摘要
传统的基于瞬时无功功率理论的谐波检测算法需要4次矩阵运算和三角函数运算,算法复杂。针对该问题,提出一种基于瞬时无功功率理论的谐波检测算法,只需一次矩阵运算即可实现与传统算法等效的检测结果。采用高速定点DSP芯片TMS320F2812对提出的算法进行数字化实现。实验结果表明,提出的算法与传统谐波检测算法等效,但该算法更简单,大大减少了执行时间。
The traditional harmonic extraction algorithm based on the instantaneous reactive power theory needs four matrix transformations and sine/cosine operations, which render the algorithm complex.Therefore, a stationary frame harmonic extraction algorithm derived from the instantaneous reactive power theory is proposed to simplify the traditional one.The proposed algorithm is equivalent to the instantaneous reactive power theory,but it needs only one matrix transformation.A fixed point DSP TMS320F2812 is used for the digital algorithm implementation.Experimental results show the proposed algorithm has the same results as the traditional one, but far more simplified form and reduced program executive time.
出处
《电力电子技术》
CSCD
北大核心
2008年第11期15-16,共2页
Power Electronics
基金
燕山大学优秀博士生基金资助项目~~
关键词
滤波器
谐波
检测/瞬时无功功率理论
频率自适应
filiter
harmonic
extraction / instantaneous reactive power theory
frequency self-adaptive