一種頻率響應(yīng)測(cè)量永磁電機(jī)交直軸電感方法
盧茂祥1,2,仇志堅(jiān)1
(1 上海大學(xué) 機(jī)電工程與自動(dòng)化學(xué)院,上海 200072;2 雷勃電氣(蘇州)有限公司,江蘇 蘇州 215400)
摘 要:提出一種靜態(tài)頻率響應(yīng)檢測(cè)永磁同步電機(jī)d軸電感和q軸電感的方法,介紹了該方法的測(cè)量原理及實(shí)驗(yàn)步驟,該方法讓轉(zhuǎn)子停留在任意給定的位置,無(wú)需在檢測(cè)過(guò)程中校準(zhǔn)永磁轉(zhuǎn)子位置而避免由于位置不精確導(dǎo)致測(cè)量誤差。將該方法應(yīng)用于SPM和IPM電機(jī)的電感檢測(cè),通過(guò)調(diào)整交流電源的電流、頻率和永磁電機(jī)轉(zhuǎn)子磁極的位置等多維度下檢測(cè)的數(shù)據(jù),驗(yàn)證了該方法的檢測(cè)數(shù)據(jù)和有限元仿真計(jì)算數(shù)據(jù)相接近。將檢測(cè)參數(shù)應(yīng)用到SPM和IPM的電機(jī)控制中,驗(yàn)證了該檢測(cè)方法數(shù)據(jù)在工程應(yīng)用中的有效性及優(yōu)越性。
關(guān)鍵詞:永磁同步電機(jī)(PMSM);頻率響應(yīng);d軸電感;q軸電感;有限元仿真
中圖分類號(hào):TM351 文獻(xiàn)標(biāo)識(shí)碼:A 文章編號(hào):1007-3175(2020)07-0051-05
A Frequency Response Method for Measuring d-Axial and q-Axial Inductance of PMSM
LU Mao-xiang1,2, QIU Zhi-jian1
(1 School of Mechatronic Engineeringand Automation, Shanghai University, Shanghai 200072, China;
2 Regal Beloit (Suzhou) Co., Ltd, Suzhou 215400, China)
Abstract: This paper introduced a standstill frequency response method for measuring d-axial inductance and q-axial inductance of permanent magnet synchronous motor (PMSM) during PMSM development and design processing.The method is applied with the rotor at standstill in a given arbitrary position, without requirement of calibration for the rotor position in testing; it is avoid measurement errors due to inaccurate position.Meanwhile, this method was applied to the SPM and IPM motor inductance detection, adjusting the output current and frequency of AC power supply and the position of PMSM rotor to verify the consistency between detection data of this method and FEA (finite element analysis)result. Finally, the validity and superiority of this detection method in engineering application are verified by applying the parameters to the control of SPM and IPM.
Key words: permanent magnet synchronous motor (PMSM); frequency response; d-axial inductance; q-axial inductance; FEA
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