Abstract
As an important driving force to promote the energy revolution, the emergence of the energy internet has provided new ideas for the marketization and flexibility of multi-energy transactions. How to realize multi-energy joint trading is a key issue in the development of the energy market. An urban energy internet market trading model among energy suppliers, energy service providers and the large users in the urban area, based on tripartite game theory, is established in this paper. Considering the cost–income function of each market entity and the basic market trading mechanism, a new game-tree search method is proposed to solve the Nash equilibria for the game model. The Nash equilibria of the tripartite game can be obtained, and the market transaction status corresponding to the Nash equilibria is analyzed from the perspective of the market transactions. The multi-energy joint transaction and market equilibria can be easily implemented for the bids and offers of the multiple energy entities in the urban energy internet market.
Highlights
Energy consumption is an important basis for socio-economic development
In order to verify the effectiveness of the tripartite game model and the solving method for the
In order to verify the effectiveness of the tripartite game model and the solving method for the urban energy internet market, case studies are conducted as follows
Summary
Energy consumption is an important basis for socio-economic development. As traditional fossil energy sources are gradually depleted, how to achieve efficient energy use has become a major problem all over the world. Combining the use of electricity, heat and natural gas may be a promising way to deal with the energy consumption efficiency issue. Energy internet is a complex multi-energy flow system that has a power system as the core, the internet and other cutting-edge information technologies as the foundation and distributed renewable energy as the main energy source, and is closely coupled with thermal systems, natural gas networks, transportation networks and other systems [3]. Based on the basic characteristics of multi-energy-coupled energy internet, the main goal of the energy internet market is to achieve multi-energy comprehensive transactions. In order to better realize complementary use of multiple energy sources and improve energy efficiency, it is important to establish a multi-time scale, multi-energy, energy internet market trading model [4]. Compared with the pure electrical energy trading in the traditional electricity market, other energy sources such as thermal energy will be included in the multi-energy market, and the trading behavior of market entities will affect the entire trading mechanism [5]
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