Method and system for supervising and diagnosing abnormal chemical working conditions of nuclear power plant

The invention provides a nuclear power plant chemical working condition abnormity supervision and diagnosis method and system, relates to the technical field of nuclear power plant chemical working condition abnormity supervision and diagnosis, and solves the problems of poor timeliness, low efficiency and low accuracy existing in manual chemical abnormity data detection and abnormity reason diagnosis and troubleshooting depending on experience of chemical engineers. According to the invention, the anomaly detection rule can be automatically generated according to the existing operation event and experience feedback of the nuclear power plant, the system can automatically detect the chemical anomaly by using the anomaly detection rule, and the detection efficiency and accuracy are improved. 本发明提供了一种核电厂化学工况异常监督诊断方法和系统，涉及核电厂化学工况异常监督及诊断技术领域，解决依靠化学工程师经验手动进行化学异常数据检测及异常原因诊断排查存在及时性差、效率低以及准确性不高的问题。本发明能根据核电厂已有的运行事件和经验反馈自动生成异常检测规则，利用异常检测规则可以实现系统自动进行化学异常的检测，提高了检测的效率及准确率。