Energy management of hybrid energy storage system (HESS) based on sliding mode control

Liu Fangcheng*, Liu Jinjun, Zhang Bin, Zhang Haodong, Hasan Saad Ul

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contribution

12 Citations (Scopus)

Abstract

The renewable energy has become the research focus in recent years with the environment-friendly characteristic. Integrating energy storage system to the renewable energy system can enhance the stability and reliability of the whole power system. As one of the core technologies, energy management of the hybrid energy storage system attracts more and more attention. Hybrid energy storage system can improve the performance of the storage device with the battery as the main power source and the super capacitor as the auxiliary power source. This paper presents a control strategy based on the DC voltage regulation via sliding mode control that changes the working conditions of battery and super capacitor. When the supercapacitor voltage stays in the working range as designed, it will work as the auxiliary power source to maintain the DC voltage. When the supercapacitor voltage reaches the upper limit or the lower limit, the battery will be controlled to maintain the DC bus voltage, making the super capacitor voltage remain in a proper range. The simulation model is established in MATLAB and simulation results verify the validity of the proposed control method.

Original languageEnglish
Title of host publicationConference Proceedings - 2012 IEEE 7th International Power Electronics and Motion Control Conference - ECCE Asia, IPEMC 2012
Place of PublicationPiscataway, NJ
Pages406-410
Number of pages5
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 IEEE 7th International Power Electronics and Motion Control Conference - ECCE Asia, IPEMC 2012 - Harbin, China
Duration: 2 Jun 20125 Jun 2012

Other

Other2012 IEEE 7th International Power Electronics and Motion Control Conference - ECCE Asia, IPEMC 2012
CountryChina
CityHarbin
Period2/06/125/06/12

Keywords

  • energy management
  • hybrid energy storage
  • sliding mode control

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