The invention discloses an electric vehicle charging strategy optimization method based on a QPSO algorithm, relates to an electric vehicle charging strategy optimization technology, and aims to solve the problem that centralized charging and quick charging of electric vehicles are uncertain and threaten the safe operation of a power grid. Meanwhile, by charging the electric vehicle, the problem of photovoltaic local consumption is solved. The method comprises the following steps: establishing a micro-grid model for electric vehicle charging; defining an optimization objective function of the micro-grid model; obtaining an electric vehicle charging strategy according to the defined optimization objective function; and optimizing the electric vehicle charging strategy based on the QPSO algorithm. The method has the advantages that a more reasonable charging strategy is made for the electric vehicle, the photovoltaic local consumption capacity in the micro-grid is improved, it is guaranteed that impact on the power grid is as small as possible, the QPSO algorithm is adopted for optimizing the charging strategy of the electric vehicle, and the problem that the objective function is not converged due to the fact that the optimization dimension of the PSO algorithm is high is solved.
一种基于QPSO算法的电动汽车充电策略优化方法,涉及一种电动汽车充电策略优化技术,为了解决电动汽车集中充电和快速充电具有不确定性,而对电网的安全运行带来威胁的问题;同时,通过为电动汽车充电,解决光伏就地消纳问题。本发明通过建立电动汽车充电的微电网模型;并定义微电网模型的优化目标函数;从而根据定义的优化目标函数,得到电动汽车充电策略;进而基于QPSO算法对电动汽车充电策略进行优化。有益效果为对电动汽车做出更合理的充电策略,提高微电网中光伏就地消纳能力,并保证了尽可能小的对电网冲击,采用了QPSO算法对电动汽车充电策略进行优化,解决了PSO算法优化维度高导致目标函数不收敛的问题。
Electric vehicle charging strategy optimization method based on QPSO algorithm
一种基于QPSO算法的电动汽车充电策略优化方法
2021-06-01
Patent
Electronic Resource
Chinese
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