Abstract
AbstractAiming at the difficulty of the traditional fault location method brought by distributed generation (DG), the regional fault identification methods for distribution networks with DG is analyzed. A fault location scheme based on distributed intelligent feeder automation is proposed in this paper. The regional current algebra and variation are introduced as the basic criteria for fault location in the proposed method. A distribution network model of 10 bus systems is built using MATLAB/SIMULINK system to analyze the effect of different fault distance and position near the cutoff point or on branch line on the fault location results. The results show that this scheme can realize fault location and isolation quickly and has good adaptability to high-density distributed power supply access.KeywordsDistributed generationLayering and zoningFeeder automationIntelligent fault section
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