ABB RET670 Applications Manual page 349

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1MRK504116-UUS C

Application manual

ANSI05000196 V1 EN

Characteristic of load encroachment function

The influence of load encroachment function on the operation characteristic is

dependent on the chosen operation mode of the FRPSPDIS (21) function. When output

signal PHSELZis selected, the characteristic for the FRPSPDIS (21) (and also zone

measurement depending on settings) can be reduced by the load encroachment

characteristic (as shown in figure 152).

en05000196_ansi.vsd

IED application

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