Hybrid energy storage retrofit for standalone photovoltaic-battery residential energy system

Wenlong Jing, Derrick K. X. Ling, Chean Hung Lai, Wallace S. H. Wong, M. L. Dennis Wong

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

4 Citations (Scopus)

Abstract

The standalone Photovoltaic (PV)-based energy system for off-grid communities requires intermediate energy storage devices to supply/absorb the intermittently power from PV generation and balance the mismatch in generation and load consumption. Battery energy storage have been one of the major components that increase the operating cost of the standalone PV-battery energy system due to the accelerated failure caused by the unstable charge/discharge processes. This paper proposes a retrofittable supercapacitor module for existing standalone PV-battery energy system to mitigate the charge/discharge stresses in battery by removing the severely fluctuating current exchange. Based on local solar irradiance and estimated load data in Sarawak, Malaysia, Matlab/Simulink model was developed to study the effectiveness of the proposed system in mitigating battery stresses. The proposed SC module prototype was implemented and tested with actual PV-battery energy system. Both simulation and experimental results show significant reduction in battery current fluctuation which suggests improvement in battery cycle life.

Original languageEnglish
Title of host publication2017 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia)
PublisherIEEE
ISBN (Electronic)9781538649503
DOIs
Publication statusPublished - 11 Jun 2018

Publication series

NameIEEE Innovative Smart Grid Technologies - Asia
PublisherIEEE
ISSN (Electronic)2378-8542

Keywords

  • Battery
  • Cycle life
  • Hybrid energy storage system
  • Photovoltaic
  • Standalone
  • Supercapacitor

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Control and Optimization
  • Safety, Risk, Reliability and Quality

Fingerprint Dive into the research topics of 'Hybrid energy storage retrofit for standalone photovoltaic-battery residential energy system'. Together they form a unique fingerprint.

  • Cite this

    Jing, W., Ling, D. K. X., Lai, C. H., Wong, W. S. H., & Wong, M. L. D. (2018). Hybrid energy storage retrofit for standalone photovoltaic-battery residential energy system. In 2017 IEEE Innovative Smart Grid Technologies - Asia (ISGT-Asia) [8378395] (IEEE Innovative Smart Grid Technologies - Asia). IEEE. https://doi.org/10.1109/ISGT-Asia.2017.8378395