A Study Of Service Restoration Reconfiguration In Distribution System

Restoration in distribution system is an important aspect of distribution automation and distribution optimization. When there is a fault in the distribution system, it can fast locate the fault and separate the load which connect the fault by operating switches according to the real-time structure of the distribution network. Then it can find an operating pattern by changing the status of the tie or sectionalizing switches.Firstly, a model about service restoration reconfiguration in distribution networks based on the analysis of the distribution network is proposed.Secondly, service restoration using a fuzzy evaluation approach and a heuristic search approach is discussed, then a approach using both the fuzzy set and heuristic search approach is discussed for service restoration in distribution network. Here the principles are focused.At the same time, the coding plan and comparing method of the common genetic algorithm are improved. With the apply of fuzzy and neural-net, the constrains in the restoration reconfiguration are dealt with by basing on the punish function. In addition, by using the fuzzy control approach, probability of the chromosomal crossover and chromosomal variation can be controlled well according to the real instance. The simulation system is constituted with MATLAB and some programs are formed with VC++ language. The results of the analysis and simulation denote that the method proposed in this paper is efficient and reliable.Lastly, several conclusions on service restoration reconfiguration in distribution system are given.