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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Boundary Conduction Mode Controlled Power Factor Corrector With Line Voltage Recovery and Total Harmonic Distortion Improvement Techniques
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Boundary Conduction Mode Controlled Power Factor Corrector With Line Voltage Recovery and Total Harmonic Distortion Improvement Techniques

机译：具有线电压恢复和总谐波失真改善技术的边界传导模式控制的功率因数校正

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摘要

The proposed line voltage recovery (LVR) and the total harmonic distortion improvement (THDI) technique improve power factor (PF) and total harmonic distortion (THD) over a wide line voltage range in boundary conduction mode controlled power factor corrector (PFC). The LVR detects the input line root-mean-square voltage to generate the digital equivalent code to the THDI for optimizing the THD by tuning the on-time value at different line voltages. In addition, the LVR and the THDI provide a feedforward path to reduce the ripple of the feedback voltage for further improving the THD. Therefore, the PFC controller can keep high PF and low THD over a wide line voltage. Experimental results demonstrate that the peak PF value is 0.998 and the minimum THD is 1.7% by the test circuit fabricated in a TSMC 800-V ultrahigh-voltage process with the universal line voltage range of 90–264 V.
机译：拟议的线电压恢复（LVR）和总谐波失真改善（THDI）技术可在边界传导模式控制的功率因数校正器（PFC）的较宽的线电压范围内提高功率因数（PF）和总谐波失真（THD）。 LVR检测输入线路的均方根电压，以生成THDI的数字等效代码，以通过调整不同线路电压下的导通时间值来优化THD。另外，LVR和THDI提供了前馈路径，以减少反馈电压的纹波，从而进一步改善了THD。因此，PFC控制器可以在较宽的线路电压下保持高PF和低THD。实验结果表明，采用台积电800-V超高压工艺，通用线路电压范围为90-264 V的测试电路制造的PF峰值为0.998，最小THD为1.7％。

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