Comprehensive energy source system of three-cell coupling type and optimization design method thereof

Abstract

The invention relates to a comprehensive energy source system of a three-cell coupling type and an optimization design method thereof. The system includes a fuel cell, a photovoltaic cell and a storage cell. The optimization design method includes the following steps: taking minimization of an annual total cost of the energy source system as an objective function to establish an optimization mathematical model; acquiring input variable parameter values of the optimization mathematical model from a pre-constructed system optimization design database; carrying out solving on the optimization mathematical model to obtain decision variable output data; and obtaining optimal equipment capacity and an optimal operation strategy of the energy source system to output data according to the decision variable output data obtained by solving. Compared with the prior art, the optimization design method provided by the invention improves the overall energy efficiency of the system while the reliability and the stability of terminal load supply are improved, solves problems of disjointing between supply and demand and the like in prior methods, and provides a scientific basis for determining a reasonable design scheme and the reasonable operation strategy of the comprehensive energy source system.

Description

technical field [0001] The invention relates to the field of optimization design of integrated energy systems, in particular to a fuel cell, photovoltaic cell and storage battery coupled integrated energy system and its equipment configuration and operation strategy collaborative optimization method, specifically to a three-battery coupled integrated energy system and its optimization design method. Background technique [0002] In response to increasingly severe energy and environmental problems, distributed energy has attracted widespread attention from countries all over the world, including developed and developing countries. Distributed energy can adopt a variety of energy supply technologies, which can be roughly divided into two types: the first type is the cogeneration of heat and power or cold, Combined heat and electricity generation technology; the second category is small-scale renewable energy technologies including photovoltaic power generation, biomass power ...

AI Technical Summary

Problems solved by technology

The established optimization design method comprehensively considers the dynamics of multiple loads on the demand side and the performance of various equipment on the supply side, solves the problem of disconnection between supply and demand in existing methods, and provides a scientific basis for determining a reasonable design plan and operation strategy for an integrated energy system

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