The book focuses on the topology and modulation of non-isolated and isolated high-power DC/DC converters. Firstly, two non-isolated soft-switching resonant step-up structures are proposed. Secondly, the auxiliary-and-main-currents-diversion idea is introduced to significantly reduce the switching loss of the converter, based on which a series of isolated ZCS resonant converters is proposed. Thirdly, the transformer magnetic flux density of isolated resonant converter is totally studied and an asymmetric pulse frequency modulation is proposed to avoid the transformer saturation problem. Finally, three different types of ±35k V/500k W DC grid-connected converters are successfully demonstrated in Zhangbei Renewable Energy Base of China.
Cuprins
Introduction.- Resonant switched-capacitor step-up DC/DC converter.- LC parallel resonant step-up DC/DC converter.- Auxiliary-and-main-currents-diversion (AMCD) ZCS full-bridge converter.- AMCD ZCS full-bridge resonant converter.- AMCD ZCS DC/DC converter with low votlage stress.- High-power high-voltage discontinuos current mode LC series converter.- ±35 k V/500 k W PV DC grid-connected modular IPOS converter.- ±35 k V/500 k W PV DC grid-connected high frequency resonant converter.- ±35 k V/500 k W PV DC grid-connected medium frequency converter.
Despre autor
Wu CHEN (IET Fellow) was born in Jiangsu, China, in 1981. He received the B.S., M.S., and Ph.D. degrees in electrical engineering from the Nanjing University of Aeronautics and Astronautics (NUAA), Nanjing, China, in 2003, 2006, and 2009, respectively. From 2009 to 2010, he was a Senior Research Assistant with the Department of Electronic Engineering, City University of Hong Kong, Hong Kong. In 2010 and 2011, he was a Postdoctoral Researcher with Future Electric Energy Delivery and Management Systems Center, North Carolina State University, Raleigh. Since September 2011, he has been an Associate Research Fellow with the School of Electrical Engineering, Southeast University, Nanjing, China, where he has been a Professor since 2016. His main research interests include soft-switching converters, power delivery, and power electronic system integration. Dr. Chen is an Associate Editor for IEEE Transactions on Industrial Electronics, IEEE Journal of Emerging and Selected Topics in Power Electronics, Journal of Power Electronics, and CPSS Transactions on Power Electronics and Applications.
Guangfu NING (IEEE Member’ 21) was born in Jiangxi, China, in 1992. He received the B.S. and Ph.D. degrees in electrical engineering from the University of Shanghai for Science and Technology (USST), Shanghai, and Southeast University (SEU), Nanjing, in 2014 and 2020, respectively. From 2020, he has been a lecturer with the School of Automation, Central South University, Changsha, China. His research interests include the full bridge converters, soft-switching technique and high-power high-voltage DC/DC converters in MVDC collection systems.
Fang Liu, Ph D in engineering, an associate professor at Hefei University of Technology, IEEE senior member, a visiting scholar at the University of Wisconsin-Madison in 2011-2012 and a software engineer at Emerson Network Power (Xi’an) Co., Ltd in 2008-2009.
Her research focuses on industry-academia cooperation and application in renewable energy power system control and stability, advanced power conversion technologies for renewable energy generation and high power bi-directional wireless power transfer technology. As the principal investigator, She has gained one National Natural Science Foundation of China, one sub-project of National Key Research and Development Plan, one sub-project of Science and Technology Project of SGCC (State Grid Corporation of China), and many other government-sponsored and commercial projects. Furthermore, she has won one Second Prize of National Science and Technology Progress Award, two Provincial First Prize of Science and Technology Progress Awards, one First Prize of State Grid Corporation Science and Technology Progress, one First Prize of Science and Technology Progress of China Electric Power Research Institute, and one High Impact Paper Award in Proceeding of CSEE. Up to now, she has granted more than 20 invention patents, published more than 20 SCI/EI high-level papers, and co-edited a book named New Energy Generation and Converter Technology.
Defeng Xin was born in Shaanxi, China, in 1987. He received the B.S. and M.S. degrees from the University of Xi’an Jiaotong University. His research includes the DC/DC converters in Xuji Power Electronics Technology.
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