市区用复合衬垫支撑的10kv绝缘紧凑型配电线路

IEEE Technical Conference on Industrial and Commercial Power Systems, 2003. Pub Date : 2003-05-04 DOI:10.1109/ICPS.2003.1201490

R. Zeng, Jinliang He, Shui-ming Chen, F. Fu, Z. Guan

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引用次数: 2

摘要

采用绝缘导线和结构紧凑已成为中国配电网改造的趋势。讨论了紧凑结构的优点。分析了紧凑结构防雷的优越性。讨论了聚合物垫片在紧致分布时间发生断裂故障的原因。这是由于用聚碳酸酯浇铸的聚合物隔震片污染闪络性能差造成的。聚碳酸酯不适合室外保温。新型三角形复合垫片，适用于重污染地区，防止泄漏电流引起的断裂故障。相位间距选用28cm。所研制的复合垫片应用效果良好。

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10 kV insulated compact distribution line supported by composite spacers in urban area

Adopting insulated conductors and compact configuration has become the tendency in the renovation of distribution network in China. Advantages of compact configuration are discussed. Superiority of compact configuration against lightning protection has been analyzed. The reason that breakage faults occurred on compact distribution tine with polymeric spacer is discussed. It is due to the bad pollution flashover performance of the polymeric spacer cast with polycarbonate. Polycarbonate Is not suitable for outdoor Insulation. A new triangle composite spacer, which Is suitable for heavy pollution areas, Is designed to prevent breakage faults caused by leakage current. 28 cm is chosen as phase spacing. The application effects of the developed composite spacers are very good.

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IEEE Technical Conference on Industrial and Commercial Power Systems, 2003.

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