【摘要】：開關(guān)磁阻電機(jī)起源于十九世紀(jì),目前已經(jīng)被應(yīng)用于航空航天,電動(dòng)車,紡織,焦炭等多個(gè)領(lǐng)域。由于具有的結(jié)構(gòu)簡(jiǎn)單,易于控制,容錯(cuò)性能良好等特點(diǎn),開關(guān)磁阻電機(jī)已經(jīng)引起廣泛關(guān)注,并且在發(fā)電領(lǐng)域具有廣闊前景。在世界能源問題日漸突出的今天,提高設(shè)備效率不失為一種現(xiàn)實(shí)選擇。同時(shí)由于風(fēng)力、水利發(fā)電等對(duì)于發(fā)電機(jī)的要求,提高開關(guān)磁阻發(fā)電機(jī)的效率有著重要意義。本論文基于現(xiàn)存的3.5kW,12/8結(jié)構(gòu)的開關(guān)磁阻電機(jī),以提升發(fā)電效率為目的,針對(duì)電機(jī)本體優(yōu)化設(shè)計(jì)展開較為詳細(xì)的討論,并且進(jìn)行了相關(guān)理論分析及其仿真計(jì)算。首先,對(duì)開關(guān)磁阻電機(jī)的結(jié)構(gòu),電動(dòng)運(yùn)行原理,發(fā)電運(yùn)行原理做出闡述,建立數(shù)學(xué)模型,并對(duì)其發(fā)電原理著重進(jìn)行討論。為提高開關(guān)磁阻電機(jī)的發(fā)電效率,通過ANSYS對(duì)樣本開關(guān)磁阻電機(jī)進(jìn)行有限元分析,以樣本電機(jī)的電感曲線為基礎(chǔ)設(shè)計(jì)了六種電感曲線變形。之后基于二維查找表模塊建立開關(guān)磁阻電機(jī)的SIMULINK非線性仿真模型,以驗(yàn)證不同電感曲線下開關(guān)磁阻電機(jī)的發(fā)電效率,并依據(jù)發(fā)電效率確定最優(yōu)電感曲線。通過仿真獲取開關(guān)磁阻電機(jī)形變與電感曲線改變之間聯(lián)系,以最優(yōu)電感曲線為優(yōu)化設(shè)計(jì)目標(biāo),對(duì)電機(jī)本體進(jìn)行優(yōu)化設(shè)計(jì)。最終對(duì)優(yōu)化后開關(guān)磁阻電機(jī)進(jìn)行有限元分析以及效率仿真,以驗(yàn)證優(yōu)化設(shè)計(jì)方法的正確性與可行性。本論文對(duì)開關(guān)磁阻發(fā)電機(jī)優(yōu)化設(shè)計(jì)取得了良好的效果,驗(yàn)證了該優(yōu)化設(shè)計(jì)方法的可行性,為開關(guān)磁阻發(fā)電機(jī)本體的優(yōu)化設(shè)計(jì)提供了借鑒意義。
[Abstract]:Switched reluctance motor (SRM) originated in the 19th century and has been used in many fields such as aerospace, electric vehicle, textile, coke and so on. Because of its simple structure, easy control and good fault-tolerant performance, switched reluctance motor (SRM) has attracted wide attention and has broad prospects in the field of power generation. In the world energy problem is becoming increasingly prominent today, improving equipment efficiency is a practical choice. At the same time, it is of great significance to improve the efficiency of switched reluctance generators due to the requirements of wind power and hydropower generation. Based on the existing 3.5kW / 12 / 8 switched reluctance motor (SRM), in order to improve the efficiency of generating power, the optimization design of the motor body is discussed in detail, and the related theoretical analysis and simulation calculation are carried out. Firstly, the structure of switched reluctance motor (SRM), the principle of electric operation and the principle of power generation are expounded, the mathematical model is established, and the principle of power generation is discussed emphatically. In order to improve the generation efficiency of switched reluctance motor, the finite element analysis of the sample switched reluctance motor is carried out by ANSYS. Six kinds of inductance curves are designed based on the inductance curve of the sample motor. Then the SIMULINK nonlinear simulation model of switched reluctance motor is established based on the two-dimensional lookup table module to verify the generation efficiency of switched reluctance motor under different inductance curves and to determine the optimal inductance curve according to the generation efficiency. The relationship between the deformation of switched reluctance motor and the change of inductance curve is obtained by simulation. The optimum inductance curve is taken as the objective of the optimal design and the optimum design of the motor body is carried out. Finally, finite element analysis and efficiency simulation are carried out to verify the correctness and feasibility of the optimized SRM. This paper has achieved a good effect on the optimal design of switched reluctance generator, verified the feasibility of the optimization design method, and provided a reference for the optimization design of switched reluctance generator body.
【學(xué)位授予單位】：南京理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TM31

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