Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions

Emre Ozsoy; Sanjeevikumar Padmanaban; Pierluigi Siano; Fiaz Ahmad; Rasool Akhtar; Asif Sabanovic; Vincenzo Loia

doi:10.20944/preprints201705.0136.v1

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preprints.org > engineering > electrical and electronic engineering > doi: 10.20944/preprints201705.0136.v1

Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions

Emre Ozsoy

Sanjeevikumar Padmanaban

^* ,

^* ,

Version 1 : Received: 17 May 2017 / Approved: 18 May 2017 / Online: 18 May 2017 (04:40:16 CEST)

How to cite: Ozsoy, E.; Padmanaban, S.; Siano, P.; Ahmad, F.; Akhtar, R.; Sabanovic, A.; Loia, V. Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions. Preprints 2017, 2017050136. https://doi.org/10.20944/preprints201705.0136.v1 Ozsoy, E.; Padmanaban, S.; Siano, P.; Ahmad, F.; Akhtar, R.; Sabanovic, A.; Loia, V. Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions. Preprints 2017, 2017050136. https://doi.org/10.20944/preprints201705.0136.v1

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MDPI and ACS Style

Ozsoy, E.; Padmanaban, S.; Siano, P.; Ahmad, F.; Akhtar, R.; Sabanovic, A.; Loia, V. Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions. Preprints 2017, 2017050136. https://doi.org/10.20944/preprints201705.0136.v1

APA Style

Ozsoy, E., Padmanaban, S., Siano, P., Ahmad, F., Akhtar, R., Sabanovic, A., & Loia, V. (2017). Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions. Preprints. https://doi.org/10.20944/preprints201705.0136.v1

Chicago/Turabian Style

Ozsoy, E., Asif Sabanovic and Vincenzo Loia. 2017 "Instantaneous Symmetrical Component Estimator Using Second Order Generalized Integrator under Distorted Voltage Conditions" Preprints. https://doi.org/10.20944/preprints201705.0136.v1

Abstract

Frequency, amplitude and phase information of the grid voltage are of great importance in constructing a robust controller structure for grid connected inverter systems. This paper presents a simple and robust approach for the instantaneous estimation of positive and negative sequence voltage components under distorted voltage conditions. A second order generalized integrator (SOGI) is used to filter the distorted voltage and to generate orthogonal voltage components for each of the three phases. These filtered and orthogonal components are used for instantaneous calculation of symmetrical components. The implemented method is frequency adaptive; the method is demonstrated and compared to a conventional phase locked loop (PLL) technique with both MATLAB/Simulink simulations and experiments utilizing the dSPACE ds1103 digital controller.

Keywords

generalized integrator; grid connected inverters; phase locked loops; renewable energy; symmetrical components; unbalanced voltage

Subject

Engineering, Electrical and Electronic Engineering

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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