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混合励磁双凸极电机三维有限元仿真与数字电压调节技术 被引量:13

3-D Finite Element Simulation and Digital Voltage Regulation of a Doubly Salient Hybrid Excitation Generator
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摘要 并列结构混合励磁双凸极电机的励磁磁链由永磁体和励磁绕组共同产生。建立了该种电机的三维场仿真模型并进行了发电机空载情况下的仿真,所得的空载电压仿真波形和实验结果一致,仿真还得到了励磁电感的大小。通过辨识的方法获得了发电机的传递函数,其中励磁时间常数对应的极点占了主导地位。针对获得的发电机传递函数,利用Matlab软件设计了数字PI调节器的参数。构建了基于TMS320VC33的数字电压调节器,对混合励磁双凸极发电机进行了调压实验,实验结果验证了辨识方法和仿真模型的正确性。 This paper researched the doubly salient hybrid excitation machine with parallel structure.The exciting flux in this machine is determined by the permanent magnet and the field coils.At first,the 3-D finite element simulation model was set up.The no-load situation of the doubly salient hybrid excitation generator(DSHEG) was simulated.And the phase voltage waveforms obtained from the simulation were accordant with the experimental.Then,the paper got the transfer function of DSHEG through the system identification.The time constant of the field coils decides the dominant pole of the transfer function.The parameters of digital PI regulator were designed by MATLAB software.And the digital voltage regulator based on TMS320VC33 was designed.At last,the digital voltage regulation experiment on the sample DSHEG was conducted.The identification method and the simulation model are verified by the experimental results.
作者 陈志辉 周楠
出处 《中国电机工程学报》 EI CSCD 北大核心 2010年第27期26-31,共6页 Proceedings of the CSEE
基金 国家自然科学基金项目(50337030)~~
关键词 双凸极电机 混合励磁 3维有限元仿真 系统辨识 数字电压调节器 doubly salient machine hybrid excitation 3-D finite element simulation system identification digital voltage regulator
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参考文献14

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