永磁同步電動機的設(shè)計與仿真
李芳玲1，劉景輝2
1 廣東工業(yè)大學(xué) 自動化學(xué)院，廣東 廣州 510006；２ 貴州航天林泉電機有限公司，貴州 貴陽 550008
摘 要：針對分?jǐn)?shù)槽配合電機的氣隙磁場諧波次數(shù)過多，容易產(chǎn)生振動和噪聲問題，采用磁路計算和有限元分析相結(jié)合的方法，設(shè)計了一臺8 極24 槽、11.8 kW、額定轉(zhuǎn)速1 500 r/min 的整數(shù)槽配合的永磁同步電動機。給出了確定電機主要尺寸的方法，利用Ansys Maxwell 軟件對電機空載磁場、反電勢、齒槽轉(zhuǎn)矩、電機負(fù)載性能進行了仿真分析與計算。樣機試驗結(jié)果表明達到了設(shè)計要求，與仿真結(jié)果誤差在5% 以內(nèi)，驗證了設(shè)計和仿真的準(zhǔn)確性。
關(guān)鍵詞：永磁同步電動機；分?jǐn)?shù)槽配合；整數(shù)槽配合；振動；噪聲
中圖分類號：TM341；TM351 文獻標(biāo)識碼：A 文章編號：1007-3175(2014)02-0033-04
Design and Simulation of Permanent Magnetic Synchronous Motors
LI Fang-ling1, LIU Jing-hui2
1 College of Automation, Guangdong University of Technology, Guangzhou 510006, China;2 Guizhou Aerospace Linquan Motor Co., Ltd, Guiyang 550008, China
Abstract: It is easy to generate vibration and noise if there are overabounded times of air gap magnetic field harmonics in fractional slot combination motor. Aiming at the above problem, this paper adopted the combined method of magnetic circuit calculation and finite element to design a permanent magnetic synchronous motor with integer slot combination of 8 poles, 24 slots, 11 .8 kW, rated rotation speed of 15 00 r/min. Main dimensions of the motor was given. By using Ansys Maxwell software, simulation analysis and calculation were carried out for no-load motor magnetic field, counter electromotive force, cogging torque and motor load performance. Sample machine test result shows that the motor has reached design requirements. Compared with the simulation result, the error is less than 5%, which verifies the correctness of the design and simulation.
Key words: permanent synchronous motor; fractional slot combination; integer slot combination; vibration; noise
參考文獻
[1] 暨綿浩.永磁同步電動機及其調(diào)速系統(tǒng)綜述和展望[J].微特電機，2007，35(3)：49-52.
[2] 張漢允，上官璇峰.分?jǐn)?shù)槽自起動永磁同步電機的設(shè)計研究[J].微電機，2011，44(5)：13-16.
[3] Bianchi N，F(xiàn)omasiero E.Impact of MMF space harmonic on rotor losses in fractional-slot permanent-magnet machines[J].IEEE Transactions on Energy Conversion, 2009，24(2)：323-328.
[4] Dorrell D G，Popescu M，Ionel D M.Unbalanced magnetic pull due to asymmetry and low-level static rotor eccentricity in fractional-slot brushless permanent-magnet motors with surfacemagnet and consequent-pole rotors[J].IEEE Transactions on Magnetics，2010，46(7)：2675-2685.
[5] 王秀和，楊玉波，丁婷婷，等.基于極弧系數(shù)選擇的實心轉(zhuǎn)子永磁同步電動機齒槽轉(zhuǎn)矩削弱方法研究[J].中國電機工程學(xué)報，2005，25(15)：146-149.
[6] 王興華，勵慶孚，石山.永磁電機磁阻轉(zhuǎn)矩的抑制方法[J].西安交通大學(xué)學(xué)報，2002，36(6)：576-579.
[7] 高強，韓力.磁極開槽法抑制永磁電動機齒槽轉(zhuǎn)矩研究[J].微電機，2008，41(12)：1-4.
[8] 楊浩東，陳陽生.分?jǐn)?shù)槽永磁同步電機電磁振動的分析與抑制[J].中國電機工程學(xué)報，2011，31(24)：83-89.
[9] 廖勇，甄帥，劉刃，等. 用諧波注入抑制永磁同步電機轉(zhuǎn)矩脈動[ J ] . 中國電機工程學(xué)報，2011，31(21)：119-122.
[10] 胡巖，武建成，李德成，等.小型電動機現(xiàn)代實用設(shè)計技術(shù)[M].北京：機械工業(yè)出版社，2008.
