包含电动汽车充电桩的微电网电能计量研究

Research on Electric Energy Metering in Microgrid with Electric Vehicle Charging Pile

文章针对传统电能计量设备的精度不足、对不同用户的不公平计量等弊端,提出了一种结合快速傅里叶变换和小波变换的方法,用来检测电动汽车充电桩产生的谐波分量。相比传统方法,该方法具有更高的适应性和计量精度。通过仿真实验,验证了该算法的可行性,并为含电动汽车充电桩的微电网电能计量提供了理论支持,以提高电能计量的精度和可靠性。

A method combining fast Fourier transform and wavelet transform is proposed to detect the harmonic components generated by electric vehicle charging stations,in response to the shortcomings of traditional energy metering equipment such as insufficient accuracy and unfair measurement for different users.Compared to traditional methods,this method has higher adaptability and measurement accuracy.The feasibility of this algorithm was verified through simulation experiments,and theoretical support was provided for microgrid energy metering with electric vehicle charging stations to improve the accuracy and reliability of energy metering.