永磁-感应子式发电机电磁场与特性计算  

Electromagnetic Field and Characteristic Calculation of Permanent Magnet Induction Generator

作　　者：菅志军[1] 张玉霖[1] 朱伟红[1] JIAN Zhijun;ZHANG Yulin;ZHU Weihong(China Oil Field Service Limited,Beijing 101149,China)

机构地区：[1]中海油田服务股份有限公司,北京101149

出　　处：《微电机》2023年第2期17-20,共4页Micromotors

基　　金：中国科学院战略性先导科技专项(XDA14030000);中国海洋石油集团有限公司重点项目(CNOOC-KJZDHXJSGGYF2019-01)。

摘　　要：永磁-感应子式发电机是兼具永磁发电机与电励磁发电机优点的新型混合励磁发电机,该结构可以通过改变励磁电流的方向,实现发电机的增磁运行和去磁运行。针对其特殊的电机结构和磁路特点进行分析,对发电机复杂的磁路建模进行简化,将永磁部分进行二维磁场建模,感应子部分进行三维磁场建模,大大缩减了有限元计算过程的复杂性。另外,本文从实验的角度对该发电机的空载特性、负载特性以及电压可调整性进行验证,从实验角度证明了永磁-感应子式发电机具有良好的可调整性。Permanent magnet induction generator is a new type of hybrid excitation generator with the advantages of permanent magnet generator and electric excitation generator.The structure can realize the magnetization and demagnetization operation of the generator by changing the direction of excitation current.And the special motor structure and magnetic circuit characteristics of permanent magnet-induction generator was analyzed in this paper.In order to simplify the complex magnetic circuit modeling of generator,the permanent magnet part was modeled by two-dimensional,and the induction part was modeled by three-dimensional.The complexity of finite element calculation process was greatly reduced.In addition,the no-load characteristics,load characteristics and voltage adjustability of the permanent magnet-induction generator can be confirmed experimentally.It is noteworthy that the permanent magnet induction generator has good adjustability proved from the experimental data.

关 键 词：永磁-感应子式发电机 磁场计算 特性分析 

分 类 号：TM351[电气工程—电机] TM346