高压直流双回输电线路合成电场与离子流的计算Calculation of Total Electric Field and Ionic Current Density of Double-Circuit HVDC Transmission Lines
田冀焕;邹军;刘杰;袁建生;
摘要(Abstract):
高压直流双回输电线路在我国尚无设计与运行经验。为此,文章对双回直流线路电晕效应产生的离子流与综合电场强度进行了计算,分析了导线不同的布置方式以及线路间距、对地高度、导线分裂数、导线半径等结构参数对地表离子流和场强的影响。结果表明,两回线路上下排布方式的地表合成场强与离子流密度较小;在相同导线尺寸与同等架设高度下,合理排布的双回线路的地表场强与离子流远小于单回线路,且双回线间距越小地表场强与离子流越小;同塔双回线路的电磁环境要优于单回线路。
关键词(KeyWords): 高压直流(HVDC);双回输电线路;合成场强;离子流
基金项目(Foundation):
作者(Author): 田冀焕;邹军;刘杰;袁建生;
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DOI:
参考文献(References):
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