Papers by Keyword: Overvoltage and Insulation Coordination

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Authors: Yong Xia Han, Yun Xin Lu
Abstract: It is very important to study the overvoltage protection and insulation coordination of the converter stations for the ±800kV UHVDC transmission project because of its importance in the power grid. The paper studies two kinds of arrester arrangements of the converter stations in the Nuozhadu to Guangdong ±800kV UHVDC power transmission project by using the PSCAD/EMTDC program. The simulation results show that the protective level of arresters is different, while the insulation levels of critical equipments in the converter station are almost the same under these two arrester arrangement schemes.
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