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Decoupling optimization of integrated energy system based on energy quality character |
Shixi MA, Shengnan SUN, Hang WU, Dengji ZHOU, Huisheng ZHANG( ), Shilie WENG |
School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China |
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Abstract Connections among multi-energy systems become increasingly closer with the extensive application of various energy equipment such as gas-fired power plants and electricity-driven gas compressor. Therefore, the integrated energy system has attracted much attention. This paper establishes a gas-electricity joint operation model, proposes a system evaluation index based on the energy quality character after considering the grade difference of the energy loss of the subsystem, and finds an optimal scheduling method for integrated energy systems. Besides, according to the typical load characteristics of commercial and residential users, the optimal scheduling analysis is applied to the integrated energy system composed of an IEEE 39 nodes power system and a 10 nodes natural gas system. The results prove the feasibility and effectiveness of the proposed method.
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Keywords
integrated energy system
energy quality character
optimization
electric power system
natural gas system
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Corresponding Author(s):
Huisheng ZHANG
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Online First Date: 03 December 2018
Issue Date: 21 December 2018
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