为了实时监测高压电力电缆温度状态,针对其高压、强磁场工作环境提出基于分布式光纤传感器的高压电力电缆温度在线监测系统设计方案。该方案采用DSP的快速累加,并利用Stokes信号解调Anti-Stokes信号,极大提高信噪比。此外,还介绍该系统在电力电缆中的实例应用,阐述其在电力系统中的实用价值。
- Abstract:
- In this paper,in order to monitor the temperature state of high-voltage power cable in real time,aiming at the euiroument of high-voltage and intense magnetion filed,it introduces the design scheme of distribued optical fiber sensor,and it uses the method of DSP to add fast.The back scattering Raman siganl with the information of temperature is weak or completely submerged in noise.As a result,the system uses the new method.Besides,the paper introduces the example used in this system and its practical value.
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