大型水轮发电机绝缘材料参数对定子棒端电场分布和电位分布的影响

2021 International Conference on Electrical Materials and Power Equipment (ICEMPE) Pub Date : 2021-04-11 DOI:10.1109/ICEMPE51623.2021.9509004

Ze Huang, K. Sun, Bo Hu, Yulai Zhao, Mingpeng He, Jianlin Hu, Xingliang Jiang

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引用次数: 0

摘要

大型电机定子绕组通常在端绝缘表面涂覆多级抗电晕，以解决电晕放电问题。绕组出口绝缘表面的半导电抗电晕电导率参数协调具有重要意义。利用COMSOL软件建立了三段非线性电晕保护结构的三维有限元模型。模拟了绝缘材料参数对定子绕组表面电位和电场分布的影响。

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Influence of Insulation Material Parameters of Large Hydro-generator on Electric Field Distribution and Potential Distribution at the End of Stator Bar

Stator winding of large motors are usually coated with multi-stage anti-corona on the end insulation surface to solve the corona discharge problem. The conductivity parameter coordination of semi-conductive anti-corona on the insulating surface of the winding outlet has great significance. A 3D finite element model of a three-segment nonlinear corona protection structure was established by COMSOL. The influence of insulation material parameters on the distribution of surface potential and electric field at the stator winding was simulated.

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2021 International Conference on Electrical Materials and Power Equipment (ICEMPE)

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