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Managing the Equipment Service Life in Rendering Engineering Support to NPP Operation

机译：在NPP运行的渲染工程支持中管理设备使用寿命

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摘要

Apart from subjecting metal to nondestructive testing and determining its actual state, which are the traditional methods used for managing the service life of NPP equipment during its operation, other approaches closely linked with rendering engineering support to NPP operation have emerged in recent decades, which, however, have been covered in publications to a lesser extent. Service life management matters occupy the central place in the structure of engineering support measures. Application of the concept of repairing NPP equipment based on assessing its technical state and the risk of its failure makes it possible to achieve significantly smaller costs for maintenance and repairs and produce a larger amount of electricity due to shorter planned outages. Decreasing the occurrence probability of a process-related abnormality through its prediction is a further development of techniques for monitoring the technical state of equipment and systems. The proposed and implemented procedure for predicting the occurrence of process-related deviations from normal NPP operation opens the possibility to record in the online mode the trends in changes of process parameters that are likely to lead to malfunctions in equipment operation and to reduce the probability of power unit unloading when an abnormal technical state of equipment occurs and develops by recording changes in the state at an early stage and taking timely corrective measures. The article presents the structure of interconnections between the objectives and conditions of adjustment and commissioning tests, in which the management of equipment service life (saving and optimizing the service life) occupies the central place. Special attention is paid to differences in resource saving and optimization measures.
机译：除了对金属进行无损检测并确定其实际状态（这是管理NPP设备在运行过程中的使用寿命的传统方法）外，近几十年来，还出现了与为NPP运行提供工程支持紧密联系的其他方法，但是，出版物中所涉及的范围较小。使用寿命管理事项在工程支持措施的结构中占据中心位置。基于评估NPP设备的技术状态和故障风险而应用维修NPP设备的概念的应用使得可以实现显着更低的维护和维修成本，并且由于计划内的停机时间更短而产生大量的电力。通过预测与过程相关的异常来降低发生概率是监视设备和系统技术状态的技术的进一步发展。用于预测与正常NPP操作有关的过程相关偏差的发生的拟议和实施的程序为在线模式下记录可能导致设备操作故障的过程参数变化趋势提供了可能性，并降低了发生故障的可能性。当设备出现异常的技术状态并在早期阶段记录状态变化并采取及时的纠正措施时，功率单元就会卸载。本文介绍了调整和调试测试的目标和条件之间的互连结构，其中设备使用寿命的管理（节省和优化使用寿命）占据着中心位置。特别注意资源节省和优化措施上的差异。

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