ZCS-PWM Superbuck Converter with Reduced Electric Stress for Electric Vehicle DC Charging Spot in Large Parking Lot
Qin Ling1,2, Kong Xiaoxiao1, Mao Jingfeng1, Xie Shaojun2, Hu Mao1
1.School of Electrical Engineering Nantong University Nantong 226019 China 2.College of Automation Engineering Nanjing University of Aeronautics & Astronautics Nanjing 210016 China
Abstract：This paper presents a novel electric vehicle (EV) charging facility—DC charging spot—in large parking lot and a zero-current-switching (ZCS) pulse-width-modulated (PWM) Superbuck converter with reduced electric stress suitable for the output stage.In the paper,the operation principles have been thoroughly analyzed and the condition of the soft switching and the electric stress of the power electronics devices are obtained.Then,the steady-state and dynamic character can be estimated by the state-space averaging approach.Finally,a charger prototype rated l.8 kW/80 kHz is constructed for a 320 V/50 A·h Lithium-iron-phosphate battery pack.The simulation and experimental results show that the proposed DC charging spot has the advantages of low harmonic pollution,high efficiency,long lifetime,low cost and ease of bulk construction.
秦岭, 孔笑笑, 茅靖峰, 谢少军, 胡茂. 大型停车场电动汽车直流充电桩用低电应力ZCS-PWM Superbuck变换器[J]. 电工技术学报, 2015, 30(23): 32-41.
Qin Ling, Kong Xiaoxiao, Mao Jingfeng, Xie Shaojun, Hu Mao. ZCS-PWM Superbuck Converter with Reduced Electric Stress for Electric Vehicle DC Charging Spot in Large Parking Lot. Transactions of China Electrotechnical Society, 2015, 30(23): 32-41.
[1] 张谦,韩维健,俞集辉,等.电动汽车充电站仿真模型及其对电网谐波影响[J].电工技术学报,2012,27(2):159-164. Zhang Qian,Han Weijian,Yu Jihui,et al.Simulation model of electric vehicle charging station and the harmonic analysis on power grid[J].Transactions of China Electrotechnical Society,2012,27(2):159-164. [2] 陈征,刘念,路欣怡,等.考虑换电储备的电动汽车光伏换电站动态功率分配方法[J].电工技术学报,2014,29(4):306-315. Chen Zheng,Liu Nian,Lu Xinyi,et al.Dynamic power distribution method of PV-based battery switch stations considering battery reservation[J].Transactions of China Electrotechnical Society,2014,29(4):306-315. [3] Long Lam,Bauer Pavol.Practical capacity fading model for Li-Ion battery cells in electric vehicles[J].IEEE Transactions on Power Electronics,2013,28(12):5910-5918. [4] 张允,陆佳政,李波.利用有源滤波功能的新型电动汽车交流充电桩[J].高电压技术,2011,37(1):150-156. Zhang Yun,Lu Jiazheng,Li Bo.New electric vehicle AC charge spots using active power filter[J].High Voltage Engineering,2011,37(1):150-156. [5] 徐顺刚,王金平,许建平.一种延长电动汽车蓄电池寿命的均衡充电控制策略[J].中国电机工程学报,2012,32(3):43-48. Xu Shungang,Wang Jinping,Xu Jianping.An equalizing charge control strategy to extend battery cycle life for electric vehicles[J].Proceedings of the CSEE,2012,32(3):43-48. [6] Kuperman A,Levy U,Goren J,et al.Battery charger for electric vehicle traction battery switch station[J].IEEE Transactions on Industrial Electronics,2013,60(12):5391-5399. [7] Deng Junjun,Li Siqi,Hu Sideng,et al.Design methodology of LLC resonant converters for electric vehicle battery chargers[J].IEEE Transransactions on Vehicular Technology,2014,63(4):1581-1592. [8] Jia Pengyu,Zheng T Q,Li Yan.Parameter design of damping networks for the Superbuck converter[J].IEEE Transactions on Power Electronics,2013,28(8):3845-3859. [9] Mishima T,Miyake S,Nakaoka M.A feasibility study of ZCS-PWM Boost DC-DC converters with auxiliary lossless active edge-resonant cell[C].31st International Telecommunications Energy Conference,Incheon,2009:1-5. [10]肖华锋,刘隰蒲,兰科.一种零电流转换 H6 结构非隔离光伏并网逆变器[J].中国电机工程学报,2014,34(1):32-39. Xiao Huafeng,Liu Xipu,Lan Ke.Zero-current-transition H6 type transformerless PV grid-connected inverters[J].Proceedings of the CSEE,2014,34(1):32-39. [11]秦岭,张航,王亚芳,等.基于新型箝位电路的低电压应力零电流开关半桥PWM变换器[J].中国电机工程学报,2008,28(24):25-30. Qin Ling,Zhang Hang,Wang Yafang,et al.A ZCS-PWM half-bridge converter with lower voltage stress based on a novel clamp branch circuit[J].Proceedings of the CSEE,2008,28(24):25-30. [12]Chuang Y C.High-efficiency ZCS Buck converter for rechargeable batteries[J].IEEE Transactions on Industrial Electronics,2010,57(7):2463-2472. [13]Adib E,Farzanehfard H.Analysis and design of a zero-current switching forward converter with simple auxiliary circuit[J].IEEE Transactions on Power Electronics,2012,27(1):144-150. [14]Mishima T,Nakaoka M.A practical ZCS-PWM Boost dc-dc converter with clamping diode-assisted active edge-resonant cell and its extended topologies[J].IEEE Transactions on Industrial Electronics,2013,60(6):2225-2236. [15]秦岭,张航,谢少军.低电压应力零电流开关降压变换器[J].中国电机工程学报,2008,28(6):55-61. Qin Ling,Zhang Hang,Xie Shaojun.A novel ZCS-PWM buck converter with lower voltage stress[J].Proceedings of the CSEE,2008,28(6):55-61. [16]Rezvanyvardom M,Adib E,Farzanehfard H.New interleaved zero-current switching pulse-width modulation boost converter with one auxiliary switch[J].IET Power Electronics,2011,4(9):979-983. [17]Akn Burak.An improved ZVT-ZCT PWM DC-DC Boost converter with increased efficiency[J].IEEE Transactions on Power Electronics,2014,29(4):1919-1926. [18]Dias E C,Freitas L C G,Coelho E A A,et al.Novel true zero current turn-on and turn-off converter family:analysis and experimental results[J].IET Power Electronics,2010,3(1):33-42. [19]Qin Ling,Wang Yafang,Gu Juping,et al.A novel family of ZCS-PWM converters minimizing additional conduction loss[C].International Conference on Electrical Machines and Systems,Wuhan,2008:1716-1720. [20]Wang Chien-Ming,Hsu Shih-Yung,Lin Chang-Hua,et al.A ZCS-PWM interleaved Boost DC/DC converter[C].2013 IEEE Region 10 Conference,Xi’an,2013:1-4. [21]罗全明,闫欢,支树播,等.一种交错控制高增益ZCT Boost变换器[J].中国电机工程学报,2013,33(12):18-23. Luo Quanming,Yan Huan,Zhi Shubo,et al.An interleaved high step-up zero-current-transition boost converter[J].Proceedings of the CSEE,2013,33(12):18-23.
2015, Vol. 30 
