산업경영시스템학회지 (Journal of Korean Society of Industrial and Systems Engineering)

  • 제46권2호
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  • Pages.133-142
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  • 2023
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  • 2005-0461(pISSN)
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  • 2287-7975(eISSN)
한국산업경영시스템학회 (Society of Korea Industrial and System Engineering)
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양수발전 설비에 적용 가능한 새로운 고장 예측경보 알고리즘 개발

Development of a New Prediction Alarm Algorithm Applicable to Pumped Storage Power Plant

  • 이대연 (국립 한밭대학교 스마트생산경영공학과, 가온플랫폼(주)) ;
  • 박수용 (국립 한밭대학교 융합기술학과) ;
  • 이동형 (국립 한밭대학교 산업경영공학과)
  • Dae-Yeon Lee (Department of Smart Production & Management Engineering, Hanbat National University) ;
  • Soo-Yong Park (Department of Convergence Technology, Hanbat National University) ;
  • Dong-Hyung Lee (Department of Industrial & Management Engineering, Hanbat National University)
  • 투고 : 2023.06.05
  • 심사 : 2023.06.19
  • 발행 : 2023.06.30
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초록

The large process plant is currently implementing predictive maintenance technology to transition from the traditional Time-Based Maintenance (TBM) approach to the Condition-Based Maintenance (CBM) approach in order to improve equipment maintenance and productivity. The traditional techniques for predictive maintenance involved managing upper/lower thresholds (Set-Point) of equipment signals or identifying anomalies through control charts. Recently, with the development of techniques for big analysis, machine learning-based AAKR (Auto-Associative Kernel Regression) and deep learning-based VAE (Variation Auto-Encoder) techniques are being actively applied for predictive maintenance. However, this predictive maintenance techniques is only effective during steady-state operation of plant equipment, and it is difficult to apply them during start-up and shutdown periods when rises or falls. In addition, unlike processes such as nuclear and thermal power plants, which operate for hundreds of days after a single start-up, because the pumped power plant involves repeated start-ups and shutdowns 4-5 times a day, it is needed the prediction and alarm algorithm suitable for its characteristics. In this study, we aim to propose an approach to apply the optimal predictive alarm algorithm that is suitable for the characteristics of Pumped Storage Power Plant(PSPP) facilities to the system by analyzing the predictive maintenance techniques used in existing nuclear and coal power plants.

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과제정보

This work was supported by KOREA HYDRO & NUCLEAR POWER CO., LTD. (No. H22-S023-000).

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