LD0.FRPFRQ1 Frequency protection (1) - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Power management/Load shedding - DNP3 Communication Manual - 620 series Relion Protection and Control - Relion Protection and Control - 2.0 FP1 IEC - IEC - 28.04.2023

Table 1. LD0.FRPFRQ1 Frequency protection (1)

IEC 61850 name	SA name	Description	Values
LD0.FRPTRC1
.Str.general	START	Stage start	1=Start
LD0.FRPTOF1		Overfrequency
.Op.general	OPR_OFRQ	-Operate	1=Operate
LD0.FRPTUF1		Underfrequency
.Op.general	OPR_UFRQ	-Operate	1=Operate
LD0.FRPFRC1		Frequency gradient
.Op.general	OPR_FRG	-Operate	1=Operate