摘要
为准确计算励磁电流,采用有限元法分析了交错磁极(consequent-pole permanent magnet,CPPM)无刷直流发电机(brushless DC generator,BLDCG)电励磁磁场和永磁磁场的耦合特点,讨论了电枢电流换流过程及其对励磁电流的影响,在此基础上推导出考虑磁场耦合和换流过程的励磁电流表达式.实验结果表明:计及磁场耦合和电枢电流换流过程可以提高励磁电流计算的准确度.
To improve the accuracy of field current calculation, coupling characteristic of permanentmagnet field and excited field of consequent鄄pole permanent鄄magnet (CPPM) brushless DC generator(BLDCG) was analyzed based on finite element method, and the commutation characteristic of windingcurrent with diode rectification is discussed in this paper. Moreover, formulas of field current werederived in view of coupling characteristic and commutation characteristic. Experimental results verify thetheoretical analysis method.
作者
许家群
龙凤
邢伟
XU Jiaqun;LONG Feng;XING Wei(College of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China;College of Automation Science and Electrical Engineering, Beihang University, Beijing 100191, China)
出处
《北京工业大学学报》
CAS
CSCD
北大核心
2016年第8期1167-1173,共7页
Journal of Beijing University of Technology
基金
北京市教育委员会科技计划资助项目(KM200910005015)
关键词
交错磁极
无刷直流发电机
混合励磁电机
consequent-pole permanent magnet (CPPM)
brushless DC generator(BLDCG)
hybrid excitation machine
