电测与仪表2017，Vol.54Issue(4)：6-10,62,6.
基于瞬时无功功率理论的谐波检测和抑制的模型参考自适应控制系统
Model reference self-adaptive control system of harmonic detection and suppression based on instantaneous reactive power theory
摘要
Abstract
In view of the low-pass filter selection problem based on instantaneous reactive power theory,fundamental wave current is extracted through Fast Fourier Transform analysis,and the every harmonic content and total harmonic distortion are selected as the basis of Butterworth low-pass filter order and cut off frequency.Firstly,the simulation model of harmonic detection is established based on the instantaneous reactive power theory in common connection point of harmonic source;Secondly,according to distortion degree of the extraction of fundamental wave current,low-pass filter selection method is described in detail,Finally,the open-loop harmonic detection system is introduced based on the theory of model reference self-adaptive theory,which overcomes the internal parameter change and external disturbance in practical model for the influence of harmonic detection.Theoretical analysis and simulation experiments show that the system has good harmonics detection precision and has better robust and self-adaptive for the fundamental wave extraction.关键词
瞬时无功功率理论/谐波检测和抑制/低通滤波器/模型参考自适应Key words
instantaneous reactive power theory/harmonic detection and suppression/low-pass filters/model reference self-adaptive分类
信息技术与安全科学引用本文复制引用
崔浩,舒朝君,陈言..基于瞬时无功功率理论的谐波检测和抑制的模型参考自适应控制系统[J].电测与仪表,2017,54(4):6-10,62,6.基金项目
国网四川省电力公司乐山供电公司科技项目"变电站综合自动化系统校验研究"(521908120015) （521908120015）
