电缆分布式光纤测温装置校验及温度补偿方法研究 *

刘佳鑫, 郎业兴, 韦德福, 唐红

Research on Calibration and Temperature Compensation of Distributed Optical Fiber Temperature Sensing Device for High Voltage Cable

LIU Jiaxin, LANG Yexing, WEI Defu, TANG Hong

表2 DTS温度补偿拟合公式

DTS编号 水浴温度/℃ 拟合参数 a0 a1 a2 a3 拟合度 1# 20 17.775 42 0.149 12 -0.002 49 0.000 03 0.970 69 40 37.339 74 0.252 21 -0.008 39 0.000 13 0.980 88 60 57.329 71 0.257 50 -0.009 30 0.000 16 0.982 59 2# 20 17.854 01 0.164 35 -0.004 08 0.000 07 0.974 24 40 37.555 49 0.208 76 -0.005 86 0.000 09 0.972 53 60 57.964 11 0.153 04 -0.003 63 0.000 06 0.978 46 3# 20 18.130 44 0.152 09 -0.003 38 0.000 06 0.974 71 40 37.607 30 0.239 30 -0.007 72 0.000 12 0.983 51 60 58.018 59 0.160 44 -0.004 05 0.000 07 0.973 30 4# 20 17.452 06 0.215 23 -0.006 69 0.000 11 0.983 64 40 37.886 40 0.140 44 -0.002 77 0.000 05 0.974 53 60 57.359 58 0.228 74 -0.007 05 0.000 11 0.980 91