Belden, Symmetricom pair on smart grid solutions

Belden‘s GarrettCom brand has been accepted as a charter member in Symmetricom’s SyncWorld Power Ecosystem Program following demonstration of interoperability with Symmetricom’s SGC-1500 Smart Grid Clock.

GarrettCom’s 10-Series managed switches use IEEE 1588 to deliver a solution using delays of less than 50 nanoseconds, providing power transmission and distribution customers the precision timing needed to operate and manage today’s smart grids.

IEEE 1588v2 is a timing protocol that offers sub-microsecond synchronization for clocks in various substation and power delivery devices such as sensors and actuators over an Ethernet network. The sub-microsecond timing accuracy of these substation-hardened switches exceeds the requirements of “next generation” IEC 61850-3 specifications. Timing features include master clock, boundary clock, and transparent clock.

Sub-millisecond timing synchronization enables the operator to reconstruct the sequence of events after an incident on the grid or to monitor smart grid performance to make adjustments and improvements. The 1588v2 protocol is important in IEC 61850 compliant systems where it supports seamless line switchovers and other sensitive events requiring precise timing.

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