Design and application of fiber industrial ethernet switch based on IEC61850

Aiming to IEC61850 calling for a new requirement on the function,EMC,tempreture and mechnical structure of Industrial ethernet switch,this paper introduces a design scheme of fiber industrial ethernet switch based on IEC61850.This scheme gives many specific realization technologies in software and hardware design.The application of fiber industrial ethernet switch based on IEC61850 in digitalized substation will play a positive role in enhancing the level of substation automation.