Abstract
The AC equivalent (Shandong power grid) model of inverter side is established by electromagnetic transient simulation method, and the real data of Yindong transmission frame of HVDC is set in PSCAD model. Shandong power grid has set up different centralized faults. Asymmetric circuit accident are the most serious among them. Based on this analysis, we come to the conclusion that the fault of Shandong electric power AC system has a greater impact on Yindong DC transmission system, which provides important guidance for the reliable operation of Yindong HVDC transmission model in the future. We think it has better theoretical reference value.
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