Method for optimizing configuration of island type hybrid energy source system based on artificial bee colony algorithm

Abstract

The invention provides a method for optimizing configuration of an island type hybrid energy source system based on an artificial bee colony algorithm. The method comprises the following steps: firstly, constructing a mathematical model of the island type hybrid energy source system and an optimally configured target function; secondly, optimizing the target function through the artificial bee colony algorithm to obtain a global optimum value, so as to obtain optimal equipment configuration types and quantity of the island type hybrid energy source system. The artificial bee colony algorithm has an optimization mechanism and a convergence performance, which are better than those of swarm optimization algorithms including differential evolution, a genetic algorithm, a particle swarm algorithm and the like, so that the expenditure requirement of a computer is relatively low and the calculation speed is rapider, so that the optimal equipment quantity and type of the configuration of the island type hybrid energy source system can be rapidly and effectively obtained; the method has very good practicability and is suitable for being popularized to hybrid energy source systems with other forms.

Description

technical field [0001] The invention belongs to the field of hybrid energy systems, and in particular relates to a method for optimizing configuration of an island type hybrid energy system based on an artificial bee colony algorithm. Background technique [0002] Low-cost, low-emission, and high-efficiency power supply to remote areas or mobile power platforms is an important concept of microgrid systems. In remote areas or mobile power platform loads need diesel generators to meet their power requirements. The diesel generator mechanism is to generate electricity from petroleum, which is at the cost of consuming expensive fuel and increasing pollutant emissions. In order to improve the air deterioration as much as possible, the isolated hybrid energy power supply system integrating various green energy sources and diesel engines independent of the grid is widely used. In a hybrid energy system, different forms of green energy such as solar energy, wind energy, battery en...

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Problems solved by technology

For example, the literature "Belfkira R, ZhangL, Barakat G. Optimal sizing study of hybrid wind / PV / diesel power generation unit [J]. Solar Energy, 2011, 85(1): 100-110" uses a deterministic algorithm to Determine the optimal number and type of photovoltaics, wind turbines and diesel engines with the least cost penalty, but its accuracy depends too much on the so-called key point (ie Dakar position); literature "Rodolfo D L, Jose L B, Jose M Y. Multi-objective optimization minimizing cost and life cycle emissions of stand-alone PV-wind-dieselsystems with batteries storage. Applied Energy, 2011, 88(11): 4033-4041 "using multi-objective evolutionary optimization mechanism to optimize photovoltaic / wind-dieselsystems with battery storage. The configuration of the diesel engine hybrid system, but its optimization process is complex and the amount of calculation is large; the literature "Akbar M, Alieza A. Optimal sizing of a PV / wind / diesel system with battery storage for electrification to an off-grid remote region: A casestudy of Rafsanjan [J].Sustainable Energy Technologies and Assessments,2014,7:147-155" proposed a configuration method based on discrete optimization algorithm, but its stability and robustness are poor

Therefore, although many such optimal configuration methods have been proposed, few of them can effectively optimize the configuration of island hybrid energy systems based on diesel engines.

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