Buck型 AC/AC交流變換器的設(shè)計(jì)與實(shí)現(xiàn)
上傳時(shí)間:2010/5/28 18:01:21
摘要:本文詳細(xì)分析了Buck型AC/AC交流變換器的工作原理及其控制策略。通過(guò)對(duì)輸入電壓的極性判斷,并結(jié)合輸出電壓誤差放大信號(hào)與三角載波的比較結(jié)果,可確定各開(kāi)關(guān)管的工作狀態(tài)。對(duì)Buck型AC/AC交流變換器進(jìn)行了仿真研究,并研制了一臺(tái)原理樣機(jī),最后給出了仿真與試驗(yàn)結(jié)果,仿真和試驗(yàn)結(jié)果驗(yàn)證了理論分析的正確性及控制策略的可行性。
敘詞:交流變換器 Buck型 極性判斷 控制策略
Abstract:In this paper, the operation principle and control strategy of Buck type AC/AC converter were analyzed in detail. By recognizing the polarity of input voltage, and comparing the error amplification signal of output voltage with the triangular carrier, the operation state of switches are determined. Buck type AC/AC converter was simulated and a prototype was designed. The simulation results and experimental waveforms verified the correction of the theory analysis and the feasibility of the Buck type AC/AC converter and its control strategy.
Keyword:AC/AC Converter, Buck type , Polarity recognition, Control strategy
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