Multi-agent-oriented benefit equalized micro-grid day-ahead economic scheduling method

Abstract

The invention relates to a multi-agent-oriented benefit equalized micro-grid day-ahead economic scheduling method, which comprises the steps of building an operation cost model of various types of equipment by combining the fuel cost, the operation scheduling cost, the life loss cost and the environmental pollution cost of the equipment in the system based on efficiency models of the various typesof energy generation and conversion equipment in a multi-energy micro-grid; building a day-ahead economic scheduling mathematical model considering multi-agent benefit equalization of renewable energy owners, micro-grid energy service providers and electric automobile users; solving the built model by adopting a master-salve game method, solving an optimal strategy by adopting an improved chaoticparticle swarm algorithm for the benefit of each participant, and solving a Nash equilibrium point by adopting an iterative search method for the whole game process. According to the invention, threemain bodies such as the renewable energy owners, the micro-grid energy service providers and the electric automobile users are enabled to make corresponding decisions according to obtained information, the operation scheduling strategy among the main bodies of the comprehensive energy micro-grid can be optimized, the benefit of each main body is improved, and the operation economy of the comprehensive energy micro-grid is improved.

Description

technical field [0001] The invention relates to a microgrid day-ahead economic scheduling method. In particular, it involves a micro-grid day-ahead economic scheduling method oriented to multi-subject benefit balance. Background technique [0002] Energy is the basis for the survival and development of human beings and the lifeblood of the national economy. Improving energy utilization efficiency and large-scale consumption of renewable energy have become an inevitable choice to solve the conflict between energy supply and demand, as well as the contradiction between social development and environmental protection; and breaking the existing mode of separate planning and independent operation of each energy supply system, Realizing the coordinated supply of electricity / gas / heat (cold) will definitely be the development trend of the regional energy supply system in the future. The integrated energy microgrid is an important node of the regional integrated energy system. If t...

AI Technical Summary

Problems solved by technology

However, most of the existing studies are based on the optimization results of unified scheduling from the perspective of microgrid operators, without considering the game relationship between multiple subjects, and without establishing the benefit model of each stakeholder, so that the scheduling scheme is in the actual situation. It is difficult to realize in a complex large-scale regional integrated energy system including multi-subject operators and multi-type users; most of the current research processes use fixed energy storage devices, without considering the role of mobile energy storage devices, and lack of electric power for car owners. The response output model affected by the electricity price of the vehicle on-grid is not conducive to realizing the two-way interaction between the energy storage device and the grid and promoting the efficient and flexible operation of the grid; there is a lack of suitable optimization algorithms for high-dimensional nonlinear optimal scheduling problems, and the existing algorithms tend to fall into local convergence

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