Abstract

Microgrids have become increasingly popular in recent years due to technological improvements, growing recognition of their benefits, and diminishing costs. By clustering distributed energy resources, microgrids can effectively integrate renewable energy resources in distribution networks and satisfy end-user demands, thus playing a critical role in transforming the existing power grid to a future smart grid. There are many existing research and review works on microgrids. However, the thermal energy modelling in optimal microgrid management is seldom discussed in the current literature. To address this research gap, this paper presents a detailed review on the thermal energy modelling application on the optimal energy management for microgrids. This review firstly presents microgrid characteristics. Afterwards, the existing thermal energy modeling utilized in microgrids will be discussed, including the application of a combined cooling, heating and power (CCHP) and thermal comfort model to form virtual energy storage systems. Current trial programs of thermal energy modelling for microgrid energy management are analyzed and some challenges and future research directions are discussed at the end. This paper serves as a comprehensive review to the most up-to-date thermal energy modelling applications on microgrid energy management.

Highlights

  • With the emergence of global fossil fuel shortages and environmental issues, renewable energy sources such as wind energy and solar energy have been greatly developing [1,2].Presently, several researchers have examined power and gas network coordination [3].Many options are being studied for grid-scale storage

  • Low cost: The thermal energy storage technology converts solar energy, stores and releases it again, using inexhaustible solar energy or underutilized thermal energy generated in industrial production [24]

  • The impact of global energy consumption has promoted the development of efficient, reliable and sustainable energy technologies, where Thermal Energy Storage (TES) has played a major role in closing the gap between energy supply and energy demand

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Summary

Introduction

With the emergence of global fossil fuel shortages and environmental issues, renewable energy sources such as wind energy and solar energy have been greatly developing [1,2]. The microgrid uses combined cooling, heating and power (CCHP) systems with their heating and cooling network These studies mostly focus on the overall benefits of the system after the application of high-tech thermal storage technology and the application of thermal storage, ignoring the problem of optimal configuration of thermal storage equipment capacity. Reviewed the existing thermal energy modeling for microgrids, including the application of combined cooling, heating and power (CCHP) and thermal comfort model to form virtual energy storage systems.

Thermal Energy Storage System Characteristics
Technical Characteristics Comparison
Economic Analysis of Heat Storage Technology
Application Status of Heat Storage Technology
Development Trend of Heat Storage Technology
CCHP Systems Current Research and Development
Virtual Energy Storage System Current Research and Development
TES Microgrid Energy Management Model
Optimization of TES Microgrid Energy Management
Findings
Conclusions
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