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近两年，佛山地区的高压单芯电缆分布式光纤在线测温系统应用较多，本文结合工程实际，对测温光纤的敷设形式、测温光纤的结构、含光纤电缆的生产、光纤的接续施工、故障案例分析、光纤金属铠装与电缆金属层形成闭合回路等问题进行了探讨，提出了自己的观点，有一定的参考价值。

Discussion on Installation of Built-in Optical Fiber of High Voltage Single-core Cable

In recent two years, on-line thermometric system of distributed optical fiber of high voltage single-core cable is often applied in Foshan area. Combining practical engineering, this article has discussed on issues, such as installation method of temperature measuring optical fiber, structure of temperature measuring optical fiber, production of cable with optical fiber, optical fiber connection construction, analysis on faults, optical fiber metal armouring and closed circuit formed by metal layer of cable, etc. Ideas are pointed out for reference.