本文選題：開關(guān)磁阻電機 + 開關(guān)磁阻電機調(diào)速系統(tǒng)��； 參考：《山東大學(xué)》2015年碩士論文

【摘要】：開關(guān)磁阻電機調(diào)速系統(tǒng)(Switch Reluctance Motor Drive,簡稱SRD)具有結(jié)構(gòu)簡單、成本低、可靠性高、效率高、控制靈活等很多優(yōu)點,在現(xiàn)代的工業(yè)控制領(lǐng)域中受到了普遍的關(guān)注。由于轉(zhuǎn)子上沒有永磁體或繞組,開關(guān)磁阻電機具有較高的可靠性,適合應(yīng)用于惡劣的環(huán)境或場合。在性能方面,開關(guān)磁阻電機具有頻繁正反轉(zhuǎn)、調(diào)速性能好、過載能力強、在寬廣的調(diào)速范圍內(nèi)效率高等優(yōu)點。近年來,開關(guān)磁阻電機的研究取得了顯著的進步,并且已經(jīng)成功應(yīng)用在家電、電動車、航空等多種領(lǐng)域。本文針對一臺5.5kW、三相12/8極的開關(guān)磁阻電機,完成了對其調(diào)速系統(tǒng)的設(shè)計,主要的工作如下：介紹了開關(guān)磁阻電機調(diào)速系統(tǒng)的發(fā)展歷史,并對其運行原理、數(shù)學(xué)模型、性能特點以及發(fā)展趨勢進行了闡述。提出了開關(guān)磁阻電機調(diào)速系統(tǒng)的總體框架,同時對開關(guān)磁阻電機調(diào)速系統(tǒng)主控制電路進行了介紹：以TI公司的高性能、多功能數(shù)字信號處理器TMS320F2812作為主控制芯片,設(shè)計了TMS320F2812的外圍接口電路、電流反饋電路、位置檢測電路、PWM輸出電路以及控制面板接口電路。功率變換電路在開關(guān)磁阻電機調(diào)速系統(tǒng)中起到提供電能及開關(guān)作用,它的兩端分別連接著電源與電機各相繞組,其性能的好壞對開關(guān)磁阻電機調(diào)速系統(tǒng)性能指標(biāo)有直接影響。本文對開關(guān)磁阻電機調(diào)速系統(tǒng)的功率變換電路和驅(qū)動電路的設(shè)計進行了詳細(xì)的介紹,通過對常用功率變換電路拓?fù)浣Y(jié)構(gòu)性能和適用場合的介紹和比較,采用了適合于本系統(tǒng)的不對稱半橋式功率變換主電路；并選擇了IGBT作為主開關(guān)器件,且對其參數(shù)進行了計算選型；IGBT驅(qū)動電路選擇QP12W05KS-37作為驅(qū)動芯片；同時設(shè)計了IGBT緩沖電路、電流檢測電路以及電源電路。開發(fā)了開關(guān)磁阻電機調(diào)速系統(tǒng)控制面板的總體框架,包括可編程邏輯芯片、數(shù)碼管顯示電路、按鍵控制電路以及通信電路四個部分；對控制面板的核心——可編程邏輯芯片EPM7064AETC進行了介紹；根據(jù)數(shù)碼管的顯示原理,設(shè)計了數(shù)碼管顯示電路以及選擇了ICM7228A作為其驅(qū)動芯片,并詳細(xì)闡述了ICM7228A的幾種顯示驅(qū)動方法；同時設(shè)計了按鍵控制電路和通信電路；最后根據(jù)模塊化設(shè)計給出了控制面板的程序設(shè)計方案。按照運行前檢查與準(zhǔn)備、空載試驗和負(fù)載試驗三個階段對所開發(fā)的開關(guān)磁阻電機調(diào)速系統(tǒng)進行調(diào)試與實驗。在現(xiàn)場調(diào)試的過程中,逐步解決遇到的問題,最終得到了較好的試驗結(jié)果,同時證明了本文設(shè)計的開關(guān)磁阻電機調(diào)速系統(tǒng)的正確性。
[Abstract]:Switched reluctance motor speed control system (SRD) has many advantages, such as simple structure, low cost, high reliability, high efficiency, flexible control and so on. Since there are no permanent magnets or windings on the rotor, the switched reluctance motor (SRM) has high reliability and is suitable for use in harsh environments or situations. In terms of performance, switched reluctance motor (SRM) has the advantages of frequent positive and inverse rotation, good speed regulation performance, strong overload ability and high efficiency in a wide range of speed regulation. In recent years, the research of switched reluctance motor (SRM) has made remarkable progress, and has been successfully applied in many fields, such as household appliances, electric vehicles, aviation and so on. In this paper, a 5.5kW, three-phase 12 / 8 pole switched reluctance motor is designed. The main work is as follows: the development history of switched reluctance motor speed regulation system, and its operation principle and mathematical model are introduced. The performance characteristics and development trend are described. The main control circuit of switched reluctance motor speed regulation system is introduced. The main control circuit of switched reluctance motor speed control system is introduced. The multifunctional digital signal processor (TMS320F2812) of TI company is used as the main control chip. The peripheral interface circuit, current feedback circuit, position detection circuit and control panel interface circuit are designed. Power conversion circuit provides electric energy and switch function in switched reluctance motor speed regulation system. Its two ends are connected with each phase winding of power supply and motor respectively. Its performance has direct influence on the performance index of switched reluctance motor speed regulation system. In this paper, the design of power conversion circuit and drive circuit of switched reluctance motor speed regulation system is introduced in detail. The asymmetrical half-bridge power conversion main circuit is adopted, the IGBT is selected as the main switch device, and its parameters are calculated and selected. The QP12W05KS-37 driving circuit is chosen as the driver chip, and the IGBT buffer circuit is designed at the same time. Current detection circuit and power supply circuit. The overall frame of the control panel of switched reluctance motor speed control system is developed, including four parts: programmable logic chip, display circuit of digital tube, key control circuit and communication circuit. The core of the control panel, programmable logic chip (EPM7064AETC), is introduced, according to the display principle of digital tube, the display circuit of digital tube is designed and ICM7228A is selected as its driving chip, and several display and drive methods of ICM7228A are described in detail. At the same time, the key control circuit and communication circuit are designed, and the program of the control panel is given according to the modular design. According to the three stages of inspection and preparation, no-load test and load test before operation, the switched reluctance motor speed regulating system was debugged and tested. In the process of field debugging, the problems encountered are solved step by step, and a good test result is finally obtained, and the correctness of the switched reluctance motor speed regulation system designed in this paper is proved at the same time.
【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TM352

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相關(guān)期刊論文 前1條

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本文編號：1803147