摘要
LCL无源滤波器参数的选取直接关系到系统的开关纹波滤除和电网谐波补偿效果,影响系统能否稳定工作。分析了LCL滤波器各元件参数的作用以及改变各参数量对开关纹波滤波效果的影响趋势,并首次引入一种简单实用的计算滤波器逆变侧电感值的方法。最后,通过仿真和50kVA样机验证,表明设计合理,理论分析正确。
Few papers focused on the LCL filter research and design in Active Power Quality Controller（APQC）However,the characteristics of LCL filter greatly influence the attenuation of switching harmonics,harmonic compensation of grid and the stability of APQC.This paper focuses on analysis of the functional contribution of each components and the influence of LCL values on the effect of attenuation of switching harmonics.A simple but practical method to design VSC side＇s inductor of the filter is firstly proposed.Finally,the simulation as well as the 50kVA APQC prototype experiment validate the above analysis,and show that the design approach is feasible.
出处
《电力电子技术》
CSCD
北大核心
2007年第3期6-8,27,共4页
Power Electronics
关键词
滤波器
谐波
补偿/电能质量控制器
开关纹波
filter
harmonic
compensation/power quality controller
switching harmonics
