High-impedance based restricted earth-fault protection (HREFPDIF) main settings - Arc protection - Merging unit - Transformer protection - 2 winding - Product Guide - RET615 Transformer Protection and Control - Relion 615 series - 5.0 FP1 IEC - IEC - 11.10.2021

RET615 Product Guide
Table 1. High-impedance based restricted earth-fault protection (HREFPDIF) main settings
Parameter Function Value (Range) Step
Operate value HREFPDIF 1.0...50.0%I n 0.1
Minimum operate time HREFPDIF 40...300000 ms 1
Operation HREFPDIF

1 = on

5 = off

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