全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

隔离式双向全桥DC-DC变换器的功率控制特性比较与分析

, PP. 179-187

Keywords: 双向全桥DC-DC变换器,串联谐振,软开关,基波分析法,电压增益

Full-Text   Cite this paper   Add to My Lib

Abstract:

针对非谐振和谐振式带隔离的双向全桥DC-DC变换器的不同特点,推导了这两种DC-DC变换器功率传输的统一表达式,该功率表达式可以统一描述这两种不同拓扑的功率传输特性。针对隔离式双向全桥DC-DC变换器的开关器件在高频工况下的强迫开通/关断方式,带来较大的开关损耗,造成变换器效率下降的问题,本文以一种带隔离的LC谐振式DC-DC变换器为研究对象,提出了一种移相控制的DC-DC变换器控制策略,在该策略下,DC-DC变换器的功率器件能够实现零电压开通,并且通过谐振减小了功率器件的关断损耗,从而提高了系统的效率。仿真和实验结果验证了文中所提出控制策略的有效性。

References

[1]  Zhang Mingrui, Liu Jinhui, Jin Xin. Research on the FREEDM micro-grid and its relay protection[J]. Power System Protection and Control, 2011, 39(7): 95-99.
[2]  Li Li, Liu Gang. Development of bi-directional DC-DC converter in multiple battery energy storage system[J]. Power System Protection and Control, 2011, 39(3): 90-94.
[3]  刘海波, 毛承雄, 陆继明, 等. 电子电力变压器储能系统及其最优控制[J]. 电工技术学报, 2010, 25(3): 54-60.
[4]  Demetriades G D, Nee H P. Small-signal analysis of the half-bridge soft-swithing uni-directional converter employing extended state-space averaging[C]. Power Electronics Specialists Conference, Rhodes, Greece, 2008: 385-391.
[5]  Demetriades G D, Nee H P. Characterization of the dual-active bridge topology for high-power applications employing a duty-cycle modulation[C]. Power Electronics Specialists Conference, Rhodes, Greece, 2008: 2791-2798.
[6]  Robert Lenke, Florian Mura, Rik W De Doncker. Comparison of non-resonant and super-resonant dual-active ZVS-operated high-power DC-DC converters[C]. Power Electronics and Applications, Barcelona, Spain, 2009: 1-10.
[7]  王春芳, 徐勤超. 变频微波炉电源用LLC谐振变换器[J]. 电工技术学报, 2012, 27(6): 103-109.
[8]  Wang Chunfang, Xu Qinchao. Study of LLC resonant converter for variable-frequence microwave oven power supply[J]. Transactions of China Electrote- chnical Society, 2012, 27(6): 103-109.
[9]  郭珂, 曾意, 刘强, 等. LCL 滤波器在具有有源滤波功能的光伏并网系统中的应用[J]. 电力系统保护与控制, 2013, 41(3): 73-79.
[10]  张明锐, 刘金辉, 金鑫. FREEDM 微型电网及其继电保护研究[J]. 电力系统保护与控制, 2011, 39(7): 95-99.
[11]  李立, 刘刚. 多电池组储能系统双向 DC-DC变换器的研制[J]. 电力系统保护与控制, 2011, 39(3): 90-94.
[12]  杜春水, 张承慧, 陈阿莲, 等. 光伏高效软开关DC-DC变换器的数字化控制与实现[J]. 电工技术学报, 2011, 26(8): 57-63.
[13]  Du Chunshui, Zhang Chenghui, Chen Alian, et al. Digital control and implementation of photovoltaic soft-switching DC-DC converter with high-frequency step-up transformer isolation[J]. Transactions of China Electrotechnical Society, 2011, 26(8): 57-63.
[14]  Liu Haibo, Mao Chengxiong, Lu Jiming, et al. Energy storage system of electronic power transformer and its optimal control[J]. Transactions of China Electrotechnical Society, 2010, 25(3): 54-60.
[15]  Bai Hua, Nie Ziling, Chris C M. Experimental comparison of traditional phase-shift, dual-phase-shift, and model-based control of isolated bidirectional DC-DC converters[J]. IEEE Transactions on Power Electronics, 2010, 25(6): 1444-1449.
[16]  Oggier G G, Gar´cia G O, Oliva A R. Switching control strategy to minimize dual active bridge converter losses[J]. IEEE Transactions on Power Electronics, 2009, 24(7): 1826-1838.
[17]  Ortiz G, Biela J, Bortis D, et al. 1 megawatt, 20 kHz, isolated, bidirectional 12kV to 1. 2kV DC-DC converter for renewable energy applications[C]. Power Electronics Conference, Singapore, 2010: 3212-3219.
[18]  Li Xiaodong, Ashoka K S Bhat. Analysis and design of high-frequency isolated dual-bridge series resonant DC-DC converter[J]. IEEE Transactions on Power Electronics, 2010, 25(4): 850-862.
[19]  武琳, 张燕枝, 李子欣, 等. 一种隔离式双向全桥DC/DC变换器的控制策略[J]. 电机与控制学报, 2012, 16(12): 21-27.
[20]  Wu Lin, Zhang Yanzhi, Li Zixin, et al. A control strategy of isolated bidirectional full bridge DC/DC converter[J]. Electric Machines and Control, 2012, 16(12): 21-27.
[21]  Li Xiaodong, Ashoka K S Bhat. AC equivalent circuit analysis for high-frequency isolated dual-bridge series resonant DC-DC converter[C]. Power Electronics Specialists Conference, Greece, 2008: 238-244.
[22]  Guo Ke, Zeng Yi, Liu Qiang, et al. Application of LCL-filter in photovol taic grid-connected system with active power filter function[J]. Power System Protection and Control. 2013, 41(3): 73-79.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133