Park integrated energy system dynamic planning method and device considering multiple uncertainties and medium

Abstract

The invention discloses a park integrated energy system dynamic planning method and device considering multiple uncertainties and a medium. The method comprises the steps of determining an energy hub framework of a park integrated energy system, and determining power balance constraints of all energy networks and device condition constraints of all coupling devices; establishing a whole-life-cycle cost model for the park integrated energy system, wherein the whole-life-cycle cost model comprises a staged dynamic planning equipment investment cost part and a whole-life-cycle operation cost part; taking the minimum cost of the whole life cycle as an objective function, and constructing an optimization model based on the determined constraint condition; decomposing the optimization model into a main problem and a sub-problem by adopting a column sum constraint algorithm, and converting the sub-problem by adopting a large M method and a dual theory; and solving through a main-sub problem iterative algorithm to obtain equipment capacity configuration of each planning stage and an output configuration scheme of each piece of equipment at each moment in the operation stage. The invention is high in economic benefit, and theoretical support is provided for development of a comprehensive energy system.

Description

technical field [0001] The invention relates to the field of comprehensive energy planning, in particular to a dynamic planning method for park comprehensive energy systems considering multiple uncertainties. Background technique [0002] The integrated energy system of the park is a micro-integrated energy system directly oriented to end energy users. As one of the typical coupling and supply objects of electricity / gas / heat / cold multi-energy on the user side, it includes multi-energy flow energy transfer, conversion and storage. Important equipment that can significantly improve the renewable energy consumption capacity and comprehensive energy utilization efficiency. The comprehensive energy system planning of the park can bring more reasonable network structure and equipment investment, so as to meet the load demand and ensure the efficient and stable operation of the system. Therefore, it is of great significance to study the planning technology of the integrated energy...

AI Technical Summary

Problems solved by technology

However, a large number of projects adopt one-time investment planning, ignoring the construction timing characteristics, which leads to the investment of energy equipment in an idle state in the early stage of operation, and the phenomenon of equipment aging and capacity shortage in the later stage of operation

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