摘要
为提高充电系统的效率和稳定性,提出电动汽车群控充电功率因数自动校正方法。集成电动汽车群控充电功率因数校正电路,实时监测充电桩的输入电流和电压波形。调整功率因数校正电路参数,确保单位阶跃指令,使得输入电流与电压保持同相位。采用双闭环比例-积分(PI)控制,实现充电桩功率因数的自动校正。实验结果表明,所提方法在提升功率因数、增强系统稳定性等方面具有显著效果。
To improve the efficiency and stability of the charging system,an automatic correction method for the power factor of electric vehicle group control charging is proposed.Integrated electric vehicle group control charging power factor correction circuit,real-time monitoring of input current and voltage waveforms of charging piles.Adjust the parameters of the power factor correction circuit to ensure the unity step instruction,so that the input current and voltage remain in phase.Adopting dual closed-loop Proportional Integral(PI)control to achieve automatic correction of power factor of charging piles.The experimental results show that the proposed method has significant effects in improving power factor and enhancing system stability.
作者
吕晓荣
李奕杰
杨陈
LV Xiaorong;LI Yijie;YANG Chen(Nari Technology Co.,Ltd.,Nanjing,Jiangsu 210000,China)
出处
《自动化应用》
2025年第6期132-134,共3页
Automation Application
基金
国电南瑞科技股份有限公司科技项目资助“面向新型电力系统的电动汽车充放电设备及车网互动产业化关键技术研发及应用”(524609230080)。
关键词
新能源
充电功率
自动校正
功率因数
电动汽车
new energy
charging power
automatic correction
power factor
electric vehicles
