基于plc與變頻器的交流電機(jī)調(diào)速控制系統(tǒng)(已修改)
2025-08-18 19:03 本頁(yè)面
【正文】 目錄摘 要 ..........................................................................................................IAbstract.........................................................................................................II1 緒論 ...........................................................................................................1 PLC和變頻器控制交流電機(jī)的調(diào)速的發(fā)展與現(xiàn)狀 ............................1 PLC和變頻器控制交流調(diào)速的目的 ....................................................22 PROFIBUS 的通訊原理 ............................................................................3 RS485傳輸技術(shù) ....................................................................................33 變頻器與可編程控制器 ...........................................................................3 變頻器原理介紹 ...................................................................................3 交流電機(jī)的運(yùn)行理論 ...........................................................................4 可編程控制器 .......................................................................................4 變頻器 ...................................................................................................54 系統(tǒng)的設(shè)計(jì) ...............................................................................................5 系統(tǒng)設(shè)計(jì)原理和方法 ...........................................................................5 STEP軟件簡(jiǎn)介 ......................................................................................6 PLC程序設(shè)計(jì) ........................................................................................6 PI網(wǎng)絡(luò)設(shè)置 ..........................................................................................75 結(jié)論 .........................................................................................................10致 謝 .......................................................................................................12參考文獻(xiàn) .....................................................................................................13附錄 程序 ...................................................................................................14I摘 要隨著電力電子技術(shù)、計(jì)算機(jī)技術(shù)、自動(dòng)控制技術(shù)的迅速發(fā)展，交流調(diào)速取代直流調(diào)速和計(jì)算機(jī)數(shù)字控制技術(shù)取代模擬控制技術(shù)已成為發(fā)展趨勢(shì)。電機(jī)交流變頻調(diào)速技術(shù)是當(dāng)今節(jié)電、改善工藝流程以提高產(chǎn)品質(zhì)量和改善環(huán)境、推動(dòng)技術(shù)進(jìn)步的一種主要手段。變頻調(diào)速以其優(yōu)異的調(diào)速和起制動(dòng)性能，高效率、高功率因數(shù)和節(jié)間效果,廣泛的適用范圍及其它許多優(yōu)點(diǎn)而被國(guó)內(nèi)外公認(rèn)為最有發(fā)展前途的調(diào)速方式。本文所研究的交流電機(jī)調(diào)速系統(tǒng)采用 PLC來(lái)控制變頻器調(diào)速，充分發(fā)揮可編程控制器的高可靠性、靈活性、通用性、擴(kuò)展性等優(yōu)點(diǎn)，通過(guò) PLC的開(kāi)關(guān)量輸入輸出模塊控制變頻器的多功能輸入端、實(shí)現(xiàn)電機(jī)的多級(jí)調(diào)速，期間并通過(guò) RS485傳輸技術(shù)建立 PLC與變頻器的 PROFIBUSPDP通訊進(jìn)而完成 PLC控制變頻器調(diào)速系統(tǒng)的方案設(shè)計(jì)和全部的控制系統(tǒng)設(shè)計(jì)。關(guān)鍵詞：變頻器；可編程控制器；PROFIBUSPDP 通訊IIABSTRACTWith the power electronics technology，puter technology， the rapid development of automatic control technology，replace the DCAC Drive Speed and puter numerical control technology to replace the analog control technology has bee a trend。AC variable frequency motor speed control technology is the power to improve the process in order to improve product quality and improving the environment and promoting tec
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