CHAPTER 15: THEORY OF OPERATION SINGLE-POLE TRIPPING
D90
PLUS
LINE DISTANCE PROTECTION SYSTEM – INSTRUCTION MANUAL 667
Table 50: Trip table for cross-country fault example, four-bit channel
Terminal Remote data Local data
Bit pattern Remote
determination of
fault type
Local
determination of
fault type
Trip output
RX1 RX2 RX3 RX4
T1 0001AG ABG TRIP PHASE A
T2 1000ABG AG TRIP PHASE A
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