本文選題：高速永磁發(fā)電機 + 有限元　； 參考：《南京航空航天大學》2014年碩士論文

【摘要】：高速永磁發(fā)電機由于具有轉速高、體積小等優(yōu)點,在航空航天等領域得到廣泛的應用。當前國內、外現(xiàn)有研究對高速永磁發(fā)電機電磁設計的基礎理論研究還不夠深入完善�；诖�,本文將針對高速永磁發(fā)電機的結構設計方案、鐵心磁場分布、損耗及溫升等電磁參數的計算方法進行了研究。根據高速永磁發(fā)電機小尺度、高轉速的運行特點,提出了發(fā)電機的定子和轉子結構的設計方案,并針對微型渦噴發(fā)動機相配套的高速發(fā)電機進行了初步尺寸設計。基于滑移邊界法建立了高速永磁發(fā)電機磁場計算有限元模型;分析了不同轉速、不同電機結構參數對電機電磁性能的影響規(guī)律。在磁場計算的基礎上,根據鐵耗計算模型進行定子鐵耗分布的計算,研究了不同鐵心材料、不同定子結構尺寸及不同轉速情況下的鐵耗大小及分布規(guī)律。同時還對高轉速運行情況下引起的轉子渦流損耗、風阻損耗及繞組損耗進行了計算。最后以各損耗組分作為熱源進行溫度場分析,并分析了不同轉速下電機溫升的變化規(guī)律。設計和實現(xiàn)了一臺額定功率400W,發(fā)電工作轉速80000~100000r/min的渦噴發(fā)動機用的發(fā)電機系統(tǒng),搭建高速發(fā)電機的試驗平臺,開展高速發(fā)電機電機本體電磁性能參數等相關試驗研究。
[Abstract]:High-speed permanent magnet generator has been widely used in aerospace and other fields because of its advantages of high speed and small volume. At present, the existing research on the basic theory of high-speed permanent magnet generator electromagnetic design is not perfect. Based on this, the structural design of high speed permanent magnet generator, the calculation method of magnetic field distribution, loss and temperature rise of high speed permanent magnet generator are studied in this paper. According to the characteristics of high speed permanent magnet generator with small scale and high speed, the design scheme of stator and rotor structure of generator is put forward, and the initial dimension design of high speed generator for micro turbojet engine is carried out. Based on the slip boundary method, the finite element model of magnetic field calculation for high speed permanent magnet generator is established, and the influence law of different rotational speed and different motor structure parameters on the electromagnetic performance of high speed permanent magnet generator is analyzed. Based on the calculation of magnetic field, the distribution of iron loss of stator is calculated according to the calculation model of iron loss, and the size and distribution of iron loss under different core materials, different stator structure and different rotational speed are studied. At the same time, the rotor eddy current loss, wind resistance loss and winding loss caused by high speed operation are calculated. Finally, the temperature field of the motor is analyzed with the loss components as the heat source, and the variation law of the motor temperature rise under different rotational speeds is analyzed. A generator system for turbojet engine with rated power of 400W and working speed of generator 80000~100000r/min is designed and implemented. The test platform of high-speed generator is set up and the related experimental research on electromagnetic performance parameters of high-speed generator body is carried out.
【學位授予單位】：南京航空航天大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：TM313

【參考文獻】

相關碩士學位論文 前1條

1 徐云龍;高速永磁電機損耗計算與熱分析[D];沈陽工業(yè)大學;2009年

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本文編號：1867820