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Title: Nonlinear robust control of 3 phase inverter with output LC filter
Authors: Okur, Beytullah
Zergeroğlu, Erkan
Şeker, Murat
Tatlıcıoğlu, Enver
Keywords: Output LC filter
Three phase inverter
Robust control
Feedback control
Issue Date: 2014
Publisher: Elsevier Ltd.
Source: Okur, B., Zergeroğlu, E. and Şeker, M. (2014). Nonlinear robust control of 3 phase inverter with output LC filter. IFAC Proceedings Volumes, 19, 529-533. doi:10.3182/20140824-6-ZA-1003.01518
Abstract: Three phase inverters are commonly used to transfer energy from a source to the power grid. The quality of the power delivered to the grid, can be ensured via the use of an output LC filter. However inserting an output filter to an inverter circuitry would introduce new challenges to the controller design due to the additional parametric uncertainties imposed. In this study we present a new model based robust controller for a three phase inverter with output LC filter under the constraint that the output filter parameters are not exactly known. Specifically, d-q reference frame model of an inverter with output LC filter is used to develop a nonlinear robust controller that ensures the 3-phase output voltage with desired amplitude and frequency and with lowest harmonic distortion. Stability of the proposed method and the boundedness of the closed-loop system, is established via Lyapunov based tools in conjunction with a robust backstepping procedure. Simulation results are given in order to demonstrate performance and effectiveness of the proposed robust controller. © IFAC.
Description: 19th IFAC World Congress on International Federation of Automatic Control, IFAC 2014; Cape Town; South Africa; 24 August 2014 through 29 August 2014
ISSN: 1474-6670
Appears in Collections:Electrical - Electronic Engineering / Elektrik - Elektronik Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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