[1] Xu Qingshan, Bian Haihong, Zhao Weiran,. EDLC charging performance for microgrid applications [J]. Journal of Southeast University (English Edition), 2010, 26 (3): 415-420. [doi:10.3969/j.issn.1003-7985.2010.03.009]

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EDLC charging performance for microgrid applications()

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

26

Issue:

2010 3

Page:

415-420

Research Field:

Electrical Engineering

Publishing date:

2010-09-30

Info

Title:

EDLC charging performance for microgrid applications

Author(s):

Xu Qingshan;  Bian Haihong;  Zhao Weiran

Engineering Research Center of Motion Control of Ministry of Education, Southeast University, Nanjing 210096, China

Keywords:

electric double layer capacitor(EDLC);  energy storage;  charge evaluation;  numerical calculation;  trade-off

PACS:

TM53

DOI:

10.3969/j.issn.1003-7985.2010.03.009

Abstract:

In order to review storage performance of the electric double layer capacitor(EDLC)in microgrid applications, charging time and storage efficiency issues are mainly studied aiming at three different charging modes, including the constant voltage charging mode(CVCM), the constant current charging mode(CCCM)and the constant power charging mode(CPCM), based on the practical EDLC product. Numerical calculation methods are presented for different charging modes, and the charging efficiency is also reviewed with strict mathematical deductions, which is validated to be accurate enough and applicable through a simple case with the PV/EDLC system illustration. Finally, trade-off problems between charging time and energy loss are also studied. Research results show that the CPCM is more suitable for microgrid networks compared with the traditional constant-voltage and constant-current charging modes. The hybrid charging method is recommended to save energy and keep high efficiency relatively at the same time. However, how to manage the combination percentage of different charging modes in a reasonable way should be dealt with according to the practical requirements.

References:

[1] Mutoh N, Inoue T. A controlling method for charging photovoltaic generation power obtained by a MPPT control method to series connected ultra-electric double layer capacitors [C]//Proceedings of the 39th Annual Meeting of IEEE Industry Application Society. Seattle, WA, USA, 2004:2264-2271.
[2] Mishima T, Ohnishi T. Experimental evaluation of the EDLC based power compensator for a partially shaded PV array [C]//Proceedings of the IEEE IECON. Roanoke, VA, 2003: 1308-1313.
[3] Seita K, Takano I, Nishikawa H, et al. A study of operation characteristics of UPFC type dispersed power supply system with FC, PV and EDLC by improved EMAP model [C]//Proceedings of the IEEE Power System Conference and Exposition. New York, USA, 2004:289-294.
[4] Kinjo T, Senjyu T, Urasaki N, et al. Output leveling of renewable energy by electric double-layer capacitor applied for energy storage system [J]. IEEE Transactions on Energy Conversion, 2006, 21(1): 221-227.
[5] Zubieta L, Bonert R. Characterization of double-layer capacitors for power electronics applications [J]. IEEE Transactions on Industry Application, 2000, 36(1): 199-205.
[6] Spyker R L, Nelms R M. Analysis of double-layer capacitors supplying constant power loads [J]. IEEE Transactions on Aerospace and Electronic Systems, 2000, 36(4): 1439-1443.
[7] Mutoh N, Inoue T. A control method to charge series-connected ultraelectric double-layer capacitors suitable for photovoltaic generation systems combining MPPT control method [J]. IEEE Transactions on Industrial Electronics, 2007, 54(1): 374-383.
[8] Sugimoto S, Ogawa S, Katsukawa H, et al. Study on series-parallel changeover circuit of capacitor bank for energy storage system utilizing electric double-layer capacitors [J]. Transactions of IEEJ, 2002, 122-B(5): 607-615.(in Japanese)
[9] Gao Lijun, Dougal R A, Liu Shengyi. Power enhancement of an actively controlled battery/ultracapacitor hybrid [J]. IEEE Transactions on Power Electronics, 2005, 20(1): 236-243.
[10] Spyker R L, Nelms R M. Classical equivalent circuit parameters for a double-layer capacitor [J]. IEEE Transactions on Aerospace and Electronic Systems, 2000, 36(3): 829-836.
[11] Bohlen O, Kowal J, Sauer D U. Ageing behavior of electrochemical double layer capacitors [J]. Journal of Power Sources, 2007, 172(1): 468-475.

Memo

Memo:

Biography: Xu Qingshan(1979—), male, doctor, associate professor, xuqingshan@seu.edu.cn.
Foundation items: The National Natural Science Foundation of China(No. 50907010), Ph.D. Programs Foundation of Ministry of Education of China(No.20070286047), Scientific Innovation Foundation for Youngsters of CSEE.
Citation: Xu Qingshan, Bian Haihong, Zhao Weiran. EDLC charging performance for microgrid applications[J].Journal of Southeast University(English Edition), 2010, 26(3):415-420.

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