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- W4353004265 abstract "In order to solve the problem of false alarm, missing alarm and wrong information of small current grounding location terminals, an evaluation method of distribution network grounding location terminal alarm quality based on fault inversion matrix is proposed. Firstly, the mathematical model of grounding terminal alarm quality evaluation is established, and the grounding terminal information on all power feeders of a bus is described through the bus grounding terminal information matrix BGTM. Then the ground fault information false alarm terminal set GFAS is established to record the false alarm terminals during normal operation. Based on the bus grounding terminal information matrix BGTM and the upstream terminal equipment set FUTS , the fault inversion standard information matrix FISM is generated, and the fault inversion defect information matrix FIDM is generated by the difference between the FISM and the fault inversion real-time information matrix FIRM. Finally, through the fault inversion defect information matrix FIDM, the ground fault information missing terminal set FMTS and the ground fault wrong information terminal set FWTS are determined. The case analysis shows that the method described in this paper can evaluate the quality of alarm information reported by the grounding terminal, and identify the terminals with false alarm, missing alarm and wrong information. The method is simple and reliable, and can better meet the needs of on-site operation and maintenance." @default.
- W4353004265 created "2023-03-23" @default.
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- W4353004265 date "2021-09-01" @default.
- W4353004265 modified "2023-10-14" @default.
- W4353004265 title "Evaluation method of distribution network grounding location terminal alarm quality based on fault inversion matrix" @default.
- W4353004265 doi "https://doi.org/10.1109/ifeea54171.2021.00098" @default.
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