Optimal operation of integrated energy system considering dynamic heat-gas characteristics and uncertain wind power

被引：78

作者：

Chen, Xi ^{[1
]}

Wang, Chengfu ^{[1
]}

Wu, Qiuwei ^{[2
]}

Dong, Xiaoming ^{[1
]}

Yang, Ming ^{[1
]}

He, Suoying ^{[3
]}

Liang, Jun ^{[1
]}

机构：

[1] Shandong Univ, Key Lab Power Syst Intelligent Dispatch & Control, Jinan 250061, Shandong, Peoples R China

[2] Tech Univ Denmark, Dept Elect Engn, Ctr Elect Power & Energy, DK-2800 Lyngby, Denmark

[3] Shandong Univ, Sch Energy & Power Engn, Jinan 250061, Peoples R China

来源：

ENERGY | 2020年 / 198卷

基金：

国家重点研发计划;

关键词：

Heat-gas network; Integrated energy system; Dynamic characteristics; Wind power; Optimal operation; Conditional value-at-risk; NATURAL-GAS; ELECTRICITY NETWORK; ECONOMIC-DISPATCH; THERMAL INERTIA; DEMAND RESPONSE; STORAGE; FLEXIBILITY; MODEL;

D O I：

10.1016/j.energy.2020.117270

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Natural gas and heating water transmission systems operate at slower rates than electric power, making resource cooperation in integrated energy systems (IESs) difficult. Moreover, large-scale fluctuating wind power integrated into IESs further complicates the coordination of each system. Therefore, to coordinate electric power, gas, and heating systems featuring different time scales, an optimal scheduling model for IESs considering the dynamic characteristics and uncertainty of wind power is proposed to improve the economy and security of IESs. First, conditional value-at-risk is introduced to quantitatively evaluate the wind power uncertainty. Then, heat-gas dynamic characteristics with different inertia time constants are coordinated to establish the optimal operation model of IESs with uncertain wind power. Finally, case studies based on a modified simulation system are conducted to demonstrate the efficiency of the proposed method for improving the flexibility and economy of IES operation. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：17

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