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首页> 外文期刊>IEEE Transactions on Power Delivery >Voltage Distribution Analysis of 500-kV DC Transmission-Line Voltage Divider Under Impulse Voltages: Stray Parameter Extraction
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Voltage Distribution Analysis of 500-kV DC Transmission-Line Voltage Divider Under Impulse Voltages: Stray Parameter Extraction

机译：脉冲电压下500 kV直流输电线路分压器的电压分布分析：杂散参数提取

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摘要

It is essential to extract the stray parameters accurately and efficiently in analyzing impulse responses of a power apparatus. In this paper the stray capacitances and stray inductances of a 500-kV dc transmission-line voltage divider are extracted by the hybrid finite element-analytical approach, and the corresponding equivalent circuit for analyzing the impulse voltage response of the voltage divider is established. According to the discussion of the results of the extracted stray parameters of the voltage divider, reasonable simplification of the equivalent circuit of the voltage divider is made. In addition, the influence of the insulating housing and the electrical insulation oil on the stray capacitances of the voltage divider is discussed.
机译：在分析动力设备的脉冲响应时，准确而有效地提取杂散参数至关重要。本文采用混合有限元分析方法提取了500 kV直流输电线路分压器的杂散电容和杂散电感，并建立了相应的等效电路来分析分压器的脉冲电压响应。根据对分压器杂散参数提取结果的讨论，合理简化了分压器的等效电路。此外，还讨论了绝缘外壳和电绝缘油对分压器杂散电容的影响。

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