Operation Strategy Optimization of Gas Triple Supply Coupled Photovoltaic System

Xiaonan CHEN; Dongsheng PEI; Ting XU; Zhongqiu XU; Ming JIN

doi:10.16513/j.2096-2185.DE.2207505

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Distributed Energy ›› 2022, Vol. 7 ›› Issue (5) : 30-38. DOI: 10.16513/j.2096-2185.DE.2207505

Basic Research

Operation Strategy Optimization of Gas Triple Supply Coupled Photovoltaic System

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Abstract

In order to improve the energy efficiency of the gas triplex coupled photovoltaic system, a distributed project of an office building in Shanghai is taken as an example, in consideration of project equipment characteristics, electricity price and power generation cost of the project, first, the system performance evaluation and economic calculation model is established, and then the economy of the triple power supply system and the state grid direct power supply system under different boundary conditions are analyzed and compared. Finally, the system operation strategies under typical daily load conditions in winter and summer are determined, when the optimization target is the comprehensive operation cost of the system. The results show that the triplex power supply system has good economic benefits in the application range at the peak and flat stage of electricity price. In the low stage of electricity price, when the natural gas price is higher than 3.69 yuan/m³ in winter and 3.99 yuan/m³ in summer, the operation cost of direct power supply to the state grid is lower. Compared with the conventional scheme, the optimized system operation strategy scheme can reduce the operation cost by 1.904 2 million yuan and the carbon dioxide emissions by 236.06 t per year, and the economic and environmental benefits are significant.

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gas triplex supply / coupled photovoltaic / operating cost / operation strategy

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Xiaonan CHEN , Dongsheng PEI , Ting XU , et al . Operation Strategy Optimization of Gas Triple Supply Coupled Photovoltaic System[J]. Distributed Energy Resources. 2022, 7(5): 30-38 https://doi.org/10.16513/j.2096-2185.DE.2207505

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