High-Voltage-Gain DC-DC Converter with Three-Winding Coupled Inductor*

Chinese Journal of Electrical Engineering ›› 2019, Vol. 5 ›› Issue (1): 11-23.

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High-Voltage-Gain DC-DC Converter with Three-Winding Coupled Inductor^*

Wenjuan Liang, Xuefeng Hu, Hao Chen^*, Guiyang Wu, Meng Zhang, Guodong Tan

School of Electrical Engineering, Anhui University of Technology, Ma’anshan, 243032 China

Online:2019-01-20 Published:2019-01-20
About author:Wenjuan Liang was born in Anhui Province, China, in 1993. She received her B.S. degree in Electrical Engineering from Anhui University of Technology, Ma’anshan, China, in 2017, where she is presently working towards her M.S. degree. Her current research interests include power electronics, DC-DC power conversion, the modeling and control of converters, and renewable power generation.
Xuefeng Hu was born in Jiangsu Province, China. He received his M.S. degree in Electronic Engineering from the China University of Mining and Technology, Xuzhou, China, in 2001; and his Ph.D. degree in Electrical Engineering from the Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing, China, in 2014. He is presently working as a Professor in the Anhui Key Laboratory of Power Electronics and Motion Control Technology, College of Electronic Engineering, Anhui University of Technology, Ma’anshan, China. He is the author or coauthor of more than 30 technical papers. His current research interests include renewable energy systems, DC-DC power conversion, the modeling and control of converters, flexible AC transmission systems and distributed power systems.
Hao Chen was born in Anhui Province, China, in 1991. He received his B.S. degree from Hefei Normal University, Hefei, China, in 2015. He is presently working towards his M.S. degree in the College of Electrical Engineering, Anhui University of Technology, Ma’anshan, China. His current research interests include power electronics, DC-DC power conversion, the modeling and control of converters, and renewable power generation.
Guiyang Wu was born in Anhui, China, in 1991. He received the B.S. degree from the Industrial & Commercial College, Anhui University of Technology, Ma’anshan, China, in 2015, he is currently working toward the M.S. degree at the College of electrical engineering, Anhui University of Technology, Ma’anshan, China. His current research interests include power electronics, DC-DC power conversion.
Meng Zhang was born in Anhui, China, in 1993. She received the B.S. degree from the Jilin jianzhu University, Changchun, China, in 2016, she is currently working toward the M.S. degree at the College of electrical engineering, Anhui University of Technology, Ma’anshan, China. Her current research interests include power electronics and solar and wind power generation.
Guodong Tan was born in Anhui Province, China, in 1992. He received his B.S. degree in Electrical Engineering from Anhui University of Technology, Ma’anshan, China, in 2017, where he is presently working towards his M.S. degree. His current research interests include power electronics, DC-AC power conversion, the modeling and control of converters and solar and wind power generation.

Abstract

Abstract: A novel DC-DC converter topology that uses a three-winding coupled inductor (TWCI) and a new voltage- multiplication technique is presented for achieving high voltage gain. The proposed converter comprises one boost unit, one passive absorption circuit, and two voltage-multiplier cells. The tertiary winding of the coupled inductor is connected to a capacitor and diode, and this combination acts as a secondary voltage-multiplier cell (SVMC). The SVMC, when combined with two capacitors, the secondary winding of the coupled inductor, a diode, and a switch, forms a primary voltage-multiplier cell, which can achieve a large voltage-conversion ratio that can be adjusted easily. The new voltage-multiplier technique can be used to decrease the number of capacitors and diodes, which improves the transformation efficiency. A prototype circuit with a nominal rating of 300 W is designed to verify the correctness of theoretical analysis.

Key words: Three-winding coupled inductor, voltage multiplier, output diode stress, high step-up

Wenjuan Liang, Xuefeng Hu, Hao Chen, Guiyang Wu, Meng Zhang, Guodong Tan. High-Voltage-Gain DC-DC Converter with Three-Winding Coupled Inductor^*[J]. Chinese Journal of Electrical Engineering, 2019, 5(1): 11-23.

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High-Voltage-Gain DC-DC Converter with Three-Winding Coupled Inductor^*

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