Process level application scheme in smart substation

Abstract

The process level is one of excellences in the discrimination of smart substation and routine substation,but there are many controversies in its realization schemes.This paper expounds the concept,composition and basic request of process level in smart substation,analyzes the excellences and disadvantages of process level representative framework modes,tests the mode of three nets-in-one and gives a concurrent redundant scheme based on IEC 62439 PRP which can distinctly enhance the availability of communication network.The study of this paper has definite direction meaning for extension of use of smart substation process pevel technology.