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Multiresonant Frequency-Locked Loop for Grid Synchronization of Power Converters Under Distorted Grid Conditions
Open accessAbstract
This paper presents a new multiresonant frequency-adaptive synchronization method for grid-connected power converters that allows estimating not only the positive- and negative-sequence components of the power signal at the fundamental frequency but also other sequence components at other harmonic frequencies. The proposed system is called MSOGI-FLL since it is based on both a harmonic decoupling network consisting of multiple second-order generalized integrators (MSOGIs) and a frequency-locked loop (FLL), which makes the system frequency adaptive. In this paper, the MSOGI-FLL is analyzed for single- and three-phase applications, deducing some key expressions regarding its stability and tuning. Moreover, the performance of the MSOGI-FLL is evaluated by both simulations and experiments to show its capability for detecting different harmonic components in a highly polluted grid scenario.
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Citations
Cited by
Leon, J. I., Vazquez, S., & Franquelo, L. G. (2017) · Proceedings of the IEEE · doi:10.1109/jproc.2017.2726583 · Cited by 481
Camacho, A., Castilla, M., Miret, J., Borrell, A., & de Vicuna, L. G. (2015) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2014.2347266 · Cited by 300
Steady-State Modeling of Modular Multilevel Converter Under Unbalanced Grid Conditions
Shi, X., Wang, Z., Liu, B., Li, Y., Tolbert, L. M., & Wang, F. (2017) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2016.2629472 · Cited by 73
Change‐detection algorithm for short‐circuit fault detection in closed‐loop AC drives
Meinguet, F., Semail, E., Kestelyn, X., Mollet, Y., & Gyselinck, J. (2014) · IET Electric Power Applications · doi:10.1049/iet-epa.2012.0316 · Cited by 34
Metadata
- Authors
- Rodriguez, P., Luna, A., Candela, I., Mujal, R., Teodorescu, R., & Blaabjerg, F.
- Venue
- IEEE Transactions on Industrial Electronics
- Published
- 2011-01
- Volume
- 58
- Issue
- 1
- Pages
- 127-138
- ISSN
- 0278-0046 (ISSN-L)
- 1557-9948
- OpenAlex
- W2006246155
- Cited by
- 1,112
- References
- 0
- FWCI
- 66.92
- Type
- journal article
- Language
- en
- Open access
- green
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- Rodriguez, P., Luna, A., Candela, I., Mujal, R., Teodorescu, R., & Blaabjerg, F. (2011). Multiresonant Frequency-Locked Loop for Grid Synchronization of Power Converters Under Distorted Grid Conditions. IEEE Transactions on Industrial Electronics. https://doi.org/10.1109/tie.2010.2042420
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