连续和不连续导通模式升压PFC变换器的CCM-DCM平均电流控制

2017 IEEE Electrical Power and Energy Conference (EPEC) Pub Date : 2017-10-01 DOI:10.1109/EPEC.2017.8286149

L. Wang, Q. Wu, W. Tang, Z. Y. Yu, W. Ma

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引用次数: 16

摘要

本文提出了一种CCM-DCM平均电流控制(CDAC)控制方法，用于有效控制升压功率因数校正器(pfc)。它能够在连续导通模式(CCM)、混合导通模式(MCM)和不连续导通模式(DCM)下工作。通过估算每个开关周期中电感电流的平均值，CDAC控制方法提高了升压型pfc在宽负载范围，特别是在DCM模式下工作的效率，降低了谐波失真。此外，它在数学和计算上都很简单。通过与传统平均电流控制方法的比较，仿真结果验证了所提出的CDAC控制方法的可行性和性能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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CCM-DCM average current control for both continuous and discontinuous conduction modes boost PFC converters

This paper presents a CCM-DCM average current control (CDAC) control method for effectively controlling boost power factor correctors (PFCs). It is capable of operating in both the continuous conduction mode (CCM), the mixed conduction mode (MCM) and the discontinuous conduction mode (DCM). By estimating the average value of the inductor current in each switching cycle, the CDAC control method efficiency improvements and harmonic distortion reductions in boost PFCs operating over wide load range, especially operating in the DCM mode. Besides, it is mathematically and computationally simple. Compared with the conventional average current control method, simulation results verify the feasibility and performances of the proposed CDAC control method.

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2017 IEEE Electrical Power and Energy Conference (EPEC)

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