한국생산제조학회지 (Journal of the Korean Society of Manufacturing Technology Engineers)

  • 제24권6호
  • /
  • Pages.653-659
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  • 2015
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  • 2508-5093(pISSN)
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  • 2508-5107(eISSN)
한국생산제조학회 (The Korean Society of Manufacturing Technology Engineers)
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고속철도차량용 견인 인버터 커패시터의 가속수명 예측

Acceleration Life Prediction of the Capacitor on a Traction Inverter for a High-Speed Train

  • Maeng, Heeyoung (Department of Mechanical System Design Eng., Seoul National University of Science and Technology) ;
  • Jung, Si-Kyo (Department of Rolling Stock System Engineering, Graduate School of Railroad, Seoul National University of Science and Technology)
  • 투고 : 2015.11.16
  • 심사 : 2015.12.08
  • 발행 : 2015.12.15
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초록

The aim of this study is to develop a technique for the accelerated life test of the capacitor in a propulsion control device of a traction inverter used for a high-speed train. Using this technique, the accelerated life test can possibly estimate the life cycle of a capacitor under various temperature conditions and irregularly applied voltage. The accelerated life test is conducted for the capacitor of the traction inverter. The common proceedings of this test are selection of failure mechanism, determination of accelerated stress, range determination of the accelerated stress, determination of the test condition, and distribution and determination of the sample. From this result, the continuous applied voltage was not considered for the acceleration factors anymore. Therefore, the final result having an acceleration factor of 9.4 (= 13,626/1,445) was observed. Furthermore, the life-shortening acceleration effect for the irregular applied voltage condition can be applied to various situations.

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참고문헌

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피인용 문헌

  1. An Experimental Study of the Lifetime of a Tripod Shaft with Torsional Fatigue Using an Accelerated Life Test Method vol.19, pp.9, 2018, https://doi.org/10.1007/s12541-018-0165-1