| 基于BOTDA的电力特种光缆应力应变研究 |
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| 引用本文： | 滕玲,赵凌,赵宏波,王鹏,卢利峰.基于BOTDA的电力特种光缆应力应变研究[J].光通信研究,2012,38(3):39-41. |
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| 作者姓名： | 滕玲 赵凌 赵宏波 王鹏 卢利峰 |
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| 作者单位： | 1. 中国电力科学研究院,北京,100192
2. 云南电网通信分公司,云南昆明,650217 |
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| 摘 要： | 为解决光缆机械特性监测盲区,防止因机械性能劣化而产生的故障隐患,对光缆中光纤余长理论和BOTDA(布里渊光时域分析仪)、OTDR(光时域反射仪)监测原理进行研究。采用BOTDA监测技术,对光缆中光纤的应变进行了监测实验。结合理论分析,得出光纤应变随光缆的应力应变及机械特性变化的关系,能够对光缆机械性能劣化起到预警作用,防患于未然。
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| 关 键 词： | 布里渊光时域分析仪 光时域反射仪 应力应变 光缆 监测 |
| 收稿时间： | 2011/11/22 |
Study on stress and strain of BOTDA-based electric power special optical cables |
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| Teng Ling
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Zhao Ling
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Zhao Hongbo
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Wang Peng
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Lu Lifeng.Study on stress and strain of BOTDA-based electric power special optical cables[J].Study on Optical Communications,2012,38(3):39-41. |
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| Authors: | Teng Ling Zhao Ling Zhao Hongbo Wang Peng Lu Lifeng |
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| Institution: | 1(1.China Electric Power Research Institute,Beijing 100192,China; 2.Yunnan Electric Power Communication Corporation,Kunming 650217,China) |
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| Abstract: | In order to eliminate blind spots in optical cable mechanical property monitoring and prevent hidden failures due to mechanical performance degradation, we study the theory of fiber excess length in optical cables and the monitoring principles of BOTDA and OTDR. Using the BOTDA monitoring technology, we conduct monitoring experiments for the fiber strain in the cables. In combination with theoretical analysis, we obtain the relationship of fiber strain changes with the cable stress, strain and mechanical properties, which can act as a prewarning for the potential mechanical property deterioration of optical cables. |
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| Keywords: | BOTDA OTDR stress-strain optical fiber cable monitoring |
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