A Novel Thermal Energy Storage System in Smart Building Based on Phase Change Material

Fanrong Wei, Yuanzheng Li*, Quan Sui, Xiangning Lin, Le Chen, Zhe Chen, Zhengtian Li

*Corresponding author

Research output: Contribution to journalJournal articleResearchpeer-review

20 Citations (Scopus)
55 Downloads (Pure)

Abstract

This paper presents a novel phase change material based thermal energy storage system (PCMTESS) that is suitable for smart building energy management, together with its corresponding thermal-electric combined two-stage dispatching strategy. Benefiting from the phase change materials' thermal characteristic of absorbing or releasing a significant amount of heat at a constant temperature, this thermal energy storage system is endowed with a high capacity and a relatively stable thermal state during its charge/discharge process. To evaluate the thermal performance of the PCMTESS, which is integrated as a part of building wallboard, a detailed analytic thermodynamic building model is proposed that considers the influence of the forced air convection and the external environments, such as solar radiation. Furthermore, a two-stage electric-thermal combined dispatching scheme is designed to minimize the electricity consumption expenditure and power fluctuation on the premise of maintaining a comfortable indoor temperature. Simulation studies on a smart building indicate that the proposed thermal energy storage system is a feasible and economical solution for solving peak load shaving and power fluctuation.
Original languageEnglish
Article number8306893
JournalIEEE Transactions on Smart Grid
Volume10
Issue number3
Pages (from-to)2846-2857
Number of pages12
ISSN1949-3053
DOIs
Publication statusPublished - May 2019

Keywords

  • Analytic building model
  • Electric-thermal combined dispatching
  • Phase change material
  • Thermal energy storage system

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