Transmission Line Fault Location in MMC HVDC Grids Based on Dynamic State Estimation and Gradient Descent
IEEE Transactions on Power Delivery(2021)
摘要
This paper proposes a new fault location method for transmission lines in MMC-HVDC grids based on dynamic state estimation (DSE) and gradient descent. The method only requires a short data window of 5 ms after the occurrence of the fault and therefore is applicable for MMC-HVDC grids with high-speed tripping techniques. The method first builds a high-fidelity linear dynamic model of the DC transmi...
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关键词
Fault location,Power transmission lines,Transmission line measurements,Circuit faults,Power system dynamics,Time-domain analysis,Mathematical model
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