Adapting the FBG cavity sensor structure to monitor and diagnose PD in large power transformer

Abstract

Fiber optics vibration sensors have been extensively studied over the last ten years they have mainly been used to capture low frequency signals. One of these investigations has been commercialized to measure and trend End Winding Vibration (SEW) inside larger power generators. This sensor consists of a twin grating cavity and can be used to monitor… (More)

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