| Mechanical and Electrical Engineering |
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| Zero voltage and zero current buck converter with soft switching using coupled inductor |
| LUO Ci yong1, WEI Xin xin1,2, WANG Wei yao1, NAN Hang1 |
| 1. College of Electrical Engineering, Chongqing University, Chongqing 400044, China;2. Jiangsu Electric Power Maintenance Branch Company Suzhou Division, Suzhou 215131, China |
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Abstract A novel zero voltage and zero current buck converter with soft switching was proposed using the coupled inductor instead of the filter inductor. The detailed theory analysis of the converter’s each operation stages was conducted. The conditions of obtaining soft switching and the designing procedure of main circuit were presented. The performances of the proposed buck converter with different turn radios were discussed. The new circuit was analyzed by simulation. The theoretical and simulation results illustrate that all power switches can achieve soft switching in the new circuit. A 50 kHz buck converter prototype of 48 V input, 32 V output with soft switching based on coupled inductor was constructed. The experimental results accorded with the theoretical and simulation results. The correctness of the theory and design of the converter was validated, and the measured maximum efficiency reached 96.5%.
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Published: 01 April 2016
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基于耦合电感的零电压零电流软开关Buck变换器
采用耦合电感替代滤波电感的方式,提出新的零电压零电流软开关Buck变换器.对该变换器工作过程的各个模态进行详细的理论分析.给出软开关实现的条件及主电路的参数设计方法,讨论耦合电感匝数比改变对该变换器性能的影响.对新电路进行仿真研究,理论和仿真结果表明,新电路中所有开关器件都实现了软开关.试制一台48 V输入、32 V输出,开关频率为50 kHz的基于耦合电感的软开关Buck变换器样机.实验结果与理论和仿真结果一致,验证了该变换器理论和设计的正确性,实验测得最大效率达到96.5%.
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| ［1］ EMRANI A, FARZANEHFARD H.Zero current switching resonant buck converters with small inductors ［J］.IET Power Electronics, 2012, 6(5)：710-718.
［2］ 顾亦磊,陈世杰,吕征宇,等.单开关DC/DC变换器的一种软开关实现策略［J］.中国电机工程学报,2004,24(11)： 130-133.
GU Yi lei,CHEN Shi jie,LV Zheng yu,et al.Strategy for single switch dc/dc converters to achieve soft switching ［J］.Proceedings of the CSEE,2004,24(11)：130-133.
［3］ 顾亦磊,陈世杰,吕征宇,等.控制型软开关变换器的实现策略［J］.中国电机工程学报,2005,25(6)： 55-59.
GU Yi lei,CHEN Shi jie,LV Zheng yu,et al.Strategy for control type soft switching converters ［J］.Proceedings of the CSEE,2005,25(6)： 55-59.
［4］ CHUANG Ying chun. High efficiency ZCS buck converter for rechargeable batteries ［J］.IEEE Transactions on Industrial Electronics,2010,7(57)： 2463-2472.
［5］ 张卫平,张晓强,陈振更,等.一种新型软开关BUCK变换器［J］.中国电机工程学报,2007,27(22)： 110-115.
ZHANG Wei ping,ZHANG Xiao qiang,CHEN Zhen geng,et al.A novel soft switching for Buck converter ［J］.Proceedings of the CSEE,2007,27(22)： 110-115.
［6］ 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 Shao jun.A novel ZCS PWM buck converter with lower voltage stress ［J］.Proceedings of the CSEE, 2008, 28(6)： 55-61.
［7］ AMINI M R,FARZANEHFARD H.Switched resonator DC/DC converter with a single switch and small inductors ［J］.IET Power Electronics, 2013, 6(7)：1331-1339.
［8］ 胡宗波,张波,邓卫华,等.新型ZVZCT PWM直流变换器族的研究［J］.电工技术学报,2003,18(6)： 12-18.
HU Zong bo,ZHANG Bo,DENG Wei hua,et al.Study on novel ZVZCT PWM DC DC converter family ［J］.Transactions of China Electrotechnical Society, 2003,18(6)： 12-18.
［9］ 贾贵玺,张春雁,肖有文,等.新型Buck软开关电路的设计与仿真［J］.电工技术学报,2012,27(2)： 33-37.
JIA Gui xi,ZHANG Chun yan,XIAO You wen,et al.Design and simulation of a new type of Buck soft switching circuit ［J］.Transactions of China Electrotechnical Society, 2012, 27(2)： 33-37.
［10］ YAO Y, XU S, LU S, et al. Zero steady state error compensation method in application of peak current mode buck converter with fast transient response ［J］.IET Power Electronics,2015,8(5)： 647-655.
［11］ URGUN S.Zero voltage transition zero current transition pulsewidth modulation DC DC buck converter with zero voltage switching zero current switching auxiliary circuit ［J］.IET Power Electronics, 2012, 5(5)： 627-634.
［12］ 杨玉岗,李龙华,冯本成.三相交错并联变换器中耦合电感的对称化［J］.电工技术学报,2013, 28(7)：177-183.
YANG Yu gang,LI Long hua,FENG ben cheng.Symmetry of coupling inductance in 3 phase interleaving converter ［J］.Transactions of China Electrotechnical Society, 2013, 28(7)： 177-183.
［13］ HYUN LARK D. Zero voltage switching synchronous buck converter with a coupled inductor ［J］.IEEE Transactions on Industrial Electronics,2011,8(58)： 3440-3447.
［14］ BERKOVICH Y,AXELROD B.Switched coupledinductor cell for DC DC converters with very large conversion ratio ［J］.IET Power Electronics,2011, 3(4)： 309-315.
［15］ JIANG Lei, MI C C, LI Si qi,et al.Animproved soft switching buck converter with coupled inductor ［J］.IEEE Transactions on Power Electronics, 2013,11(28)： 4885-4891.
［16］ GU Yu, ZHANG Dong lai.Voltage regulator buck converter with a tapped inductor for fast transientresponse application ［J］.IEEE Transactions on Power Electronics, 2014, 29(12)： 6249-6254.
［17］ 王兆安,刘进军.电力电子技术［M］.5版. 北京：机械工业出版社,2011; 186-190. |
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