本文選題：高速感應(yīng)電機(jī) + 電機(jī)設(shè)計(jì)程序　； 參考：《哈爾濱理工大學(xué)》2017年碩士論文

【摘要】：隨著工業(yè)技術(shù)的不斷發(fā)展,在交通、管道運(yùn)輸、生產(chǎn)制造等領(lǐng)域?qū)Ω咚衮?qū)動系統(tǒng)有了越來越高的要求。傳統(tǒng)的高速驅(qū)動系統(tǒng)大多是利用普通感應(yīng)電機(jī)帶動齒輪箱結(jié)構(gòu)來實(shí)現(xiàn)高轉(zhuǎn)速輸出,但是會帶來摩擦損耗、噪聲、效率低、可靠性差等諸多問題。隨著電力電子技術(shù)越來越成熟,采用新型高速直驅(qū)系統(tǒng)就可以很好地解決這些問題,高速直驅(qū)系統(tǒng)是高速電機(jī)直接連接負(fù)載并實(shí)現(xiàn)高轉(zhuǎn)速輸出。高速感應(yīng)電機(jī)作為高速電機(jī)的主要類型電機(jī),相比普通感應(yīng)電機(jī),電源頻率高、轉(zhuǎn)子轉(zhuǎn)速高,因而在設(shè)計(jì)中與普通感應(yīng)電機(jī)有很大不同,因此本文對高速感應(yīng)電機(jī)在設(shè)計(jì)中有關(guān)磁場和溫度場的問題進(jìn)行了分析。首先,對高速感應(yīng)電機(jī)在設(shè)計(jì)中主要尺寸的選擇、轉(zhuǎn)子結(jié)構(gòu)的設(shè)計(jì)、鐵心材料的選取和損耗計(jì)算的問題進(jìn)行了重點(diǎn)介紹,根據(jù)電機(jī)主要尺寸關(guān)系式分析了高速感應(yīng)電機(jī)的電磁負(fù)荷該如何選取,比較了疊片、實(shí)心光滑和實(shí)心開縫3種轉(zhuǎn)子結(jié)構(gòu)的特點(diǎn),對高速感應(yīng)電機(jī)常用的鐵心材料進(jìn)行了介紹,分析比較了高速感應(yīng)電機(jī)鐵心損耗的3種計(jì)算方法,并給出了高速感應(yīng)電機(jī)風(fēng)摩損耗的計(jì)算公式。其次,參考普通感應(yīng)電機(jī)的電磁設(shè)計(jì)程序,結(jié)合高速感應(yīng)電機(jī)的設(shè)計(jì)特點(diǎn),利用編程軟件分別對高速感應(yīng)電機(jī)疊片轉(zhuǎn)子結(jié)構(gòu)和實(shí)心轉(zhuǎn)子結(jié)構(gòu)編制了電磁設(shè)計(jì)程序,并在程序中增加了GUI界面以便于數(shù)據(jù)輸入和計(jì)算結(jié)果顯示。再次,對高速感應(yīng)電機(jī)的轉(zhuǎn)子結(jié)構(gòu)如何選取進(jìn)行了分析,并利用渦流場有限元法對高速感應(yīng)電機(jī)疊片、實(shí)心光滑和實(shí)心開縫3種結(jié)構(gòu)的電機(jī)性能進(jìn)行了計(jì)算,比較了3種轉(zhuǎn)子結(jié)構(gòu)對電機(jī)磁場的影響,并針對采用實(shí)心開縫轉(zhuǎn)子結(jié)構(gòu)的高速感應(yīng)電機(jī),通過比較多種開縫尺寸方案和不同開縫數(shù)目方案,進(jìn)一步分析了開縫尺寸和開縫數(shù)目對電機(jī)性能的影響。最后,以實(shí)心開縫轉(zhuǎn)子為例建立三維溫度場分析模型,根據(jù)渦流場計(jì)算的各項(xiàng)損耗對電機(jī)進(jìn)行熱源設(shè)置,利用有限體積法計(jì)算了高速感應(yīng)電機(jī)的溫度場,得出了轉(zhuǎn)子鐵心、定子鐵心以及定子繞組的溫度分布規(guī)律。
[Abstract]:With the development of industrial technology, high speed drive system is required more and more in the fields of transportation, pipeline transportation, manufacturing and so on. The traditional high speed drive system mostly uses the common induction motor to drive the gearbox structure to realize the high speed output, but will bring the friction loss, the noise, the low efficiency, the reliability and so on many problems. As the power electronics technology becomes more and more mature, these problems can be solved very well by adopting a new type of high-speed direct drive system, which is a high speed motor directly connecting the load and realizing the high speed output. As the main type of high speed induction motor, high speed induction motor is different from ordinary induction motor in design because of its high frequency of power supply and high speed of rotor. In this paper, the problems of magnetic field and temperature field in the design of high speed induction motor are analyzed. Firstly, the selection of main dimensions, the design of rotor structure, the selection of core materials and the calculation of loss in the design of high speed induction motor are introduced. According to the main dimension relation of the motor, this paper analyzes how to select the electromagnetic load of the high-speed induction motor, compares the characteristics of laminated rotor, solid smooth rotor and solid slit rotor structure, and introduces the iron core materials commonly used in high-speed induction motor. Three calculating methods of iron core loss of high speed induction motor are analyzed and compared, and the formula of wind friction loss of high speed induction motor is given. Secondly, referring to the electromagnetic design program of the common induction motor and combining the design characteristics of the high-speed induction motor, the electromagnetic design program for the laminated rotor structure and solid rotor structure of the high-speed induction motor is developed by using the programming software. The GUI interface is added to the program to facilitate the data input and the display of calculation results. Thirdly, how to select rotor structure of high speed induction motor is analyzed, and the performance of high speed induction motor with laminated, solid smooth and solid slit structure is calculated by eddy current field finite element method. The influence of three kinds of rotor structures on the magnetic field of the motor is compared, and for the high-speed induction motor with solid slit rotor structure, the different slit size schemes and different slit number schemes are compared. The effects of slit size and number of slits on the performance of the motor are further analyzed. Finally, taking the solid slit rotor as an example, a three-dimensional temperature field analysis model is established. According to the loss of the eddy current field, the heat source of the motor is set up, and the temperature field of the high-speed induction motor is calculated by using the finite volume method, and the rotor core is obtained. Temperature distribution of stator core and stator winding.
【學(xué)位授予單位】：哈爾濱理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TM346

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