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Minimum DC-Link Capacitance for Single-Phase Applications With Power Factor Correction
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DOI：10.1109/TIE.2019.2922925.png)
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摘要
En 中文
This letter presents the calculation of the minimum dc-link capacitance in power factor correction single-phase systems employing hysteretic current-mode control for low total harmonic distortion. The proposed design can be applied to the cascade connection of converters in which the source converter can be modeled as a loss-free resistor and the load converter can be characterized as a constant power load. The value of the minimum capacitance is obtained as a function of voltage and frequency of the mains, maximum power transferred to the load converter, and desired dc-link voltage. The resulting capacitance is ten times smaller than the one obtained by the conventional design. The theoretical predictions are verified by means of simulations and experiments.
Keyword:
AC-DC power conversion
dc-link capacitance reduction
hysteretic current-mode controller
loss-free resistor (LFR)
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7.2
论文数:
1.8W
被引数:
9.8W
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