The main goal of this research was to investigate future smart grids with regards to the
challenges they will face with protection. To achieve this the distribution network was
investigated in terms of its topology, protection devices and protection schemes which
are currently implemented. Next, new advances such as smart grids, distributed gener-
ation and the challenges and opportunities this will create in the distribution network
were investigated.
Traditionally, distribution networks only have a single source upstream with loads con-0 O* b! }5 e! i) t" m
nected downstream so the network parameters are well known and the network can be" @, z4 Z d% ^; V% L5 S
protected using relatively inexpensive devices such as fuses. With the advent of distribu-6 n+ ]8 @5 O# \' e
tion generation (DG), storage, microgrids and scenarios such as islanding in distribution2 n* h. H% D5 H0 P6 ]
networks new protection schemes will be required. The advent of smart grids also creates( _6 G# H; ^0 b6 j& k, ~3 C) k3 j
opportunities for improved protection schemes.
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发表于 2011-7-16 21:30:54
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