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A Soft-Switched DC/DC Converter Using Integrated Dual Half-Bridge with High Voltage Gain and Low Voltage Stress for DC Microgrid Applications
Open AccessArticle

A Novel Single-Stage Tandem Soft-Switching Converter with Low Input Current Distortion

by Jianming Xu 1, Bo Qian 1 and Muhammad Humayun 2,*,†
1
State Grid Changzhou Power Supply Company, Changzhou 213022, China
2
Department of Automation, School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
*
Author to whom correspondence should be addressed.
Current address: Department of Automation, School of Electronics Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dong Chuan Road, Shanghai 200240, China.
Inventions 2018, 3(4), 70; https://doi.org/10.3390/inventions3040070
Received: 25 September 2018 / Revised: 11 October 2018 / Accepted: 13 October 2018 / Published: 17 October 2018
(This article belongs to the Special Issue Emerging Technologies Enabling Smart Grid)
In order to improve the power factor and reduce the input current harmonics, power factor correction (PFC) converters are utilized. This paper introduces a single-stage continuous conduction mode (CCM) soft-switched power factor correction (PFC) converter with a tandem topology. The proposed topology has two operating modes, namely resonant operation mode and boost operation mode. Such a design and control realizes the zero-voltage switching (ZVS) and zero current switching (ZCS) of the power switches. The proposed topology has been introduced to reduce the total harmonic distortion (THD) of the input current further in the boost PFC converter under lower power and higher output voltage conditions. The simulation and experimental results are presented to verify the effectiveness of the performance of the proposed design and its control. View Full-Text
Keywords: tandem; resonant; boost; power factor control (PFC); total harmonics distortion (THD) tandem; resonant; boost; power factor control (PFC); total harmonics distortion (THD)
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Xu, J.; Qian, B.; Humayun, M. A Novel Single-Stage Tandem Soft-Switching Converter with Low Input Current Distortion. Inventions 2018, 3, 70.

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