ABB RELION REX640 Technical Manual page 836

Protection and control

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Table of Contents

Protection functions

Figure 473: Three-phase current quantities during the broken conductor fault in

phase A with the ratio of negative-sequence and positive-sequence currents

PDNSPTOC Input signals

Table 755: PDNSPTOC Input signals

PDNSPTOC Output signals

Table 756: PDNSPTOC Output signals

PDNSPTOC Settings

Table 757: PDNSPTOC Group settings (Basic)

Values (Range)

Operate delay time

Three-phase currents

Block signal for acti-

vating the blocking

1MRS759142 F

Operate delay time

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