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With the development of the power grid scale and the complex power grid structure in our country, as a basic component of the line protection, the distance protection working performance has play a vital role in the safe and stable operation of the power system. Considering the characteristics of distance protection which demands the setting point accurately, fault location and only need to timely...
Growing peak electricity demand and outstanding of environment problem, distributed generator (DG) is rising progressively used as a supplement of concentrated generator. The influence of DG to traditional distribution network can not be ignored with quantity increasing of DG. This paper systematically introduce this influence through three aspects: distribution network planning, relay protection...
With the development of smart grid, smart substation assumes an increasingly important role. Compared with the deficiency of traditional substation, the concept of smart substation, the key technical characteristics of smart substation, relay protection and three typical configuration types are described in this paper. The key techniques in smart substation were developed that is an inevitable trend...
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