Sensorless Speed Estimation of an Inverter-fed Induction Motor Using the Supply Side Current | |
Song XJ(宋向金)1,3; Wang Z(王卓)1,3; Li SH(李署辉)2; Hu JT(胡静涛)1,3 | |
刊名 | IEEE Transactions on Energy Conversion |
2019 | |
卷号 | 34期号:3页码:1432-1441 |
关键词 | Speed estimation supply side current induction motor Hilbert transform Goertzel algorithm |
ISSN号 | 0885-8969 |
产权排序 | 1 |
英文摘要 | The supply side current of an inverter-fed induction motor is easily accessible and less affected by noises than the motor stator current. This paper proposes a novel sensorless speed estimation method for an induction motor (IM) using the spectrum of the supply side current. However, due to the influence of fundamental supply frequency, it is difficult to carry out the speed detection straight from the supply side current signal. In this paper, an analytic model for characterizing the supply side current of an inverter-fed induction motor using the modulation theory and switching function concept is developed. Then, the Hilbert transform is applied to extract the speed harmonic component from the supply side current. Finally, an interpolated Goertzel algorithm is put forward to enhance the estimation precision of induction motor speed. The performance of the proposed sensorless speed estimation method is proved by the speed estimation results obtained from hardware experiments of an induction motor fed by an inverter under different load conditions. |
资助项目 | National Key Research and Development Program of China[2016YFD0700105] ; Key Research Program of the Chinese Academy of Sciences[KFZD-SW-415] |
WOS关键词 | HARMONICS |
WOS研究方向 | Energy & Fuels ; Engineering |
语种 | 英语 |
WOS记录号 | WOS:000482593600027 |
资助机构 | National Key Research and Development Program of China under Grant 2016YFD0700105 ; Key Research Program of the Chinese Academy of Sciences under Grant KFZD-SW-415 |
内容类型 | 期刊论文 |
源URL | [http://ir.sia.cn/handle/173321/23931] |
专题 | 沈阳自动化研究所_数字工厂研究室 |
通讯作者 | Hu JT(胡静涛) |
作者单位 | 1.University of Chinese Academy of Sciences, Beijing 100039, China 2.Department of Electrical and Computer Engineering, The University of Alabama, Tuscaloosa, Alabama United States 35487 3.Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, Liaoning China 110016 |
推荐引用方式 GB/T 7714 | Song XJ,Wang Z,Li SH,et al. Sensorless Speed Estimation of an Inverter-fed Induction Motor Using the Supply Side Current[J]. IEEE Transactions on Energy Conversion,2019,34(3):1432-1441. |
APA | Song XJ,Wang Z,Li SH,&Hu JT.(2019).Sensorless Speed Estimation of an Inverter-fed Induction Motor Using the Supply Side Current.IEEE Transactions on Energy Conversion,34(3),1432-1441. |
MLA | Song XJ,et al."Sensorless Speed Estimation of an Inverter-fed Induction Motor Using the Supply Side Current".IEEE Transactions on Energy Conversion 34.3(2019):1432-1441. |
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