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Cited by 264

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A Flexible Selective Harmonic Mitigation Technique to Meet Grid Codes in Three-Level PWM Converters

Franquelo, Leopoldo Garcia, Napoles, Javier, Guisado, RamÓn C. Portillo, Leon, JosÉ Ignacio, Aguirre, Miguel A.·2007·IEEE Transactions on Industrial Electronics

Abstract

Due to the development of new grid codes, power converters' output signal harmonic control is currently becoming extremely important in medium- and high-power applications. By taking this new scenario into account, a new method to generate switching three-level pulsewidth-modulation (PWM) patterns to meet specific grid codes is presented. The proposed method, which is named selective harmonic mitigation PWM , generates switching three-level PWM patterns with high quality from the point of view of harmonic content, avoiding the elimination of some specific harmonics and studying all harmonics and the total harmonic distortion as a global problem by using a general-purpose random-search heuristic algorithm. This fact leads to a drastic reduction or even avoidance of the bulky and costly grid connection tuned filters of power systems. Any harmonic shaping can be considered due to the flexibility of the method. Power devices switching constraints are considered to obtain directly applicable results. As a practical example, limits from one actual grid code have been used to get the experimental results by means of a 150-kVA three-level diode-clamped converter test bench. Comparisons between the proposed technique, optimized PWM and Selective Harmonic Elimination methods have been carried out. The results obtained with this new method greatly improve previous ones.

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Metadata

Authors
Franquelo, L. G., Napoles, J., Guisado, R. C. P., Leon, J. I., & Aguirre, M. A.
Venue
IEEE Transactions on Industrial Electronics
Published
2007-12
Volume
54
Issue
6
Pages
3022-3029
ISSN
0278-0046 (ISSN-L)
OpenAlex
W2101765119
Cited by
264
References
10
FWCI
9.77
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Flexible Selective Harmonic Mitigation Technique to Meet Grid Codes in Three-Level PWM Converters. https://app.cochat.ai/papers/10.1109/tie.2007.907045
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Franquelo, L. G., Napoles, J., Guisado, R. C. P., Leon, J. I., & Aguirre, M. A. (2007). A Flexible Selective Harmonic Mitigation Technique to Meet Grid Codes in Three-Level PWM Converters. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2007.907045

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