Journal of Applied Science and Engineering

Published by Tamkang University Press

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Stochastic Operation of Multi-Carrier Microgrid Leveraging Dynamic

 2025

 Volume 28, Issue 4

Yejun He1, Lei Shi2, and Zhongren Chen1

1School of mechanical and electrical engineering, Zhongshan Polytechnics, Zhongshan 528400, Guangdong, China

2Huangpu Wenchong Shipbuilding Co., Ltd.,CSSC, Guangzhou 510000, Guangdong, China

Received: June 26, 2023
Accepted: April 18, 2024
Publication Date: April 3, 2026

上傳圖片

profiles of the thermal/electrical loads in MCMG

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

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A microgrid is a smaller-scale power system that helps integrate distributed energy generation and maximize demand-side management utilization. This article analyzes the economic dispatch of a typical multi-carrier microgrid with price-responsive loads in an uncertain environment. Integrating multiple energy infrastructures under the multi-carrier microgrid is shown as an energy hub. This paper proposes a novel price-responsive load that integrates the final price of energy of demanded loads for multiple carriers with energy market price, site generations, and energy purchase. Also, the proposed price-responsive method is analyzed on two different DRP models to verify the model’s effectiveness. The proposed multi-carrier microgrid is investigated considering the uncertainties in thermal and electrical loads, solar generations, and the electricity market. Previous investigations have optimized energy consumption from an infrastructure perspective without considering interactions. However, this study takes into account the interaction between energy system infrastructures in the presence of distributed energy generation and responsive loads. A series of simulations are conducted using GAMS to develop a model for a connected microgrid that incorporates electricity, district heat networks, and natural gas to supply multiple energy demands. Results show that the simultaneous operation of different energy carriers and utilization of price-responsive loads resulted in lower operating costs for smart distribution grids. Finally, the impact of uncertain parameters was assessed in the system, enhancing the optimal solution’s trustworthiness.

Keywords: Economic dispatch; Demand response; Small-scale energy resources, multi-carrier microgrid.

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