Requirements for third-party devices - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - IEC 61850 Engineering Guide - REX615 Protection and control - PCL2 - IEC - ANSI - 14.05.2025

REX615 IEC 61850 Engineering Guide

System and setting requirements
  • Support for the IEEE 1588 v2 time synchronization
  • IEEE 1588 v2 according to Power profile and implementation according to the one-step mode or Utility profile IEC 61850-9-3
  • All network devices between the IEEE 1588 v2 clock master and the IED must support IEEE 1588 v2
Ethernet switch requirements
  • Support for the IEEE 1588 PTPv2 protocol, transparent clock operation mode with hardware assisted timestamping
  • Managed switch with optional capabilities for SMV filtering and VLAN to restrict the SMV flow only to devices using it
  • Switches that support IEEE 802.1D with LLDP enabled
  • TC time accuracy to comply with IEEE Std C37.238-2011 annex B
IEEE 1588 v2 master clock requirements
  • Support for IEEE 1588 v2 Grand Master operation mode
  • IEEE Std C37.238-2011 or IEC/IEEE 61850-9-3:2016 PTP profile support