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采用开关周期最优利用率控制的电流断续模式升压功率因数校正变换器 被引量:3

DCM Boost PFC Converter with Optimum Utilization Control of Switching Cycles
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摘要 提出一种新的开关周期最优利用率控制,与定占空比控制相比,增大了临界电感值,降低了主功率器件电流峰值及有效值,提高了变换效率,同时也减小了输出电压纹波或输出储能电容。制作了120 W的原理样机,并进行了实验,实验结果验证了理论分析的正确性。 An optimum utilization control of switching cycles is proposed in this paper. The efficiency is improved as the critical inductance can be increased and the peak and rms current value of the main power electronics device is therefore decreased. The proposed method also diminishes the output voltage ripple or the energy storage of the output storage capacitor. The experimental results of a 120 W prototype are given to verify the effectiveness of the proposed method.
出处 《电工技术学报》 EI CSCD 北大核心 2015年第17期13-25,共13页 Transactions of China Electrotechnical Society
基金 国家自然科学基金(51307085) 江苏省自然科学基金(BK2012400) 江苏省产学研联合创新-前瞻性联合研究(BY2013004-03 BY2013004-01 BY2013004-04) 中国博士后科学基金(2012M521087) 江苏省博士后科学基金(1202068C) 江苏省科技支撑计划(BE2013125) 南京理工大学"卓越计划‘紫金之星’"资助项目
关键词 临界电感值 开关周期 最优利用率 效率 Critical inductance switching cycles optimum utilization efficiency
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