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首页> 外文期刊>Power Delivery, IEEE Transactions on >A Calculation Method for the Hybrid Electric Field Under UHVAC and UHVDC Transmission Lines in the Same Corridor
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A Calculation Method for the Hybrid Electric Field Under UHVAC and UHVDC Transmission Lines in the Same Corridor

机译：同一走廊超高压和超高压直流输电线路下混合电场的计算方法。

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摘要

Parallel adjacent erection of UHVAC and UHVDC transmission lines in the same corridor will occur in the east of China. So the calculation method for the ac and dc hybrid electric field over the ground surface under this type of lines need to be studied so as to satisfy the requirements of engineering design and environmental protection. Based on the analysis of mutual influences between UHVAC and UHVDC transmission lines in the same corridor, a calculation method is proposed. The corresponding calculation results obtained with this method are shown as follows. Near the center of UHVAC and UHVDC transmission lines in the same corridor, especially in the side of UHVDC transmission lines, the change of voltages applied to ac conductor bundles can evidently affect the magnitude of the hybrid electric field; the hybrid electric field is sometimes enhanced and sometimes diminished, and the total effect appears subdued in an ac cycle. Except for the area close to the center of this type of lines, that whether the mutual influences between UHVAC and UHVDC transmission lines are considered or not can hardly affect the lateral distribution of the hybrid electric field.
机译：同一走廊内的UHVAC和UHVDC输电线路平行相邻的架设将发生在中国东部。因此，需要研究这类线路下地面交，直流混合电场的计算方法，以满足工程设计和环境保护的要求。在分析同一走廊特高压输电线路和特高压直流输电线路相互影响的基础上，提出了一种计算方法。用这种方法获得的相应计算结果如下所示。在同一走廊中的UHVAC和UHVDC传输线的中心附近，特别是在UHVDC传输线的侧面，施加到交流导体束的电压变化会明显影响混合电场的大小；混合电场有时会增强，有时会减弱，并且总效应似乎在交流循环中减弱了。除了靠近此类线路中心的区域之外，是否考虑UHVAC和UHVDC输电线路之间的相互影响几乎不会影响混合电场的横向分布。

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