巴特沃斯数字滤波器在逆变器中的仿真及应用  

Simulation and application of butterworth digital filter in inverter

作　　者：黄浩 李睿 Huang Hao;Li Rui(Wuhan ChangHai electric technology development CO.LTD,Wuhan 430064,China)

机构地区：[1]武汉长海电气科技开发有限公司,武汉430064

出　　处：《船电技术》2023年第6期92-95,共4页Marine Electric & Electronic Engineering

摘　　要：数字滤波具有精度高、灵活性好、可靠性高等优势并且可以针对信号处理的要求通过修改参数来改变波特性,再现代电力电子设备中应用广泛。本文基于数字滤波器原理,通过理论推导,参数确定,程序编写,在Matlab软件工具箱的基础上,设计了适用于UPS电源的巴特沃斯低通数字滤波器。仿真和试验结果表明,巴特沃斯数字滤波器能在不额外增加滤波设备的情况下,有效滤除谐波,提升电能质量。digital filtering has the advantages of high precision,good flexibility and high reliability,and it can change the wave characteristics by modifying parameters according to the requirements of signal processing,and it is widely used in modern power electronic equipment.Based on the principle of digital filter,through theoretical derivation,parameter determination and programming,this paper designs Butterworth low-pass digital filter for UPS on the basis of Matlab software toolbox.The simulation and test results show that Butterworth digital filter can effectively filter out harmonics and improve power quality without additional filtering equipment.

关 键 词：巴特沃斯滤波器 双线性变换 UPS电源 MATLAB 

分 类 号：TN713[电子电信—电路与系统]