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论文类型：期刊论文

发表时间：2022-06-29

发表刊物：电源学报

期号：6

页面范围：23-26

摘要：According to the principle of self-sensing actuators, a novel method measuring and suppressing harmonics was proposed. This approach could not only guarantee the performance in suppressing harmonics at normal operation state, but also ensure not to amplify harmonics in case of malfunctioning. Firstly, harmonic power signal was sampled, and then its frequency was estimated with autocorrelation function method and further improved with RLS algorithm. Based on the estimated value of frequency, an inverted suppression harmonic signal is generated to offset original harmonic. To update the weights of each harmonic offset signal in real-time, with the knowledge of last moment offset error, an adaptive algorithm LMS is employed. The experimental results show that the proposed filter has good command of control.

备注：新增回溯数据