A Coordinated Control Method of Energy Consumption in Integrated Energy System Based on Virtual Energy Storage

Abstract

A method for coordinating energy use of an integrated energy system based on virtual energy storage according to the present invention comprises the following steps: acquiring basic operating parameters of an integrated energy system managed and controlled by different agents; aiming at minimizing building operating costs, constructing intelligent building-level optimized operation model; and establish a virtual energy storage model; at the agent level, based on the virtual energy storage model of a single building, construct the optimization objectives and constraints of the agent-level operation strategy for multiple buildings considering the total cost of agent operation, and calculate the The quantified value of virtual storage; at the interaction level between multi-agents and distribution network, construct the optimization target, determine the objective function and constraint conditions of the regional comprehensive energy system energy coordination model based on multi-agents, and calculate the comprehensive energy based on virtual energy storage The system uses the optimal solution capable of coordinated control. According to the decision-making target, the present invention maximizes the utilization of various resources of IES at various levels such as buildings and parks with the distribution network as the core, and satisfies the multi-subject energy demand of buildings, parks and distribution networks.

Description

technical field [0001] The invention belongs to the technical field of integrated energy systems, and in particular relates to a coordinated control method for energy consumption of an integrated energy system based on virtual energy storage. Background technique [0002] The integrated energy system (IES) is a key bearing form for the implementation of the concepts of multi-energy complementarity and energy cascade utilization. The emergence of the IES multi-energy collaborative development concept has promoted the coupling construction and multi-energy collaboration between different energy systems. Complementary operation can realize the coordinated optimization of the whole process and all links from source to load, from energy supply to energy consumption, thereby improving the comprehensive utilization efficiency of energy and enhancing the flexibility of terminal energy consumption. [0003] IES can be divided into two categories in terms of service objects: one is ar...

AI Technical Summary

Problems solved by technology

[0004] With the widespread access of distributed energy, grid-connected energy storage, etc. at the levels of building IES and park IES, the traditional building energy system is gradually transforming into a prosumer system with dual characteristics of source-load and multi-energy coupling. Most of the existing research focuses on the IES of a single space level, and there is no effective model to evaluate the external energy characteristics of a single level of IES. In addition, the distribution network as the core of the building, park and other levels of IES have their own different resources. Endowment and energy demand, thus presenting different external energy charging and discharging characteristics, the hierarchical control and resource sharing of multi-level IESs can achieve power mutual benefit, and the literature is now researching on the modeling of energy external characteristics of multi-energy systems and multi-system interaction strategies insufficient

Images