Off-grid Integrated Energy System With Combined Heat and Power CSP Plants and Phase Change Storage Building

被引：0

作者：

Sun S. ^{[1
]}

Wang Z. ^{[1
]}

Lin X. ^{[1
]}

Tong N. ^{[1
]}

Liu C. ^{[1
]}

Sui Q. ^{[1
]}

Ding S. ^{[1
]}

Li Z. ^{[1
]}

机构：

[1] Huazhong University of Science and Technology, Wuhan, 430074, Hubei Province

来源：

Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2019年 / 39卷 / 20期

基金：

中国国家自然科学基金;

关键词：

Combined heat and power; Concentrating solar power (CSP); Phase change material; Thermal energy storage (TES);

D O I：

10.13334/j.0258-8013.pcsee.182014

中图分类号：

学科分类号：

摘要：

For those remote areas which are difficult to establish connections with main power grids, relying solely on photovoltaic (PV) plant cannot guarantee the safe operation of the system, resulting in large-scale solar curtailment. concentrating solar power (CSP) with thermal energy storage (TES) has high schedulability and its characteristics adapt well to the off-gird integrated energy system. However, the application of CSP is limited by its high investment compared with PV. An off-grid integrated energy system coordinated with combined heat and power CSP plants and phase change building materials was proposed. Back-pressure turbines (BT) can effectively improve energy production efficiency of CSP plants. The heat/cold storage capacity of phase change materials can relax the thermoelectric constraint of BTs, improvethe operating efficiency of thermal power units and reduce the operation cost of integrated energy system under the premise of meeting the energy demand. The case study verified the feasibility and effectiveness of the proposed energy supply mode along with the proposed scheduling strategy. © 2019 Chin. Soc. for Elec. Eng.

引用

页码：5926 / 5937

页数：11

共 28 条

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