Decentralized Dispatch of Distributed Multi-Energy Systems With Comprehensive Regulation of Heat Transport in District Heating Networks

被引：10
作者：
Sun, Qinghan [1 ]
Zhao, Tian [1 ]
Chen, Qun [2 ]
He, Kelun [1 ]
Ma, Huan [1 ]
机构：
[1] Tsinghua Univ, Dept Engn Mech, Beijing, Peoples R China
[2] Tsinghua Univ, Dept Engn Mech & Depart ment Elect Engn, Beijing 100084, Peoples R China
来源：
IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2023年 / 14卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Alternating direction method of multipliers; decentralized optimization; distributed energy systems; district heating networks; renewable energy sources; ELECTRIC-POWER; OPTIMIZATION; MODEL; OPERATION; FLOW;
D O I：
10.1109/TSTE.2022.3203160
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Distributed Energy Systems(DES) interconnected with Electric Power Network(EPN) and District Heating Network(DHN) have drawn great attention recently as they promote user-side coordination of multi-energy flows. However, the difference in physical nature between electric power transmission and heat transport has brought difficulties to the modelling and decentralized optimization. In this article, a new DHN model considering delay and storage features of pipeline heat migration and heat transfer between fluids is proposed through trigonometric expansion of the decision series and the heat current method. The model comprehensively characterizes the heat transport in the system and a dispatch problem considering hybrid regulation of fluid flow rates and temperatures in DHN is then established. A primal-decomposition-based decentralized gradient descent method in accompany with Alternating Direction Method of Multipliers(ADMM) is proposed to optimize the DESs in a fully decentralized manner. Case study on two test systems validates the effectiveness of the proposed model and method to further harness the potential of DHN, which reduce renewable energy curtailment by 17.3% and 27.0% respectively.
引用
收藏
页码：97 / 110
页数：14
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