Research on Quick-Closing Time Prediction Model of the Driving Device of the Main Steam Isolation Valve
The main steam isolation valve is the key equipment to ensure the safe operations of nuclear power plants,and its quick-clos-ing time is one of the most important performance indicators for measuring the driving device of the main steam isolation valve.In or-der to realize the fast estimation of the quick-closing time of the main steam isolation valve,the regression analysis technology is intro-duced based on the results of the system simulation of the driving device,and a prediction model of the quick-closing time is proposed,which provides reference for the domestic research and development.Based on the system simulation results of the main steam isolation valve drive device,the prediction model of single/double channel closing time is established,and the reliability and accuracy of the pre-diction model are verified by the test data.The results show that the proposed prediction model can accurately predict the single/double channel closing time,and the prediction error of single channel closing time is less than 5.86％,and the average prediction error is 2.82％.The prediction error of dual-channel closing time is not greater than 5.80％,and the average prediction error is 2.77％.
Main Steam Isolation ValveDriving DeviceQuick-Closing TimePrediction ModelRegression Analysis
万方数据
维普
