光纤传感技术在变压器状态检测的应用

Application of Optical Fiber Sensing Technology in Transformer State Inspection

介绍了分布式光纤温度传感技术、光纤光栅传感技术、光纤F-P腔应力或振动传感技术、特种光纤传感技术在变压器中的应用。分析了各种光纤传感器的技术原理与系统结构,并阐述了其对电力系统中温度、应力、油中气体及局部放电故障等的监测作用。指出光纤传感技术具有独特的优势,将给电力系统变压器的状态监测带来突破。

Introduction was made to the application of distributed optical fiber temperature sensing technology, optical fiber bragg grating sensing technology, optical fiber F-P cavity stress and vibration sensing technology and special optical fiber sensing technology in transform-er. This paper analyzed various kinds of optical fiber sensing technology principle and system structure, and expounded its monitoring func-tion on temperature, stress, gas in oil and partial discharge fault in power system. The unique advantage of optical fiber sensing technology will make the condition monitoring of transformer breakthrough.