Three-Port Series-Resonant DC/DC Converter for Automotive Charging Applications

被引:11
作者
Schaefer, Jannik [1 ]
Kolar, Johann Walter [1 ]
机构
[1] Swiss Fed Inst Technol, Power Elect Syst Lab PES, CH-8092 Zurich, Switzerland
关键词
electric vehicle; resonant converter; auxiliary charger; DC-DC CONVERTER;
D O I
10.3390/electronics10202543
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In the energy distribution grid of electric vehicles (EVs), multiple different voltage potentials need to be interconnected, to allow arbitrary power flow between the various energy sources and the different electrical loads. However, between the different potentials, galvanic isolation is absolutely necessary, either due to safety reasons and/or due to different grounding schemes. This paper presents an isolated three-port DC/DC converter topology, which, in combination with an upstream PFC rectifier, can be used as combined EV charger for interconnecting the single-phase AC mains, the high-voltage (HV) battery and the low-voltage (LV) bus in EVs. The proposed topology comprises two synergetically controlled and magnetically coupled converter parts, namely, a series-resonant converter between the PFC-sided DC-link capacitor and the HV battery, as well as a phase-shifted full-bridge circuit equivalent in the LV port, and is mainly characterized by simplicity in terms of control and circuit complexity. For this converter, a simple soft switching modulation scheme is proposed and comprehensively analyzed, in consideration of all parasitic components of a real converter implementation. Based on this analysis, the design of a 3.6 kW, 500 V/500 V/15 V prototype is discussed, striving for the highest possible power density and as low as possible manufacturing costs, by using PCB-integrated windings for all magnetic components. The hardware demonstrator achieves a measured full-load efficiency in charge mode of 96.5% for nominal operating conditions and a power density of 16.4 kW/L.
引用
收藏
页数:26
相关论文
共 20 条
[11]   Optimal Design and Tradeoff Analysis of Planar Transformer in High-Power DC-DC Converters [J].
Ouyang, Ziwei ;
Thomsen, Ole C. ;
Andersen, Michael A. E. .
IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2012, 59 (07) :2800-2810
[12]  
Ouyang ZW, 2009, INT C POWER ELECT DR, P1091
[13]   Novel Highly Efficient/Compact Automotive PCB Winding Inductors Based on the Compensating Air-Gap Fringing Field Concept [J].
Schafer, Jannik ;
Bortis, Dominik ;
Kolar, Johann W. .
IEEE TRANSACTIONS ON POWER ELECTRONICS, 2020, 35 (09) :9617-9631
[14]   High Power Density Bidirectional Three-port DC-DC Converter for Battery Applications in DC microgrids [J].
Sim, Juyoung ;
Lee, Junyoung ;
Choi, Hyunjun ;
Jung, Jee-Hoon .
2019 10TH INTERNATIONAL CONFERENCE ON POWER ELECTRONICS AND ECCE ASIA (ICPE 2019 - ECCE ASIA), 2019,
[15]   Three-port triple-half-bridge bidirectional converter with zero-voltage switching [J].
Tao, Haimin ;
Duarte, Jorge L. ;
Hendrix, Marcel A. M. .
IEEE TRANSACTIONS ON POWER ELECTRONICS, 2008, 23 (02) :782-792
[16]   Novel High-Efficiency Three-Port Bidirectional Step-Up/Step-Down DC-DC Converter for Photovoltaic Systems [J].
Wu, Yu-En ;
Hsiao, Shiu-Liang .
SUSTAINABILITY, 2021, 13 (14)
[17]  
Yan-Kim Tran, 2019, CPSS Transactions on Power Electronics and Applications, V4, P171, DOI 10.24295/CPSSTPEA.2019.00017
[18]   Leakage Inductance Calculation for Planar Transformers With a Magnetic Shunt [J].
Zhang, Jun ;
Ouyang, Ziwei ;
Duffy, Maeve C. ;
Andersen, Michael A. E. ;
Hurley, William Gerard .
IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, 2014, 50 (06) :4107-4112
[19]  
Zhang J, 2013, APPL POWER ELECT CO, P1683, DOI 10.1109/APEC.2013.6520523
[20]   An Isolated Three-Port Biodirectional DC-DC Converter With Decoupled Power Flow Management [J].
Zhao, Chuanhong ;
Round, Simon D. ;
Kolar, Johann W. .
IEEE TRANSACTIONS ON POWER ELECTRONICS, 2008, 23 (05) :2443-2453