黑龙江科技大学学报2023，Vol.33Issue(6)：896-901,6.DOI:10.3969/j.issn.2095-7262.2023.06.019
谐波注入脉宽调制的有源电力滤波器
An active power filter with harmonic injection and pulse width modulation
胥良 1崔兆一1
作者信息
- 1. 黑龙江科技大学 电气与控制工程学院,哈尔滨 150022
- 折叠
摘要
Abstract
The paper is an attempt to address the complex process problem of coordinate transforma-tion and vector regulation switching in the space vector pulse width modulation of active power filter,and proposes a strategy of optimized PWM with harmonic wave.The study is accomplished by establishing cir-cuit model of active power filter;introducing current inner loop PI to realize current decoupling control;improving ip-iqmethod to sample the load current;analyzing fourier expansion of saddle modulated wave;solving modulation function and its sinusoidal series by modulation factor and establishing mathematical relationship between the two factors by modulation index;and simulating and verifying the effect of active power filter with harmonic injection pulse width modulation.The results show that the system can reach i-deal state with modulation index by 0.5,harmonic content of input current is reduced to less than 5%,power factor is improved.and system remains stable when load changes abruptly.关键词
调制函数/调制因子/鞍形调制波/有源电力滤波器Key words
modulation function/modulation factor/saddle modulated wave/active power filter分类
信息技术与安全科学引用本文复制引用
胥良,崔兆一..谐波注入脉宽调制的有源电力滤波器[J].黑龙江科技大学学报,2023,33(6):896-901,6.
