Browse > Article
http://dx.doi.org/10.6113/TKPE.2015.20.1.11

Development of 3kW Hybrid ESS with Function of Emergency Power Supply  

Yang, Seok-Hyun (Dept. of Electrical & Information Eng., Seoul Nat'l Univ. of Science and Technology)
Kim, Min-Jae (Dept. of New Energy Eng., Seoul Nat'l Univ. of Science and Technology)
Choi, Se-Wan (Dept. of Electrical & Information Eng., Seoul Nat'l Univ. of Science and Technology)
Cho, Jun-Seok (EESYS Co. Ltd.)
Publication Information
The Transactions of the Korean Institute of Power Electronics / v.20, no.1, 2015 , pp. 11-18 More about this Journal
Abstract
This paper proposes a high-efficiency 3-kW hybrid ESS with emergency power supply. The proposed system enables efficient use of power from photovoltaic (PV) cells and energy storage system (ESS). The proposed system can operate as an uninterruptible power supply (UPS) when grid fault occurs, providing seamless transfer from grid-connected mode to stand-alone mode. The LLC converter for PV achieves ZVS turn-on of switches and ZCS turn-off of diodes, and the isolated bidirectional DC-DC converter for ESS achieves ZCS turn-off regardless of load condition, resulting in high efficiency. The efficiency and performance of the proposed hybrid ESS has been verified by a 3-kW prototype.
Keywords
ESS(Energy Storage System); UPS(Uninterruptible Power Supply); Seamless transfer; Resonant converter; ZVS; ZCS;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
1 F. Blaabjerg, F. Iov, T. Kerekes, R. Teodorescu, "Trends in power electronics and control of renewable energy systems," in 14th International Power Electronics and Motion Control Conference (EPE/PEMC), pp. 1-19, 2010.
2 H. Yan, Z. Zhou, H. Lu, "Photovoltaic industry and market investigation," IEEE Sustainable Power Generation and Supply, 2009.
3 S. Chiang, K. Chang, and C. Yen, "Residential photovoltaic energy storage system," IEEE Industrial Electronics, Vol. 45, No. 3, pp. 385-394, June 1998.   DOI
4 D. Wang, F. Z. Peng, "Smart gateway grid: A DG-based residential electric power supply system," IEEE Transactions on Smart Grid, Vol 3, No 4, pp. 2232-2239, Dec. 2012.   DOI
5 A. Emadi, A. Nasiri, and S. B. Bekiarov, Uninterruptible Power Supplies and Active Filters. Boca Raton, FL: CRC Press, Oct. 2004.
6 G. Q. Shen, D. H. Xu, and X. M. Yuan, "A novel seamless transfer control strategy based on voltage amplitude regulation for utility-interconnected fuel cell inverters with an LCL-filter," in Proc. IEEE Power Electron. Spec. Conf., pp. 1-6, Jun. 2006.
7 Y. A.-R. I. Mohamed and A. Radwan, "Hierarchical control system for robust micro-grid operation and seamless mode-transfer in active distribution systems," IEEE Trans. Smart Grid, Vol. 2, No. 2, pp. 352-362, Jun. 2011.   DOI
8 W. Zhang, D. Xu, X. Li, R. Xie, H. Li, D. Dong, C. Sun, and M. Chen, "Seamless transfer control strategy for fuel cell uninterruptible power supply system," IEEE Trans. Power Electron., Vol. 28, No. 2, pp. 717-729, Feb. 2013.   DOI   ScienceOn
9 W. Zhang, D. Xu, X. Li, R. Xie, H. Li, D. Dong, C. Sun, and M. Chen, "Seamless transfer control strategy for fuel cell uninterruptible power supply system," IEEE Trans. Power Electron., Vol. 28, No. 2, pp. 717-729, Feb. 2013.   DOI   ScienceOn
10 H. Hu, S. Harb, J. Shen, and I. Batarseh, "A review of power decoupling techniques for microinverters with three different decoupling capacitor locations in PV systems," IEEE Trans. Power Electron., Vol. 28, No. 6, pp. 2711-2726, Jun. 2013.   DOI
11 G. Ivensky, S. Bronshtein, and A. Abramovitz, "Approximate analysis of resonant LLC dc-dc converter," IEEE Trans. Power Electron., Vol. 26, No. 11, pp. 3274-3284, Nov. 2011.   DOI
12 Yingli Solar Datasheet of PV module YL230P-29b
13 J. Park, M. Kwon, and S. Choi, "Design and control of a bi-directional resonant DC-DC converter for automotive engine/battery hybrid power generators," IEEE Trans. Power Electron., Vol. 29, No. 7, pp. 3748-3757, Jul. 2014.   DOI
14 M. Liserre, F. Blaabjerg, S. Hansen, "Design and control of an LCL-filter-based three-phase active rectifier," IEEE Transactions on Industry Applications, Vol. 41, No. 5, pp. 1281-1291, Sep./Oct. 2005.   DOI
15 S. Jung and S. Choi. "Optimized LCL filter design method of utility interactive inverter," Transactions of the Korean Institute of Power Electronics, Vol. 18, No. 1, pp. 103-109, Feb. 2013.   과학기술학회마을   DOI