Research on Indoor Design of DC Switch Yard for 1 100 kV Converter Substation
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Abstract
The design study of 1 100 kV DC switch yard for 1 100 kV converter substation was given in this paper. In this study, we proposed an indoor DC yard design principle, design processes and design methods. The main electrical parameters of the indoor DC yard were calculated and recommended results were shown. Three indoor designs and comparison were given considering 1 100 kV equipment characters, air clearance, installation and maintenance. It is proposed joint lifting work by double-crane can not only save investment on the construction of station and equipment, but also can save time and maintenance costs in the future.
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