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- W3130087029 abstract "With the continuous expansion of the modern power system, when the transmission line fails due to various factors, it will have a serious impact on the social economy and people’s lives. This paper proposes a fault location method for transmission grids based on the real-time synchronous measurement data of the Phasor Measurement Unit (PMU). The algorithm is based on the data measured by the PMU device. First, according to the measured real-time synchronous voltage and current data, the characteristic impedance and propagation coefficient of the line are solved online; the voltage and current data at both ends are used to perform equations on the voltage at the fault point. Column writing, through the equation relationship, and then solve the fault distance, realize the fault location function. Because there are certain errors in the process of measuring data, such as the asynchrony of the data at both ends and a certain low delay in the data communication process. To make the solved fault distance more accurate, in the synchronous measurement method, the method of data asynchronous fault 10-cation is proposed, the theoretical formula is derived, and the measurement error caused by the communication delay is analyzed in detail. At the same time, this paper uses PSACD software to build a model to verify the effectiveness and superiority of the method." @default.
- W3130087029 created "2021-03-01" @default.
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- W3130087029 date "2020-10-30" @default.
- W3130087029 modified "2023-09-27" @default.
- W3130087029 title "Fault Location Technology of Transmission Line and Asynchronous Phasor Measurement from PMUs" @default.
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- W3130087029 doi "https://doi.org/10.1109/ei250167.2020.9346810" @default.
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