大功率風電變流器中的母排設計

摘要：針對風電變流器功率密度大、工作環境惡劣、滿負荷運行時間長、功率波動大等特點，本文提出了大功率風電變流器直流側母排設計原則及其結構設計要點。主要內容包括:減小母排電感、減小功率器件受力、母排防護等。最后對實際設計案例進行了剖析，進一步驗證本文的主要觀點。
敘詞：風電變流器 母排 雜散電感 疊層母排 Abstract：This paper presented the design principle and structure design main points of the busbar, which used in high power wind power converter that had characteristics of high power densities, bad working conditions, full load long operation, power large variation. The main contents include reducing busbar inductance, reducing stress of power components, busbar protection, etc. At last, This paper analyzed the practical design case, the result further validated the main points of this paper. Keyword：Wind power converter, Busbar, Stray inductance, Laminated busbar