Harmonic identification based on DSC and MAF for three-phase shunt active power filter

Publisher:
IEEE
Publication Type:
Conference Proceeding
Citation:
2019 29th Australasian Universities Power Engineering Conference (AUPEC), 2020, 00
Issue Date:
2020
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© 2019 IEEE. Harmonic current identification is very important in control of Active Power Filters. The dq Synchronous Reference Frame (SRF) based reference-current extraction technique has been widely utilized for this purpose. The dynamic performance of reference-current detection is dependent on numerical filters. In this paper, the two most popular filters, Delayed Signal Cancellation (DSC) and Moving Average Filter (MAF) are utilized in the rotating reference frame for both fundamental component identification and selective harmonic identification. A comprehensive comparison of the performance of these two filters is then carried out. Experimental results from digital implementation are provided to substantiate the theoretical analysis and simulation results.
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