| 已建线路架空地线短路热稳容量校核计算 |
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| 引用本文： | 窦飞,乔黎伟. 已建线路架空地线短路热稳容量校核计算[J]. 江苏电机工程, 2011, 0(5): 20-23 |
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| 作者姓名： | 窦飞 乔黎伟 |
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| 作者单位： | 江苏省电力公司电网规划研究中心; |
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| 摘 要： | 基于对单相接地短路电流在架空地线中分布的计算模型分析,给出了地线承受短路电流的工程计算简化方法；归纳、分析了常用地线短路热稳容量计算方法,给出了常用地线短路热稳容量值,以此作为是否需要实施增容改造的评判依据；并提出了地线短路热稳增容可采取的几种改造方案.
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| 关 键 词： | 输电线路 地线 短路电流 热稳定 计算 |
Verification and Calculation on Short-circuit Thermal Stability Capacity of Ground Wire in Existing |
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| DOU Fei,QIAO Li-wei. Verification and Calculation on Short-circuit Thermal Stability Capacity of Ground Wire in Existing[J]. Jiangsu Electrical Engineering, 2011, 0(5): 20-23 |
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| Authors: | DOU Fei QIAO Li-wei |
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| Affiliation: | DOU Fei,QIAO Li-wei (Grid Planning and Research Center of Jiangsu Electric Power Company,Nanjing 210024,China) |
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| Abstract: | Based on the analysis about calculation model of the single-phase short-circuit current distribution among the ground wires,the simplified engineering calculation method of the distributed current was presented in the paper.And the calculation method about short-circuit thermal stability capacity of ground wire were analyzed.The short-circuit thermal stability capacity value of the common ground wires in common use was also given,which can be used to judge whether need to upgrade or not in the end.At last,s... |
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| Keywords: | transmission line ground wire short-circuit current thermal stability calculation |
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