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王珏,窦爱玉,慈文彦.基于高频脉冲注入法的开关磁阻电机母线电流分解[J].电源学报,2019,17(4):179-184
基于高频脉冲注入法的开关磁阻电机母线电流分解
Busbar Current Decomposition for Switched Reluctance Motor Based on High-frequency Pulse Injection Method
投稿时间:2018-04-22  修订日期:2018-12-17
DOI:10.13234/j.issn.2095-2805.2019.4.179
中文关键词:  开关磁阻电机  高频脉冲注入  分解母线电流
英文关键词:switched reluctance motor (SRM)  high-frequency pulse injection  busbar current decomposition
基金项目:泰州市科技支撑计划(社会发展)资助项目(SSF20170124)
作者单位E-mail
王珏 南京师范大学泰州学院电力工程学院, 泰州 225300 19870312wj@163.com 
窦爱玉 南京师范大学泰州学院电力工程学院, 泰州 225300  
慈文彦 南京师范大学泰州学院电力工程学院, 泰州 225300  
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中文摘要:
      传统的开关磁阻电机相电流采样技术是在每相绕组中分别放置1个电流传感器,这样不但增加了系统成本,而且降低了系统的可靠性。对传统不对称半桥变换电路的连接方式稍作改变,提出将高频脉冲注入开关磁阻电机母线电流中分解出各相电流的技术。该采样方法减少了电机调速系统中电流传感器的数量,降低了系统成本,使系统运行更加可靠。最后搭建了三相12/8极的开关磁阻电机系统仿真模型和实验平台,仿真分析与实验结果验证了所提分解母线电流方法的有效性、正确性。
英文摘要:
      In the traditional phase current sampling technique for a switched reluctance motor(SRM), one current se-nsor is placed in each phase winding, which increases the system cost and reduces the system reliability. In this paper, a small modification is made to the circuit connection mode of the traditional asymmetric half-bridge converter, i.e., each phase current is decomposed from busbar current by injecting high-frequency pulse to the SVM. Using this method, the number of current sensors in the speed regulation system is reduced, thus reducing the system cost and making the system operate more reliably. Finally, a simulation model and an experimental platform of a three-phase 12/8 pole SRM system were set up. The effectiveness and validity of the proposed busbar current decomposition method were verified by simulation analyses and experimental results.
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