| Citation: | DU Qing, CUI Bo, XIA Ning, et al. A novel high-power step-up/step-down converter and control methods[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(3): 472-480. doi: 10.13700/j.bh.1001-5965.2016.0225(in Chinese)
|
Two-switch cascade converter is the most appropriate solution for efficient high-power applications among the existing converter topologies. However, the cascade structure and the nonlinear dc gain of Boost circuit are more likely to cause severe oscillations if the criterion for the selection of the operation mode is chosen improperly during step-up/step-down transition. A novel high-power IPOSBHB converter was proposed. The circuit structure and basic relations were analyzed. And the open-loop small-signal model of Buck mode and Boost mode was established. The carrier wave parallel-shifting combinational control method was designed. The inconformity of the transfer functions, the discontinuity caused by duty cycle and the disturbance of input voltage were analyzed and the methods for compensation were also proposed. The carrier wave parallel-shifting combinational control strategy and the compensation methods proposed were easy to be carried out to achieve effective control at steady state and achieve smooth transition at step-up/step-down mode change, and also reduce the adverse effect caused by the disturbance of input voltage. A 15 kW prototype is used to validate the proposed theory.
| [1] |
SAHU B, RINCON-MORA G A.A low voltage, dynamic, noninverting, synchronous buck-boost converter for portable applications[J].IEEE Transactions on Power Electronics, 2004, 19(2):443-452. doi: 10.1109/TPEL.2003.823196
|
| [2] |
CHAKRABORTY A, KHALIGH A, EMADI A.Combination of buck and boost modes to minimize transients in the output of a positive buck-boost converter[C]//IECON 2006-32nd Annual Conference on IEEE Industrial Electronics.Piscataway, NJ:IEEE Press, 2006:4075-4080.
|
| [3] |
任小永, 阮新波, 李明秋, 等.双沿调制的四开关Buck-Boost变换器[J].中国电机工程学报, 2009, 29(12):16-23. http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC200912002.htm
REN X Y, RUAN X B, LI M Q, et al.Dual edge modulated four-switch Buck-Boost converter[J].Proceedings of the CSEE, 2009, 29(12):16-23(in Chinese). http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC200912002.htm
|
| [4] |
任小永, 唐钊, 阮新波, 等.一种新颖的四开关Buck-Boost变换器[J].中国电机工程学报, 2008, 28(21):15-19. http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC200821004.htm
REN X Y, TANG Z, RUAN X B, et al.A novel four switch Buck-Boost converter[J].Proceedings of the CSEE, 2008, 28(21):15-19(in Chinese). http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC200821004.htm
|
| [5] |
罗明玲. 微小卫星电源系统MPPT模块的设计与实现[D]. 杭州: 浙江大学, 2014.
LUO M L.Design and implement on MPPT module of micro-satellite power system[D].Hangzhou:Zhejiang University, 2014(in Chinese).
|
| [6] |
FERNANDEZ RANDYLL R M JR.A novel photovoltaic power converter for military and space applications[D].Monterey:Naval Postgraduate School, 2015.
|
| [7] |
QIAO H B, ZHANG Y C, YAO Y T, et al.Analysis of Buck-Boost converters for fuel cell electric vehicles[C]//ICVES 2006.Piscataway, NJ:IEEE Press, 2006:109-113.
|
| [8] |
肖华锋, 谢少军.用于光伏并网的交错型双管Buck-Boost变换器[J].中国电机工程学报, 2010, 30(21):7-12. http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC201021003.htm
XIAO H F, XIE S J.An interleaving double-switch Buck-Boost converter for PV grid-connected inverter[J].Proceedings of the CSEE, 2010, 30(21):7-12(in Chinese). http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC201021003.htm
|
| [9] |
NAKANISHI F, IKEGAMI T, EBIHARA K, et al.Modeling and operation of a 10 kW photovoltaic power generator using equivalent electric circuit method[C]//Photovoltaic Specialists Conference.Piscataway, NJ:IEEE Press, 2000:1703-1706.
|
| [10] |
ZUE A O, CHANDRA A.Simulation and stability analysis of a 100 kW grid connected LCL photovoltaic inverter for industry[C]//Power Engineering Society General Meeting.Piscataway, NJ:IEEE Press, 2006:1-6.
|
| [11] |
LEE Y J, KHALIGH A, EMADI A.A compensation technique for smooth transitions in non-inverting Buck-Boost converter[C]//IEEE Applied Power Electronics Conference & Exposition.Piscataway, NJ:IEEE Press, 2009:608-614.
|
| [12] |
CHOMSUWAN K, PRISUWANNA P, MONYAKUL V.Photovoltaic grid-connected inverter using two-switch Buck-Boost converter[C]//Photovoltaic Specialists Conference.Piscataway, NJ:IEEE Press, 2002:1527-1530.
|
| [13] |
GABORIAULT M, NOTMAN A.A high efficiency, non-inverting, Buck-Boost DC-DC converter[C]//Proceedings of 19th Annual IEEE Applied Power Electronics Conference and Exposition.Piscataway, NJ:IEEE Press, 2004:1411-1415.
|
| [14] |
LEE Y J, KHALIGH A, CHAKRABORTY A, et al.Digital combination of Buck and Boost converters to control a positive Buck-Boost converter and improve the output transients[J].IEEE Transactions on Power Electronics, 2009, 24(5-6):1267-1279. https://www.researchgate.net/publication/224437362_Digital_Combination_of_Buck_and_Boost_Converters_to_Control_a_Positive_Buck-Boost_Converter_and_Improve_the_Output_Transients
|
| [15] |
YAO C, RUAN X B, CAO W, et al.A two-mode control scheme with input voltage feed-forward for the two-switch Buck-Boost DC-DC converter[J].IEEE Transactions on Power Electronics, 2014, 29(4):2037-2048. doi: 10.1109/TPEL.2013.2270014
|
| [16] |
杜青, 齐铂金, 张涛, 等.一种新型大功率输入并联输出串联Buck半桥变换器[J].中国电机工程学报, 2012, 32(6):47-55. http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC201206007.htm
DU Q, QI B J, ZHANG T, et al.A novel high-power input-parallel output-series Buck-halfbridge converter[J].Proceedings of the CSEE, 2012, 32(6):47-55(in Chinese). http://www.cnki.com.cn/Article/CJFDTOTAL-ZGDC201206007.htm
|
| [17] |
FENG W, QI B J, WANG Y P, et al.High power DC-DC converter for renewable energy power system[C]//2014 IEEE Conference and Exposition on Transportation Electrification Asia-Pacific (ITEC Asia-Pacific).Piscataway, NJ:IEEE Press, 2014:1-4.
|
Figures(19) / Tables(1)
Copyright © Journal of Beijing University of Aeronautics and Astronautics
Address: Editorial Department of Journal of Beijing University of Aeronautics and Astronautics, 37 Xueyuan Road, Haidian District, Beijing Post Code: 100191 Email: jbuaa@buaa.edu.cn
Supported by:
Beijing Renhe Information Technology Co., Ltd.
DownLoad:
