基于变电站沉降监测的光纤光栅传感器Fiber Bragg grating sensor based on settlement monitoring of substation
胡正文,程冯宇,庞成鑫,桑杰,焦莉平,邵嘉
摘要(Abstract):
根据光纤布拉格光栅传感器具有抗干扰强、高灵敏度和工作寿命长等优良的物理特性,针对变电站沉降变形监测工程中存在的耗费大量人力、工作环境恶劣、积累时间长等突出问题,设计了新型光纤光栅沉降位移传感器,其沉降测量量程最大为300 mm,灵敏度为17.8 pm/mm,沉降位移分辨率为0.784 93 mm。与传统的沉降传感器相比,在测量灵敏度、分辨率和沉降量测量范围上有了极大的提高。综合实验结果,该传感器能实现对变电站地基和电气设备进行大范围、高灵敏度、高分辨率地沉降监测。
关键词(KeyWords): 光纤传感;沉降传感器;沉降转换;变电站监测;位移检测;智能电站
基金项目(Foundation): 上海市东方青年东方学者(QD2015044);; 上海市浦江人才A类项目(15PJ1402700)~~
作者(Author): 胡正文,程冯宇,庞成鑫,桑杰,焦莉平,邵嘉
DOI: 10.16652/j.issn.1004-373x.2018.01.032
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