ABB RELION REX640 - 5.1.7 Signals; 5.1.7.1 INRPHAR Input signals; 5.1.7.2 INRPHAR Output signals

Figure 658: Inrush current in transformer
It is recommended to use the second harmonic and the waveform based
inrush blocking from the transformer differential protection function
TR2PTDF, if available.
5.1.7 Signals
5.1.7.1 INRPHAR Input signals
Table 1104: INRPHAR Input signals
Name Type Default Description
I3P SIGNAL - Three-phase currents
BLOCK BOOLEAN 0=False Block input status
5.1.7.2 INRPHAR Output signals
Table 1105: INRPHAR Output signals
Name
Type Description
BLK2H BOOLEAN Second harmonic based
block
Protection related functions 1MRS759142 F
1160 REX640
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