Comprehensive optimal configuration method for multiple energy storage capacities of multi-energy microgrid

Abstract

The invention discloses a comprehensive optimization configuration method for multiple energy storage capacities of a multi-energy microgrid, the comprehensive optimization configuration method comprises the steps of S1, respectively constructing demand response models of various loads, and establishing an electricity / heat / gas load coupling demand response model according to a coupling relationship of the various loads; S2, constructing a microgrid multi-target energy storage configuration model according to constraint conditions in the multi-energy micro-grid; and S3, determining a weight factor based on the adaptive dynamic weight factor optimization model to obtain a planning result of the microgrid multi-target energy storage configuration model. The invention aims at a multi-energy microgrid containing wind-solar power generation and electricity / heat / gas load. On the basis of building virtual heat storage, transferable characteristics of electrical load and gas load are considered, a multi-energy microgrid multi-energy storage capacity comprehensive planning multi-objective optimization model considering coupling demand response is established with economic cost and carbon emission as objectives, and a self-adaptive dynamic weight factor is adopted to adapt to flexibility and variability of a planning scene.

Description

technical field [0001] The invention belongs to the technical field of multi-energy micro-grid planning, and in particular relates to a method for comprehensively optimizing and configuring various energy storage capacities of a multi-energy micro-grid. Background technique [0002] With the depletion of traditional fossil energy and the continuous deterioration of the natural environment, how to use energy efficiently and cleanly has gradually become the focus of many scholars. The multi-energy micro-grid can realize the mutual conversion of various energy sources and realize the complementary advantages of different energy sources, which is conducive to reducing the economic cost of micro-grid operation, improving energy utilization efficiency and environmental benefits, etc. The allocation of energy storage devices with reasonable capacity in the multi-energy micro-grid can effectively further improve the economy and operating efficiency of the multi-energy micro-grid. W...

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Problems solved by technology

[0003] The purpose of the present invention is to address the above-mentioned deficiencies in the prior art, and provide a method for comprehensively optimizing the configuration of multiple energy storage capacities of a multi-energy microgrid, so as to solve the problem of the multi-energy microgrid that does not consider user electricity / heat / gas demand response in the prior art. The question of the impact of grid energy storage planning

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