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- W4384694507 abstract "The interaction between AC and DC in the power grid system and the characteristics of DC system will have an impact on converter transformer. The DC current enters the winding through the neutral point of the converter transformer, which changes the operating characteristics of the iron core, produces bias flux, and even affects the correct operation of relay protection. In this paper, a multi-channel feature fusion model is introduced, which has a good direction. The characteristic relationship between the fault impedance and the impedance components is obtained by measuring the impedance. The fault impedance is solved by using adaptive coefficients to effectively reduce the influence of fault resistance. Considering that the fault impedance angles of multi-channel protection of different line types are different due to different fault points, the influence caused by different impedance angles is effectively solved by adjusting the conversion between the measured impedance and the fault impedance. In the experiment, by comparing the relationship between the sensitivity of this scheme and the line impedance, the feasibility of the setting is analyzed. The research effect of this paper is proven. It is of great practical significance to study the relay protection of the distribution network." @default.
- W4384694507 created "2023-07-20" @default.
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- W4384694507 date "2023-07-18" @default.
- W4384694507 modified "2023-09-23" @default.
- W4384694507 title "Relay protection scheme based on multi-channel feature fusion model" @default.
- W4384694507 doi "https://doi.org/10.1117/12.2679943" @default.
- W4384694507 hasPublicationYear "2023" @default.
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