Mixed Integer Linear Programming Model for Peak Operation of Gas-Fired Generating Units with Disjoint-Prohibited Operating Zones

Zhongkai Feng, Wenjing Niu, Sen Wang, Chuntian Cheng and Zhenguo Song
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Zhongkai Feng: School of Hydropower and Information Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
Wenjing Niu: Bureau of Hydrology, ChangJiang Water Resources Commission, Wuhan 430010, China
Sen Wang: Key Laboratory of the Pearl River Estuarine Dynamics and Associated Process Regulation, Ministry of Water Resources, Guangzhou 510611, China
Chuntian Cheng: Institute of Hydropower and Hydroinformatics, Dalian University of Technology, Dalian 116024, China
Zhenguo Song: China Ship Development and Design Center, Wuhan 430064, China

Energies, 2019, vol. 12, issue 11, 1-17

Abstract: Due to booming economic development over the past decades, energy demands in most of China’s provincial power grids have increased sharply, and it has become challenging to guarantee the energy balance at peak periods. In many provincial electric systems of China, gas-fired generators are one of the most important peaking power sources to respond the load change at peak periods. To meet this practical necessity, a novel mixed integer linear programming model is proposed in this paper for the peak operation of gas-fired generating units with disjoint-prohibited operating zones. In the developed model, the objective function is chosen to minimize the peak-valley difference of the remaining load series that is obtained by subtracting the total generation of all the gas-fired units from the original load curve. The real-world simulations in several cases show that the developed model is able to generate satisfying scheduling results by reasonably allocating the power outputs of all the gas-fired generators in the scheduling horizon. Then, the management implications obtained lie in the fact that it is necessary to increase the share of peak power sources in the mid- to long-term planning of an electrical power system; and in the daily operation of the power grid, greater flexibility should be given to the gas-fired units to reduce peak pressure.

Keywords: mixed integer linear programming; peak shaving operation; gas-fired generating unit; disjoint prohibited operating zones; provincial electric system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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