Residual overvoltage protection (ROVPTOV) 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 - 03.05.2023

Table 1. Residual overvoltage protection (ROVPTOV) main settings

Parameter	Function	Value (Range)	Step
Start value	ROVPTOV	0.010...1.000 × U n	0.001
Operate delay time	ROVPTOV	40...300000 ms	1