储能科学与技术 ›› 2017, Vol. 6 ›› Issue (S1): 8-.doi: 10.12028/j.issn.2095-4239.2017.0069

• 特约文章 • 上一篇    下一篇

基于电力载波的电动汽车充电电路谐波抑制

洪宝棣1，葛丽娟1，童莉葛2   

  1. 1内蒙古农业大学机电工程学院，内蒙古 呼和浩特010010；2北京科技大学能源与环境工程学院，北京 100083
  • 收稿日期:2017-05-24 修回日期:2017-06-07 出版日期:2017-10-01 发布日期:2017-10-01
  • 通讯作者: 童莉葛，副教授，从事能源转换与高效利用研究，E-mail：dqndsj@163.com。
  • 作者简介:洪宝棣（1972—），女，副教授，从事电力电子方向研究，E-mail：Hongbd1@aliyun.com
  • 基金资助:
    内蒙古自治区高等学校科学研究项目（NJZC16058）

Harmonic suppression of charging circuit for the electric vehicle based on the power line carrier

HONG Baodi1, GE Lijuan1, TONG Lige2   

  1. 1Mechanical and Electrical Engineering College, Inner Mongolia Agriculture University, Huhhot 010010, Inner Mongolia, China; 2School of Energy and Environmental Engineering, University of Science and Technology, Beijing 100083, China
  • Received:2017-05-24 Revised:2017-06-07 Online:2017-10-01 Published:2017-10-01

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摘要： 基于电力载波的电动汽车充电电路中的谐波会干扰PLC通讯影响系统稳定性。对三相四线不可控整流和高频功率变换电路中的谐波电流，采用指定次谐波控制策略的有源滤波和无源滤波相结合的方法，将检测到的负载电流信号中的n次谐波通过同步旋转坐标变换变为直流量，经低通滤波器提取后进行电流模糊PI控制，达到消除指定次谐波的目的。理论分析和仿真实验表明，该方法可有效滤除电流谐波，保证电流波形的正弦特性，为今后电动汽车充电站PLC通信建设提供理论参考。

关键词: 电力载波, 谐波抑制, 有源电力滤波器, 指定谐波, 模糊PI控制

Abstract:

PLC communication will be interfered by harmonics in the charging circuit for the electric vehicle based on the power line carrier, thus, affecting system stability. Regarding harmonic currents in three-phase four-wire uncontrollable rectifier and high-frequency power conversion, active and passive filters with the specified sub-harmonic control strategy can be adopted to change the n times of harmonics in the detected load current signal to DC value through the synchronous rotating reference frame. Current. And current PI control is conducted upon extracted by the low-pass filter to achieve the purpose of eliminating the specified harmonics. Both the theoretical analysis and simulation experiment showed that the method can effectively filter the current harmonics to ensure the sinusoidal characteristics of the current waveform, providing a theoretical reference for the upcoming PLC communication construction of the electric vehicle charging station.

Key words: power carrier, harmonic suppression, active power filter, selective harmonic, fuzzy PI control