【正文】 .............................................6 可逆調(diào)速系統(tǒng)的原理 .................................................................................................6 環(huán)流的介紹 ................................................................................................................7 環(huán)流的定義 ......................................................................................................7 環(huán)流的分類 ......................................................................................................7 錯(cuò)位控制無環(huán)流系統(tǒng) ................................................................................................7 靜態(tài)環(huán)流的錯(cuò)位消除原理 ...............................................................................7 錯(cuò)位控制無環(huán)流系統(tǒng)的結(jié)構(gòu) ..........................................................................8 錯(cuò)位控制無環(huán)流系統(tǒng)的優(yōu)缺點(diǎn) ......................................................................9 3 主電路的參數(shù)計(jì)算與保護(hù)設(shè)計(jì) ........................................................................................10 主電路設(shè)計(jì)及參數(shù)的選擇 .......................................................................................10 主電路設(shè)計(jì) .....................................................................................................10 晶閘管的選擇 ................................................................................................10 電抗的選擇 .................................................................................................... 11 同步變壓器及觸發(fā)器的設(shè)計(jì) .................................................................................. 11 觸發(fā)電路的設(shè) 計(jì) ............................................................................................. 11 同步變壓器的設(shè)計(jì) ........................................................................................12 整流變壓器的計(jì)算與選擇 .............................................................................13 4 利用 工程設(shè)計(jì) 法設(shè)計(jì) 三閉環(huán)錯(cuò)位無環(huán)流調(diào)速 系統(tǒng) ........................................................15 各器件的參數(shù)選擇 ..................................................................................................15 設(shè)計(jì)指標(biāo) ..................................................................................................................16 工程設(shè)計(jì)方法的基本思路 ......................................................................................16 AVR 電壓內(nèi)環(huán)的設(shè)計(jì) ..............................................................................................17 AVR 的模型簡化 及參數(shù)計(jì)算 .........................................................................17 電壓環(huán)校驗(yàn)近似條件 ....................................................................................19 電壓環(huán)的動(dòng)態(tài)性能指標(biāo) ................................................................................19 電流調(diào)節(jié)器的設(shè)計(jì) ..................................................................................................20 電流環(huán)動(dòng)態(tài)結(jié)構(gòu)圖的簡化 ............................................................................20 確定電流環(huán)的時(shí)間常數(shù) ................................................................................21 電流調(diào)節(jié)器結(jié)構(gòu)的選擇 ................................................................................21 電流調(diào)節(jié)器參數(shù)的計(jì)算 ................................................................................22 遼寧石油化工大學(xué)畢業(yè)設(shè)計(jì)（論文）用紙 VI 電流環(huán)校驗(yàn)近似條件 ....................................................................................23 電流環(huán)的動(dòng)態(tài)性能指標(biāo) ................................................................................23 轉(zhuǎn)速調(diào)節(jié)器的設(shè)計(jì) ..................................................................................................24 電流環(huán)的等效閉環(huán)傳遞函數(shù) .........................................................................24 轉(zhuǎn)速環(huán)的動(dòng)態(tài)結(jié)構(gòu)圖及其近似處理 ............................................................24 轉(zhuǎn)速調(diào)節(jié)器結(jié)構(gòu)的選擇 ................................................................................25 轉(zhuǎn)速調(diào)解器參數(shù)的計(jì)算 ................................................................................26 轉(zhuǎn)速環(huán)的性能指標(biāo) ........................................................................................28 系統(tǒng)的靜態(tài)綜合及靜態(tài)性能指標(biāo) ...........................................................................29 5 保護(hù)電路設(shè)計(jì) ....................................................................................................................33 過電流保護(hù) ...............................................................................................................33 自動(dòng)開關(guān)保護(hù) ................................................................................................33 快速熔斷器保護(hù) ............................................................................................33 過電壓保護(hù) ...............................................................................................................33 交流側(cè)過電壓保護(hù) .........................................................................................34 直流側(cè)過電壓保護(hù) ........................................................................................35 晶閘管關(guān)斷過電壓保護(hù) ..........................................................................................37 6 錯(cuò)位無環(huán)流直流可逆調(diào)速系統(tǒng)的仿真 ............................................................................38 錯(cuò)位無環(huán)流直流可逆調(diào)速系統(tǒng)的建模 ...................................................................38 系統(tǒng)模型參數(shù)的配置及模型的封裝 ......................................................................39 主電路模塊的建模和參數(shù)配置 ....................................................................39 移相控制器觸發(fā)器的封裝 .............................................................................40 同步電源與 6 脈沖觸發(fā)器的封裝 .................................................................40 錯(cuò)位無環(huán)流直流可逆調(diào)速系統(tǒng)整流橋的建模與封裝 .................................41 三環(huán)錯(cuò)位 無環(huán)流直流可逆調(diào)速系統(tǒng)仿真實(shí)例及分析 ...........................................42 系統(tǒng)主要環(huán)節(jié)的仿真參數(shù) .............................................................................42 仿真分析 .........................................................................................................43 7 結(jié)束語 ....................................