27

ABB
Transformer Protection and Control
RET615
Product version: 2.0
Table 25. Three-phase non-directional overcurrent protection (PHxPTOC) 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
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHIPTOC
Value (Range) Step
0.05...5.00 x I 0.01
n
0.10...40.00 x I 0.01
n
1.00...40.00 x I 0.01
n
0.05...15.00 0.05
0.05...15.00 0.05
40...200000 ms 10
40...200000 ms 10
20...200000 ms 10
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
27