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Prediction of Corona Effects Generated From UHVAC Transmission Lines, Ⅰ: Audible Noise
Author(s): 
Pages: 2679-2686
Year: Issue:  11
Journal: High Voltage Engineering

Keyword:  特高压输电电晕效应交流电晕笼可听噪声分裂间距;
Abstract: 电晕效应问题是特高压输电关键技术问题之一,是特高压输电线路导线选型的决定性因素.为此,利用特高压电晕笼开展了13种导线的可听噪声试验,获得了单位长不同导线的可听噪声产生功率,分析了导线表面场强、子导线线径、分裂间距和分裂数等因素对导线电晕可听噪声的影响规律.结果表明:导线电晕可听噪声与导线表面场强的负倒数呈线性关系;在相同的导线表面场强下,可听噪声产生功率与子导线线径和分裂数呈线性递增关系,而分裂...
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