畢業(yè)設(shè)計(jì)-三相異步電動(dòng)機(jī)變頻調(diào)速的原理及其仿真(已修改)
2025-12-12 19:26 本頁面
【正文】 目錄 摘 要 ..............................................................................................................I Abstract ............................................................................................................. II 1 概述 ................................................................................................................ 1 電機(jī)概述 ...................................................................................................... 2 變頻器概述 .................................................................................................. 2 三相異步電動(dòng)機(jī)變頻調(diào)速原理及其種類 ................................................... 3 2 三相異步電動(dòng)機(jī)變頻調(diào)速仿真模型 ............................................................. 5 問題提出及分析 ......................................................................................... 5 SIMULINK 仿真模型 .................................................................................. 6 未變頻時(shí) 仿真結(jié)果 ..................................................................................... 8 變頻時(shí)仿真結(jié)果（基頻以下調(diào)速） .......................................................... 8 變頻時(shí)仿真結(jié)果（基頻以上調(diào)速） .......................................................... 9 變極調(diào)速 ................................................................................................... 10 調(diào)壓調(diào)速 ................................................................................................... 11 ............................................................................... 12 參考文獻(xiàn) .......................................................................................................... 14 致 謝 ........................................................................................................... 15 I 摘 要 由于變頻運(yùn)行下三相異步電動(dòng)機(jī)調(diào)速系統(tǒng)具有節(jié)能的重要優(yōu)點(diǎn) ,已在國內(nèi)外工業(yè)生產(chǎn)和日常生活許多領(lǐng)域得到越來越廣泛地應(yīng)用。目前在變頻調(diào)速系統(tǒng)中 ,隨著電力電子技術(shù)及變頻調(diào)速技術(shù)的迅速發(fā)展 ,交流調(diào)速技術(shù)日新月異，新的控制策略不斷涌現(xiàn)，這也使得交流調(diào)速開始全面取代直流調(diào)速。在交流調(diào)速技術(shù)中，交流變頻調(diào)速以其優(yōu)異的調(diào)速性能，高效節(jié)能和廣泛的應(yīng)用范圍等特點(diǎn)而被國內(nèi) 外人為是最有前途的調(diào)速方式 。 關(guān)鍵詞 ： 變頻 ； 三相異步電動(dòng)機(jī)；調(diào)速 II ABSTRACT With the important merit of saving energy for the timing system of threephase induction motor under the supply of frequency converter, it has been widely used in more and more fields. Now, with the rapid development of power electronics and frequencyconversion technology of adjusting speed of AC induction electromotor changes quickly and new control method appears ceaselessly. DC electromotor by th
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