A Robust Assessment Model of the Solar Electrical-Thermal Energy Comprehensive Accommodation Capability in a District Integrated Energy System

Wei Wei, Haoyue Jia, Yunfei Mu, Jianzhong Wu and Hongjie Jia
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Wei Wei: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Haoyue Jia: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Yunfei Mu: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Jianzhong Wu: School of Engineering, Cardiff University, Cardiff CF24 3AA, UK
Hongjie Jia: Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China

Energies, 2019, vol. 12, issue 7, 1-26

Abstract: As effective utilization of solar resources is a significant way to address the imbalance between energy supply and demand. Therefore, reasonably assessing the accommodation capability of solar energy is important. A two-stage robust evaluation model is proposed for the solar electricity-thermal energy comprehensive accommodation capability in a district integrated energy system. The accommodation capability index is constructed based on the second law of thermodynamics. A robust optimization model was adopted to deal with the uncertainty of solar irradiance. In the solution procedure, the non-convex non-linear power flow model is transformed into a second-order cone model to effectively fit the proposed two-stage robust evaluation model. Finally, a case study verifies the effectiveness of the proposed model and the solution method. The influence of irradiance fluctuation range, gas boiler, and energy storage is discussed in detail.

Keywords: integrated energy system; solar energy; electrical-thermal energy comprehensive accommodation; robust optimization (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 (1)

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