Table 33. Three-phase directional overcurrent protection (DPHxPDOC) main settings
Parameter
Function
Value (Range)
Step
Start value
DPHLPDOC
0.05...5.00 pu
0.01
DPHHPDOC
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 angle
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, refer to the Operating characteristics table
Transformer Protection and Control
1MRS756978 D
RET630
Product version: 1.1
Issued: 2011-05-18
32
ABB
Содержание Relion 630 Series RET630
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