Table 28. Three-phase non-directional overcurrent protection (PHxPTOC) main settings
Parameter Function Value (Range) Step
Start Value PHLPTOC 0.05...5.00 pu 0.01
PHHPTOC 0.10...40.00 pu 0.01
PHIPTOC 0.10...40.00 pu 0.01
Time multiplier PHLPTOC 0.05...15.00 0.05
PHHPTOC 0.05...15.00 0.05
Operate delay time PHLPTOC 0.04…200.00 s 0.01
PHHPTOC 0.02…200.00 s 0.01
PHIPTOC 0.02…200.00 s 0.01
Operating curve
type
1)
PHLPTOC Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 17, 18, 19
PHHPTOC Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
PHIPTOC Definite time
1) For further reference please refer to the Operating characteristics table
Transformer Protection and Control 1MRS756788 A
RET630
Product version: 1.0 Issued: 15.09.2009
ABB 25
To Next Page
Loading...
