Frequency-Adaptive Multi-Resonant LQG State-Feedback Current Controller for LCL-Filtered VSCs under Distorted Grid Voltages

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dc.contributor.author Huerta Sánchez, Francisco
dc.contributor.author Pérez, Jorge
dc.contributor.author Cóbreces Alvarez, Santiago
dc.contributor.author Rizo, Mario
dc.date.accessioned 2018-04-06T08:33:31Z
dc.date.available 2018-04-06T08:33:31Z
dc.date.issued 2018-03-09
dc.identifier.bibliographicCitation Huerta, F., Pérez, J., Cóbreces, S., Rizo, M. (2018). Frequency-Adaptive Multi-Resonant LQG State-Feedback Current Controller for LCLFiltered VSCs under Distorted Grid Voltages. IEEE Transactions on Industrial Electronics, pp.(99), Mar. 2018.
dc.identifier.issn 0278-0046
dc.identifier.uri http://hdl.handle.net/10016/26593
dc.description.abstract This paper combines the well-known linear quadratic Gaussian (LQG) control and frequency-adaptive resonators and presents a frequency-adaptive multiresonant LQG state-feedback current controller for LCLfiltered voltage-source converters connected to a distorted grid. The paper also provides a design guideline and procedure based on robust control criteria which, in combination with the linear quadratic regulator (LQR) technique, offers flexibility in the control structure and automatizes the design of the controller. The frequencyadaptive resonators, based on second-order IIR resonators and on an on-line tuning algorithm, and the robustness criteria considered for the design process offer robustness in the face of grid voltage disturbances.The controller is evaluated and validated in a 9-kVA VSC setup configured as a rectifier.
dc.description.sponsorship This work was supported in part by the Government of Spain through the Ministerio de Economía, Industria y Competitividad and Agencia Estatal de Investigación under Grants ENE2014-57760-C2-2-R, RTC-2015-3803-3, DPI2017-88505-C2-2-R and DPI2017-92258-EXP.
dc.format.extent 12
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher IEEE
dc.rights © 2016 IEEE
dc.subject.other Grid-connected converter
dc.subject.other LCL filter
dc.subject.other State-space current control
dc.subject.other Digital control
dc.subject.other frequency adaptive
dc.subject.other Multi-resonant controller
dc.subject.other Harmonic mitigation
dc.title Frequency-Adaptive Multi-Resonant LQG State-Feedback Current Controller for LCL-Filtered VSCs under Distorted Grid Voltages
dc.type article
dc.subject.eciencia Electrónica
dc.identifier.doi https://doi.org/10.1109/TIE.2018.2814004
dc.rights.accessRights openAccess
dc.relation.projectID Gobierno de España. ENE2014-57760-C2-2-R
dc.relation.projectID Gobierno de España. RTC-2015-3803-3
dc.relation.projectID Gobierno de España. DPI2017-88505-C2-2-R
dc.relation.projectID Gobierno de España. DPI2017-92258-EXP
dc.type.version acceptedVersion
dc.identifier.publicationfirstpage 1
dc.identifier.publicationissue 99
dc.identifier.publicationlastpage 11
dc.identifier.publicationtitle IEEE Transactions on Industrial Electronics
dc.identifier.uxxi AR/0000020993
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