IGCT門極維持與邏輯控制電路的設(shè)計(jì)與驗(yàn)證
發(fā)布時(shí)間:2018-06-20 08:38
本文選題:IGCT + 集成 ; 參考:《西安理工大學(xué)》2017年碩士論文
【摘要】:集成門極換流晶閘管(IGCT)是在門極可關(guān)斷晶閘管(GTO)的基礎(chǔ)上發(fā)展而來(lái)的一種新型大功率電力半導(dǎo)體器件,具有高耐壓、低損耗、快速度、硬驅(qū)動(dòng)及無(wú)需緩沖電路等優(yōu)點(diǎn),在中高壓的電力電子裝置中具有很好的應(yīng)用前景。IGCT工作必須借助于集成門極驅(qū)動(dòng)器才能實(shí)現(xiàn)開關(guān),因此門極驅(qū)動(dòng)器的設(shè)計(jì)對(duì)IGCT性能發(fā)揮尤為重要。本文以4kA/4.5kV的IGCT為研究對(duì)象,設(shè)計(jì)了門極驅(qū)動(dòng)器中的維持電路和邏輯控制電路。主要內(nèi)容如下:首先,根據(jù)IGCT導(dǎo)通期間門極驅(qū)動(dòng)電流指標(biāo)要求,設(shè)計(jì)了維持電路,搭建閉環(huán)反饋電路,包括主模塊電路、電流檢測(cè)模塊電路和控制模塊電路。分析了各模塊電路設(shè)計(jì)原理,并采用PSPICE軟件對(duì)各模塊電路及總電路進(jìn)行了仿真,結(jié)果滿足設(shè)計(jì)要求。其次,采用Altium Designer軟件對(duì)維持電路PCB板進(jìn)行了設(shè)計(jì),搭建實(shí)驗(yàn)測(cè)試電路,對(duì)控制模塊電路和維持電路進(jìn)行驗(yàn)證,仿真波形與實(shí)測(cè)波形符合較好。最后,根據(jù)IGCT門極驅(qū)動(dòng)器所需功能,設(shè)計(jì)了邏輯控制電路,包括輸入信號(hào)判斷模塊、主驅(qū)動(dòng)電路模塊和狀態(tài)顯示模塊。針對(duì)各模塊所需實(shí)現(xiàn)的功能,通過(guò)硬件描述語(yǔ)言在QuartusⅡ軟件下進(jìn)行編程,并采用ModelSim軟件進(jìn)行了功能仿真驗(yàn)證,時(shí)序邏輯符合設(shè)計(jì)要求。該研究成果對(duì)IGCT驅(qū)動(dòng)器的設(shè)計(jì)與研發(fā)可以提供一定的參考。
[Abstract]:Integrated gate commutation thyristor (IGCTT) is a new type of high power semiconductor device developed on the basis of gate turn-off thyristor (GTOT). It has the advantages of high voltage, low loss, fast speed, hard drive and no snubber circuit. IGCT has a good application prospect in power electronic devices with medium and high voltage. IGCT has to use integrated gate driver to realize switch, so the design of gate driver is very important to the performance of IGCT. Taking 4 Ka / 4.5 kV IGCT as the research object, the maintenance circuit and logic control circuit of gate driver are designed in this paper. The main contents are as follows: firstly, according to the requirements of gate drive current during IGCT conduction, the maintenance circuit is designed, and the closed-loop feedback circuit is built, including the main module circuit, the current detection module circuit and the control module circuit. The design principle of each module circuit is analyzed, and the simulation of each module circuit and the total circuit is carried out by using PSpice software. The results meet the design requirements. Secondly, the PCB board of maintenance circuit is designed by using Altium designer software. The experimental test circuit is built, and the control module circuit and maintenance circuit are verified. The simulation waveform is in good agreement with the measured waveform. Finally, according to the function of IGCT gate driver, the logic control circuit is designed, including input signal judging module, main driving circuit module and state display module. According to the function of each module, the software Quartus 鈪,
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