全橋高頻鏈逆變電源的混合控制策略研究
作者：王丹 賀明智 游小杰 上傳時(shí)間：2009/5/26 16:54:43
摘要：對于全橋高頻鏈逆變器的控制，本文提出一種混合式正弦脈沖脈位調(diào)制控制策略，高頻變壓器傳遞SPWM波，根據(jù)對輸出電壓與電流進(jìn)行過零比較與邏輯組合，得到周波變換器高頻和低頻混合驅(qū)動脈沖。介紹了全橋高頻鏈逆變器的工作原理，并應(yīng)用MATLAB仿真軟件對電路進(jìn)行控制算法的仿真，同時(shí)制作了容量為200VA的實(shí)驗(yàn)樣機(jī)，仿真和實(shí)驗(yàn)結(jié)果驗(yàn)證了所提控制方案的可行性與正確性。
敘詞：全橋高頻鏈逆變器 正弦脈沖脈位控制 仿真
Abstract：A novel control strategy called hybrid sinusoidal pulse width phase modulation is proposed in this paper according to the control of full bridge high-frequency link inverter. SPWM wave is transmitted by the high-frequency transformer while the driving logic of the cycloconverter switches is determined by the zero comparison and logical combination of the output voltage and output current. So the driving signals of the cycloconverter switches are combined with low frequency pluses and high frequency ones. The operation principle of the full bridge high-frequency link inverter is analyzed and it is verified by the simulation results of 200VA prototype. Both of the results prove that hybrid control strategy is correct.
Keyword：Full bridge high-frequency link inverter, Sinusoidal pulse width phase modulation, Simulation
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－－本文摘自《電源世界》，已被閱讀2176次
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