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Full Balance of Battery Pack in Series/Parallel Connection
|關鍵字:||鋰電池;LiFePO4;電池管理系統;市電並聯;換流器;BMS;on-grid;inverter||出版社:||電機工程學系所||引用:|| Y. S. Lee and M. W. Cheng, “Intelligent control battery equalization for series connected lithium–ion battery strings,” IEEE Transactions on Industrial Electronics, vol. 52, no. 5, pp. 1297–1307, 2005.  Y. S. Lee and G. T. Cheng, “Quasi-Resonant zero-current-switching bidirectional converter for battery equalization applications,” IEEE Transactions on Power Electronics, vol. 21, no. 5, pp. 1213-1224, 2006.  C. H. Kim, Y. D. Kim, G. W. Moon and H. S. Park, “Individual cell voltage equalizer using selective two current paths for series connected li-ion battery strings,” in Proc. Energy Conversion Congress and Exposition (ECCE), pp. 1812 – 1817, 2009.  S. H. Park, T. S. Kim, J. S. Park, G. W. Moon and M. J. Yoon, “A new two-switch flyback battery equalizer with low voltage stress on the switches,” IEEE Energy Conversion Congress and Exposition, pp. 511 – 516, 2009.  Y. C. Hsieh, C. S. Moo, and W. Y. Ou-Yang, “A bi-directional charge equalization circuit for series-connected batteries,” IEEE International Conference on Power Electronics and Drives Systems, pp. 1578-1583, Nov.-Dec. 2005.  C. S. Moo, K. S. Ng and J. S. Hu, “Operation of battery power modules with series output,” IEEE International Conference on Industrial Technology, pp. 1 – 6, 2009.  N. H. Kutkut, H. L. N. Wiegman, D. M. Divan, D. W. Novotny, “Design considerations for charge equalization of an electric vehicle battery system,” IEEE Transactions on Industry Applications, vol. 35, pp. 28-35, 1999.  W. Hong, K. S. Ng, J. H. Hu and C. S. Moo, “Charge equalization of battery power modules in series,” IEEE International Power Electronics Conference (IPEC), pp. 1568-1572, 2010.  昇陽國際半導體， “40138-LFP General Specification，” http://www.psi.com.tw/data_center.asp?set=a.  台灣立凱電能科技股份有限公司， “Comparison of Secondary Batteries，” http://www.aleees.com/en/support/engpp1.pdf.  吳鎮亞，“串並聯電池組之平衡充放電管理，” 國立中興大學電機工程學系，民國一百年七月。  K. S. Ng, C. S. Moo, Y. C. Lin and Y. C. Hsieh, “Investigation on intermittent discharging for lead-acid batteries,” IEEE Power Electronics Specialists Conference, pp. 4683 – 4688, 2008.  王起鑫，“電動機車之鋰電池充電器開發製作，” 國立虎尾科技大學電機工程系，民國九十九年七月。  O. Erdinc, B. Vural, and M. Uzunoglu, “A dynamic lithium-ion battery model considering the effects of temperature and capacity fading,” in Proceedings of the International Conference on Clean Electrical Power (ICCEP’09), pp. 383-386, 2009.  L. Gao, S. Liu and R. A. Dougal, “Dynamic lithium-Ion battery model for system simulation”, IEEE Transactions on Components and Packaging Technologies, vol. 25, no. 3, pp. 495-505, 2002.  M. Chen and G. A. R. Mora, “Accurate electrical battery model capable of predicting runtime and I-V performance”, IEEE Transactions on Energy Conversion, vol. 21, no. 2, pp. 504-511, 2006.  陳柏僑，“數位化多模組太陽光電能轉換系統之研製，” 國立中興大學電機工程學系，民國一百年七月。  M. H. Rashid, Power Electronics Circuits Devices, and Applications, Prentice Hall, 2004.||摘要:||
In recent years, people around the world pay more and more attention to environmental protection. This low-pollution Electric Vehicles become increasingly popular. The Electric Vehicles power source is the LiFePO4 battery pack. In order not to damage the LiFePO4 battery pack lifetime, there must be an efficient battery management system (BMS). A qualified BMS must has self-balance capacity and has the function of battery protection. Therefore, this research proposed BMS with the function described above. This system is with full balance of battery pack in series and parallel connection. Full balance contains discharging, charging, and static balance. The static balance means that battery pack reached voltage balance where is no external power supplied. The system during discharges the BMS not only balance all batteries, it also meet the require of output power. During charge, the BMS can adjust individually charging current based on each battery state. For the static balance mode, where battery with voltage is about to lower the cut-off voltage, the system will make other batteries to charge the battery. It is also to reduce the required time for dynamic balance. The system also can be used in any serial-parallel battery pack which allows multiple batteries discharge and charge simultaneously. The system is equipped with the battery protection function as well.
Since the system output is DC power. This limits its practical applications. A DC to AC voltage connection is also included in this system so that it is able to offer AC voltage directly. This research uses a trigger circuit to sense the mains side of the zero-crossing point. It provides a tracking reference to the inverter output voltage.
|Appears in Collections:||電機工程學系所|
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