A Study of Super-Capacitors Charge Efficiency

Abstract:

In this article, the arithmetic model of super-capacitors in photovoltaic system and more charge modes, especially constant power charge mode, was studied. A numerical way of calculating the charge efficiency was introduced. The maximum charge efficiency of super-capacitors when its output voltage raises from zero to the rated voltage under constant power charge mode was presented. The multi-stage charge efficiency curves was retrieved, which indicates that the constant power charging mode is more suitable. The constant power control charge strategy using two-stage Buck-Boost converter to charge super-capacitors was proposed. The simulation results show that this strategy effectively ensure the performance of the system.

• Periodical: Applied Mechanics and Materials (Volumes 427-429)
• Pages: 778-782
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.427-429.778
• Online since: September 2013
• Authors: Jin Long Zhang*, Deng Hua Li, Jing Min Gao, Zhi Zhong Wu
• Keywords: Charge Efficiency, Maximum Power Point Track, Photovoltaic (PV) System, Super-Capacitor (SC)

References

[1] Brunelli D, Moser C, Thiele L, Benini L. Design of a Solar-Harvesting Circuit for Batteryless Embedded Systems[J]. IEEE Transactions on Circuits and Systems I: Regular Papers, 2009, 56(11): 2519-2528.

DOI: 10.1109/tcsi.2009.2015690

[2] Glavin E, Chan W, Armstrong S, Hurley G. A stand-alone photovoltaic super-capacitors battery hybrid energy storage system[C]. EPE-PEMC 2008, 2008: 1688-1695.

DOI: 10.1109/epepemc.2008.4635510

[3] Hyo-Ryong Seo, Gyeong-Hun Kim, Sang-Yong Kim, et al. Power quality control strategy for grid-connected renewable energy sources using PV array and super-capacitors[C]. ICEMS 2010, 2010: 437-411.

DOI: 10.1109/icems12746.2007.4412095

[4] Chad Abbey, Géza Joos. Super-capacitors Energy Storage for Wind Energy Applications[J]. IEEE Transactions on Industrial Applications, 2007, 43(3): 769-776.

DOI: 10.1109/tia.2007.895768

[5] Haihua Zhou, Bhattacharya T, Duong Tran, et al. Composite Energy Storage System Involving Battery and Ultracapacitor With Dynamic Energy Management in Microgrid Applications[J]. IEEE Transactions on Power Electronics, 2011, 26(3): 923-930.

DOI: 10.1109/tpel.2010.2095040

[6] Jisung Lee, Sangkwon Jeong, Young Hee Han, et al. Concept of Cold Energy Storage for Superconducting Flywheel Energy Storage System[J]. 2011, 21(3): 2221-2224.

DOI: 10.1109/tasc.2010.2094177

[7] Chiang, S.J., Hsin-Jang Shieh, Ming-Chieh Chen. Residential Photovoltaic Energy Storage system[J]. IEEE Transactions on Industrial Electronics, 1998, 56(11): 385-394.

DOI: 10.1109/tie.2008.2005144

[8] Carrasco J M, Franquelo L G, Bialasiewicz J T, et al. Power-electronic systems for the grid integration of renewable energy sources: a survey [J]. IEEE Transactions on Industrial Electronics, 2006, 53(4): 1002-1016.

DOI: 10.1109/tie.2006.878356

[9] Kim Younghyun, Chang Naehyuck, Wang Yanzhi, et al. Maximum power transfer tracking for a photovoltaic-super-capacitors energy system[C]. IEEE ISLPED 2010, 2010: 307-312.