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Table 30. Three-phase directional overcurrent protection (DPHxPDOC) main settings
Parameter
Function
Value (Range)
Step
Start value
DPHxPDOC
0.05...5.00 pu
0.01
Time multiplier
DPHxPDOC
0.05...15.00
0.05
Operate delay time
DPHxPDOC
0.04...200.00 s
0.01
Directional mode
DPHxPDOC
1 = Non-directional
2 = Forward
3 = Reverse
Characteristic angel
DPHxPDOC
-179...180 deg
1
Operating curve
type
1)
DPHLPDOC
Definite or inverse time
Curve type: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 17, 18, 19
DPHHPDOC
Definite or inverse time
Curve type: 1, 3, 5, 9, 10, 12, 15, 17
1) For further reference please refer to the Operating characteristics table
Feeder Protection and Control
1MRS756380 A
REF630
Product version: 1.0
Issued: 15.09.2009
ABB
29
Summary of Contents for REF630
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