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Modeling and Control of <formula formulatype="inline"> <tex Notation="TeX">$N$</tex> </formula>-Paralleled Grid-Connected Inverters With LCL Filter Coupled Due to Grid Impedance in PV Plants
Abstract
Designing adequate control laws for grid-connected inverters with LCL filters is complicated. The power quality standards and the system resonances burden the task. In order to deal with resonances, system damping has to be implemented. Active damping is preferred to passive damping so as to improve the efficiency of the conversion. In addition, paralleled grid-connected inverters in photovoltaic (PV) plants are coupled due to grid impedance. Generally, this coupling is not taken into account when designing the control laws. In consequence, depending on the number of paralleled grid-connected inverters and the grid impedance, the inverters installed in PV plants do not behave as expected. In this paper, the inverters of a PV plant are modeled as a multivariable system. The analysis carried out enables to obtain an equivalent inverter that describes the totality of inverters of a PV plant. The study is validated through simulation and field experiments. The coupling effect is described and the control law design of paralleled grid-connected inverters with LCL filters in PV plants is clarified.
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Cited by
Investigation and Active Damping of Multiple Resonances in a Parallel-Inverter-Based Microgrid
He, J., Li, Y. W., Bosnjak, D., & Harris, B. (2013) · IEEE Transactions on Power Electronics · doi:10.1109/tpel.2012.2195032 · Cited by 466
A survey on control of electric power distributed generation systems for microgrid applications
Bouzid, A. M., Guerrero, J. M., Cheriti, A., Bouhamida, M., Sicard, P., & Benghanem, M. (2015) · Renewable and Sustainable Energy Reviews · doi:10.1016/j.rser.2015.01.016 · Cited by 401
Charging Infrastructure and Grid Integration for Electromobility
Rivera, S., Goetz, S. M., Kouro, S., Lehn, P. W., Pathmanathan, M., Bauer, P., & Mastromauro, R. A. (2023) · Proceedings of the IEEE · doi:10.1109/jproc.2022.3216362 · Cited by 233
Analysis and Stabilization of a Smart Transformer-Fed Grid
Zou, Z.-X., Buticchi, G., & Liserre, M. (2018) · IEEE Transactions on Industrial Electronics · doi:10.1109/tie.2017.2733450 · Cited by 41
Metadata
- Authors
- Agorreta, J. L., Borrega, M., López, J., & Marroyo, L.
- Venue
- IEEE Transactions on Power Electronics
- Published
- 2011-03
- Volume
- 26
- Issue
- 3
- Pages
- 770-785
- ISSN
- 0885-8993 (ISSN-L)
- 1941-0107
- OpenAlex
- W2110441245
- Cited by
- 596
- References
- 0
- FWCI
- 29.21
- Type
- journal article
- Language
- en
- Open access
- closed
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- CoChat. (2026). Citation check: Modeling and Control of <formula formulatype="inline"> <tex Notation="TeX">$N$</tex> </formula>-Paralleled Grid-Connected Inverters With LCL Filter Coupled Due to Grid Impedance in PV Plants. https://app.cochat.ai/papers/10.1109/tpel.2010.2095429
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- Agorreta, J. L., Borrega, M., López, J., & Marroyo, L. (2011). Modeling and Control of <formula formulatype="inline"> <tex Notation="TeX">$N$</tex> </formula>-Paralleled Grid-Connected Inverters With LCL Filter Coupled Due to Grid Impedance in PV Plants. IEEE Transactions on Power Electronics. https://doi.org/10.1109/tpel.2010.2095429
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