ABB REL 356

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ABB REL 356 Current Differential Protection

2-16

Installation, Operation and Maintenance

Table 2-4. Target (Fault Data) Information

Target Description Format Units

FTYP Fault Type AB/BG/CG/AB/BC/CA/ABC

BK1 breaker current flowed YES/NO

BK2 breaker current flowed YES/NO

BK3 breaker current flowed YES/NO

BK4 breaker current flowed YES/NO

BK5 breaker current flowed YES/NO

BK6 breaker current flowed YES/NO

IAH High set phase A fault YES/NO

IBH High set phase B fault YES/NO

ICH High set phase C fault YES/NO

IGH High set ground fault YES/NO

PLT Pilot Trip YES/NO

OP Operating current magnitude XXX.X Amps

RES Restraint current magnitude XXX.X Amps

DSBL Differential protection disabled YES/NO

RIFT Reclose-into-fault trip YES/NO

SBT Stub-bus trip YES/NO

OBKT Open breaker trip YES/NO

OST Out-of-step trip YES/NO

TG Time overcurrent ground trip YES/NO

Z2P Zone 2 phase fault YES/NO

Z2G Zone 2 ground fault YES/NO

Z3P Zone 3 phase fault YES/NO

Notes: The "YES/NO" targets are displayed only if they are "YES". The

impedance is dependent upon the CTYP setting. The internal

impedance values are for a 5A ct. The impedance value is multiplied

by 5 if a 1 A ct is used (CTYP = 1). The angles are not displayed if the

magnitude of the value or the reference is less than 0.5 a or 0.7 rms.

9600 bps Audio Tone Channel

56/64 kbps Digital Communication

rrTTRP Direct T ansfer T ip YES/NO

Z3G Zone 3 ground fault YES/NO

Z Fault impedance XX.XX ohms

FANG Fault impedance angle XXX.X deg

DMI Fault distance in miles XXX.X mi

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