Intelligent park multi-energy microgrid configuration method based on multi-target random optimization

Abstract

The invention discloses an intelligent park multi-energy microgrid configuration method based on multi-target random optimization. The intelligent park multi-energy microgrid configuration method comprises the following steps: S1, constructing a multi-energy microgrid configuration optimization model based on capacity configuration guidance by taking the economical efficiency of investment and operation of a multi-energy microgrid configuration system in an intelligent park as a target and taking investment decisions and investment capacities of thermoelectric replacement equipment, a renewable distributed power supply and electric energy storage equipment as constraint conditions; and S2, aiming at reducing the solving difficulty of a nonlinear objective function and a constraint condition in the mode, optimizing corresponding configuration decision schemes of the thermoelectric replacement equipment with fixed capacity, the renewable distributed power supply and the electric energy storage equipment, constructing a multi-energy microgrid configuration optimization model based on element configuration guidance, wherein the model constructed by the method has better economical efficiency and emission reduction advantages, and reduces the dependence degree on a traditional single energy supply system, so that renewable energy sources are better and more efficiently consumed andutilized, and the overall carbon emission intensity of the system is reduced.

Description

technical field [0001] Embodiments of the present invention relate to the technical field of multi-energy interconnection systems, in particular to a method for configuring multi-energy microgrids in smart parks based on multi-objective stochastic optimization. Background technique [0002] Building a multi-energy interconnection system covering different energy types is an important technical means to improve the efficiency of energy terminal utilization and promote my country's energy revolution. The park-level multi-energy microgrid or distributed multi-energy system is an important starting point and entry point for realizing interconnection and complementarity of different types of energy systems in the future and meeting different types of energy needs of terminals. How to scientifically and rationally formulate multi-energy micro-grid planning and the configuration scheme of different types of energy units in multi-energy micro-grid is the key to guide the orderly con...

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Problems solved by technology

[0004] For this reason, the embodiment of the present invention provides a multi-objective stochastic optimization multi-energy micro-grid configuration method in an intelligent park, using two different planning model construction ideas and different external planning environments to establish a multi-energy micro-grid configuration optimization model, so that the model It has better economic and emission reduction advantages, reduces the dependence on the traditional single energy supply system, and also makes the system have better "elasticity", so as to better and more efficiently absorb and utilize renewable energy, and reduce the system The overall carbon emission intensity to solve the problems in the existing technology due to the uncertainty of considering different types of energy loads at the planning level and the high degree of dependence on the traditional single energy supply system

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