Fault Direction Evaluation T_Dir - ABB RELION REX640 Technical Manual

Protection and control

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Table of Contents

Basic functions

Fault direction evaluation T_DIR

Function block

Figure 107: Function block

Functionality

The fault direction evaluation function T_DIR evaluates enumerated data of the

FAULT_DIR and DIRECTION data attributes of the directional functions.

The outputs FWD and REV are extracted from the enumerated input value.

Table 165: T_DIR Input signals

Table 166: T_DIR Output signals

Direction forward

Direction backward

1MRS759142 F

Input signal

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