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基于线-面模型的边界元法计算特高压交流变电站设备附近工频电场

, PP. 162-167

Keywords: 线-面模型,边界元,工频电场,特高压变电站,设备

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Abstract:

针对特高压变电站设备附近工频电场的复杂性,提出了模拟导线、均压环等线状结构的计算模型,推导了形成系数矩阵时线单元奇异积分公式。将线计算模型引入边界元法,与传统的面模型相结合共同模拟变电站各种复杂设备,并采用线、面单元对模型进行剖分,提高了计算效率。计算了荆门1000kV特高压变电站高压并联电抗器附近的工频电场分布,通过和测量数据对比,验证了模型和算法的正确性。

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