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FAULT LOOP FOR R REACH AND DIAGRAM

CT and VT ratio

Line impedance data

PROTECTED LINE
SHORT LINE AND LONG LINE (ADJACENT, PRIMARY)

Protected line, short line or transformer, and long line

Transformer data (primary)

Reach criteria (secondary values)

Compensation setting

Worked calculation at the reach point of each zone

Resistive reach of the zones

Zone settings

SECONDARY SETTINGS FOR THE RELAY (OHM SECONDARY)
Engineering checks

    R/X diagram and power swing

    SWING LOCUS POSITION
    Power swing data
    Local and remote source impedance
    Characteristic shape
    Load encroachment

    Data sheet for the relay engineer