Selection of ±1 100 kV UHVDC Converter Station DC Field
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Abstract
The ±1 100 kV UHVDC transmission projects are the highest voltage class DC transmission projects in the world. Reasonable selection of DC field design type has great significance to enhance reliability of converter station and reduce the difficulty and cost of equipment manufacturing. Based on the Zhundong-Wannan ±1 100 kV UHVDC transmission project, requirement of equipment external insulation, manufacture level of equipment, technical and economic comparison of different type of DC field layout were discussed. The indoor DC field layout is recommended for ±1 100 kV UHVDC transmission projects.
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