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High-resolution modeling and decentralized dispatch of heat and electricity integrated energy system

Lu, Shuai, Gu, Wei, Zhou, Suyang, Yu, Wenwu, Yao, Shuai ORCID: and Pan, Guangsheng 2020. High-resolution modeling and decentralized dispatch of heat and electricity integrated energy system. IEEE Transactions on Sustainable Energy 11 (3) , pp. 1451-1463. 10.1109/TSTE.2019.2927637

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The heat and electricity integrated energy system (HE-IES) has high energy efficiency and bright application prospects. In the HE-IES, the heat transmission in the heating network and the indoor temperature variation in the buildings are governed by (partial) differential equations, which bring the heat dynamics problem in the system operation. In this paper, we propose a comprehensive approach for the operation of the HE-IES to coordinate the electricity and heat dynamics, including modeling, evaluation, and dispatch procedure. First, we formulate a high-resolution model for the heating network and buildings to describe the heat dynamics; two indices are proposed to measure the impact of heat dynamics, which are then used to select the time resolution. Second, an optimal dispatch model with high resolution for the heat dynamics is formulated for the HE-IES; a decentralized and parallel solution method is proposed based on the alternating direction method of multipliers. Third, a two-stage procedure for the time resolution selection is proposed, which consists of a dispatch decision stage and a time resolution evaluation stage. A small illustrative case is studied to verify the effectiveness of the proposed method. A big case based on a real heating network in Jilin Province, China, is also simulated.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
ISSN: 1949-3029
Last Modified: 24 Aug 2023 10:45

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