基于改进的自适应锁相环的分次谐波检测优化算法研究

Study on optimal algorithm of selective harmonic detection based on improved adaptive phase locked loop

为了能够有效地治理谐波,提高电力系统中谐波信息的检测精度,提出了自适应锁相环的分次谐波检测优化算法。首先,研究了改进自适应锁相环的设计方法,并且构造了相应的数学模型;其次,设计了分次谐波检测优化算法。最后,进行了实例仿真分析,仿真结果表明该方法能够有效地提高系统的抗干扰能力,并且能够提高分次谐波的检测精度。

In order to manage the harmonic effectively, and improve the detection precision of harmonicinformation in power system, and the optimal algorithm of selective harmonic detection based onadaptive phase locked loop is put forward. Firstly, the design method of improved adaptive phase lockedloop is studied, and corresponding mathematical model is constructed. Secondly, optimal algorithm ofselective harmonic detection is designed. Finally, a case study is carried out based on simulationmethod, and simulation results show that this method can improve the anti-interference capability ofsystem and improve the selective harmonic detection precision.