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It is important to establish reliability analysis model of secondary system for the intelligent substation. In this paper, a method is proposed to evaluate the reliability of secondary system in smart substation. Firstly, according to the reliability indices of secondary system structures for different smart substations, the evaluation matrix are determined and the matrix can be orthogonalized to...
This paper proposes a new scheme of substation area backup protection system based on substation area range of information. A configuration scheme of relay protection in smart substation was proposed firstly, the structure of substation area backup protection (SABP) was introduced, the information matrix of SABP which can reflect the substation topology was established, the protection algorithm of...
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