Three-Phase Non-Directional Overcurrent Protection Main Settings - ABB RET630 Product Manual

ABB
Transformer Protection and Control
RET630
Product version: 1.0
Table 28. 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
Function
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHLPTOC
PHHPTOC
PHIPTOC
PHLPTOC
PHHPTOC
PHIPTOC
Value (Range) Step
0.05...5.00 pu 0.01
0.10...40.00 pu 0.01
0.10...40.00 pu 0.01
0.05...15.00 0.05
0.05...15.00 0.05
0.04...200.00 s 0.01
0.02...200.00 s 0.01
0.02...200.00 s 0.01
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
1MRS756788 A
Issued: 15.09.2009
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