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自寻优最大转矩电流比矢量控制连载之四:同步磁阻电机同构电感建模的虚拟信号注入法控制 被引量:1

Self-Optimizing MTPA Vector Control Part 4:Isomorphic Inductance-Modeled Virtual Signal Injection Method for Synchronous Reluctance Motor Control
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摘要 在虚拟双极性方波信号注入的基础上,提出基于同构电感的参考转矩模型,能够更好模拟实际情况。设计相位摇摆法进行同构电感辨识。考虑到该算法不具备启动机制,配合提出基于均势参数的自启动机制。研究表明,基于同构电感重建的转矩模型因为考虑了参数非线性变化,能实现性能更优的最大转矩电流比(MTPA)控制,并且相位摇摆法与自启动机制的配合改善了系统的动态跟随性能。 Synchronous reluctance motor(SynRM)usually works with iron core saturation,which leads to the nonlinearity and variation of the inductance parameters.The traditional formula method considers the motor parameters as constants in the process of achieving the maximum torque per Ampere(MTPA)control,whilst the virtual signal injection method(VSIM)assumes the constant inductances before and after each injection.Both lead to errors of the current vector phase angle of the MTPA.To solve this problem,a reference torque model based on isomorphic inductance was proposed on the basis of virtual bipolar square wave signal injection method,which can accurately fit the actual model.The phase swing method was designed for the isomorphic inductance identification.Considering that the algorithm does not have a starting mechanism,a self-starting mechanism based on the average parameters was proposed.It is shown that the reconstructed torque model can achieve better MTPA control,as it takes the nonlinear variation of parameters into account,and the cooperation of phase swing method and self-start mechanism improves the dynamic performance of the system.
作者 张雨馨 王云冲 史丹 徐彬涵 沈建新 ZHANG Yuxin;WANG Yunchong;SHI Dan;XU Binhan;SHEN Jianxin(College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China;Zhejiang Provincial Key Laboratory of Electrical Machine Systems,Hangzhou 310027,China;State Key Laboratory of Fluid Power and Mechatronic Systems,Hangzhou 310027,China)
出处 《微特电机》 2022年第12期1-7,共7页 Small & Special Electrical Machines
基金 国家自然科学基金项目(52007161,51837010) 浙江省尖兵领雁计划项目(2022C01097,2022C01001) 之江实验室科研攻关项目资助(2022PEOAC01)。
关键词 同步磁阻电机 最大转矩电流比控制 虚拟信号注入法 同构电感 相位摇摆法 自启动机制 synchronous reluctance motor(SynRM) maximum torque per Ampere(MTPA)control virtual signal injection method(VSIM) isomorphic inductance phase swing method self-starting mechanism
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