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Diagnostic method based on the analysis of the vibration and acoustic emission energy for emergency diesel generators in nuclear plants

机译：基于核电站应急柴油发电机振动和声发射能量分析的诊断方法

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摘要

Ensuring the availability and reliability of the Emergency Diesel Generators (EDGs) in nuclear power plants is a critical aspect to guarantee the plant safe shutdown in case of an emergency scenario. An effective engine diagnosis method is essential to fulfill that goal. For that purpose, this paper presents a fast and automatic engine diagnosis method based on a single parameter: the vibration/AE signals energy. The method is based on the comparison of the vibration and AE energy with reference values to determine whether the engine condition is faulty. The method was applied in a test engine, and proved to work satisfactorily. Therefore, it was used to diagnose the EDGs in a nuclear power plant, where regular rigorous inspections are effected periodically. An injector fault was detected thanks to the diagnosis method.
机译：确保核电站中应急柴油发电机（EDG）的可用性和可靠性是在紧急情况下保证电厂安全关闭的关键方面。有效的发动机诊断方法对于实现该目标至关重要。为此，本文提出了一种基于单个参数的快速，自动的发动机诊断方法：振动/ AE信号能量。该方法基于振动和AE能量与参考值的比较，以确定发动机状况是否有故障。该方法在测试引擎中得到了应用，并被证明可以令人满意地工作。因此，它被用于诊断核电厂中的EDG，在那里定期进行定期的严格检查。通过诊断方法检测到喷油器故障。

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  • 来源
    《Applied Acoustics》 |2013年第4期|502-508|共7页
  • 作者

    Jorge Arroyo; Mariano Munoz; Francisco Moreno; Nuria Bernal; Carlos Monne;

  • 作者单位

    Department of Mechanical Engineering, Laboratory of Engines, University of Zaragoza, C/Maria de Luna s (edificio Betancourt), 50018 Zaragoza, Spain;

    Department of Mechanical Engineering, Laboratory of Engines, University of Zaragoza, C/Maria de Luna s (edificio Betancourt), 50018 Zaragoza, Spain;

    Department of Mechanical Engineering, Laboratory of Engines, University of Zaragoza, C/Maria de Luna s (edificio Betancourt), 50018 Zaragoza, Spain;

    Department of Mechanical Engineering, Laboratory of Engines, University of Zaragoza, C/Maria de Luna s (edificio Betancourt), 50018 Zaragoza, Spain;

    Department of Mechanical Engineering, Laboratory of Engines, University of Zaragoza, C/Maria de Luna s (edificio Betancourt), 50018 Zaragoza, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    internal combustion engine; vibration; acoustic emission; fault detection;

    机译：内燃机;振动;声发射故障检测;

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