Analysis and Simulation of Open-phase on 10kV Overhead Transmission Line
A open phase event of 10kV transmission line occurred in a nuclear power plant caused by blown of drop-down fuse.In this paper,the reason of the blown fuse is analyzed,and the phasor on both sides of transformer is showed,the reason of incorrect display of multifunction meter is also analyzed.And simulation experiment is used to repeat the fault to verify the conclusion of theoretical analysis.Through theoretical analysis and experimental verification,professionals deepen the understanding of transformer abnormal operation,improve the ability to analyze and judge faults.The method of phasor analysis and simulation experiment can be used for peer reference.
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