Joint Commitment of Generation Units and Heat Exchange Stations for Combined Heat and Power Systems

被引:38
|
作者
Lin, Chenhui [1 ]
Wu, Wenchuan [1 ]
Wang, Bin [1 ]
Shahidehpour, Mohammad [2 ]
Zhang, Boming [1 ]
机构
[1] Tsinghua Univ, Dept Elect Engn, State Key Lab Power Syst, Beijing 100084, Peoples R China
[2] IIT, Robert W Galvin Ctr Elect Innovat, Chicago, IL 60616 USA
基金
中国国家自然科学基金;
关键词
Cogeneration; Thermal loading; Resistance heating; Water heating; Pipelines; Combined heat and power; heat exchange station; thermal storage; unit commitment; wind power utilization; COORDINATED DISPATCH; INTEGRATED HEAT; ENERGY-STORAGE; THERMAL-HEAT; NETWORK; CONSTRAINT; OPERATION; MODEL;
D O I
10.1109/TSTE.2019.2917603
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The combined heat and power system introduces a higher efficiency in energy conversion and consumption. By exploiting the flexibility of district heating systems (DHSs), the joint operation of heat and power systems can improve the overall system flexibility, reduce renewable energy curtailment, and decrease system operating costs. In a typical DHS, the heat exchange station (HES) is a key component which can help adjust the heat distribution among heat loads. In this paper, a joint hourly commitment of generation units and HESs is proposed. The DHS model is presented in which thermal storage and inertia of pipelines and heat loads are characterized. In addition, an approximation is applied to the HES model, making the overall joint commitment problem tractable. Numerical simulations are carried out, which demonstrate that the proposed joint commitment solution can introduce additional benefits in reducing wind power curtailment and system operation cost.
引用
收藏
页码:1118 / 1127
页数:10
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