Application of Adaptive Model-Based Scheme for Harmonic Diagnosis and Compensation of Grid-Connected Converters

Cheng I. Chen, Yeong Chin Chen

研究成果: 雜誌貢獻期刊論文同行評審

4 引文 斯高帕斯(Scopus)

摘要

Detection of fundamental and harmonic components is important to the control, protection, and compensation applications of grid-connected converters for the power-quality purposes. The conventional frequency-domain methods often suffer from the problems of at least one-cycle delay and dependence on frequency resolution. On the other hand, the numerical stability and robustness to interference are the necessary factors in the time-domain methods. To resolve the aforementioned issues, an adaptive model-based scheme with short sliding analysis window is proposed to track the frequency deviation and modify the analysis model with the online-sampled data to extract time-varying harmonics. Through the synchronized detection and accurate extraction of harmonics, the performance of proposed technique can be verified with several field measurement cases.

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文章編號7869320
頁(從 - 到)770-777
頁數8
期刊IEEE Transactions on Industrial Electronics
65
發行號1
DOIs
出版狀態已出版 - 1月 2018

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