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논문 기본 정보

저자정보
(Seoul National University) (Assembble) (Seoul National University) (Seoul National University)
저널정보
한국조명·전기설비학회 조명·전기설비학회논문지 조명·전기설비학회논문지 제39권 제5호
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    초록·키워드

    Recently, Transformers, being critical components in power systems, require accurate condition monitoring to prevent failures. However, conventional diagnostic approaches often rely on periodic inspections or failure analyses, limiting real time responsiveness. This study proposes a regression based condition prediction model using an Autoregressive Neural Network (AR-Net), which effectively captures dynamic patterns in time-series data. The model utilizes composite sensor data specifically temperature and vibration collected under normal operation, enabling non-intrusive diagnostics. Compared to traditional regression and RNN models, AR-Net offers improved adaptability to shifting operational trends. Experimental results show excellent prediction accuracy, with Mean Absolute Percentage Error (MAPE) of 0.93% for temperature and 5.09% for vibration each. These results show the feasibility of applying AR-Net for real time transformer condition prediction and support its integration into intelligent predictive maintenance systems.

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