电动车充电站电能质量监测平台的研究

Research on power quality monitoring platform of electric car charging station

针对当今电动车充电站对电网侧电能质量的影响,特别是车载电动车动力蓄电池在充电过程中的电网谐波危害以及充电插、拔过程中出现的电压骤升、暂降等问题,设计了以电能芯片ATT7022C与ARM9处理器结合的、Lab VIEW为分析载体的电能质量综合平台。实施结果表明,本系统综合性强,可有效检测出多个电能质量参数及电网谐波变化规律,并为电动车充电站的充电机选择和技术改进提供了依据。

Aiming at the impact of today＇s electric vehicle charging stations on the grid side of the power quality,especially the problems of harmonic harm during the electric vehicle batteries charging process and swells and voltage sags during the charging plug and pull,a power quality integrated platform has been designed with high precision meter chip ATT7022 C combining ARM9 processor and with Lab VIEW as the analysis carrier. The results show that the proposed system can not only effectively detect the multiple parameters and laws of the harmonic wave in the power grid,but also provide a basis for the selection and technical improvement of for electric vehicle charging stations.