高压交联聚乙烯绝缘电缆的选择

Overhead conductors for the ±500 kV large capacity power transmission line for the Three Gorges Power Transmission Project, part I R&D of the large cross-section conductor ACSR-720/50 for the backbone line

本文对高压交联聚乙烯绝缘电力电缆的有关问题进行了讨论 ,对电缆导体、金属屏蔽层或金属护套、外护套等选择进行了比较 ,也对金属屏蔽层的接地和敷设方式进行了分析和讨论。

This paper presents the R&D of the large cross section conductor ACSR 720/50 used in the ±500 kV backbone line 890 km in length for power transmission from the Three Gorges to East China by describing the measures to tackle the key technical problems, test result and conclusions to the performance test.