最小二乘估计在主泵电机推力轴承间隙测量中的应用  

Application of Least Square Estimation on Thrust Bearing Clearance Measurement of Reactor Coolant Pump Motor

作　　者：杜川 DU Chuan(Liaoning Hongyanhe Nuclear Power Co.,Ltd.,Dalian,Liaoning 116319,China)

机构地区：[1]辽宁红沿河核电有限公司,辽宁大连116319

出　　处：《东北电力技术》2023年第4期51-53,57,共4页Northeast Electric Power Technology

摘　　要：通过对核电主泵电机推力轴承间隙测量过程的研究,建立了载荷与位移关系的模型。运用最小二乘估计的方法得到回归方程,并用假设检验的方式验证其显著性,最终得到推力轴承间隙的估计值,为实际工程实践提供参考。Through the research on the measurement procedures for thrust bearing clearance of nuclear reactor coolant pump motor,the model of the relationship between applied load and displacement is established.Through the method of least square estimation,regression equation could be established and verified by hypothesis test.Finally,the thrust bearing clearance could be estimated.

关 键 词：主泵电机 推力轴承间隙 最小二乘估计 回归方程 

分 类 号：TM744[电气工程—电力系统及自动化]