An adaptive proportional resonant controller for single phase PV grid connected inverter based on band-pass filter technique

H. Khalfalla, S. Ethni, Maher Al-Greer, V. Pickert, M. Armstrong

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper presents an adaptive proportional resonant (PR) controller for single phase grid connected inverter that adapts its control parameters to grid impedance variations. Forth order band bass filter is designed and then integrated with the adaptive scheme for on-line detection of any variations in the resonance frequency. The estimated frequency is then processed by statistical signal processing operation to identify the variations in the grid impedance. For the on-line tuning of the PR parameters, a look-up table technique is utilized and its parameters are linked with the estimated impedance values. Simulation results based on MATLAB environment clearly verify the effectiveness of the proposed control scheme for 2 kW grid connected inverter system.

Original languageEnglish
Title of host publication11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages436-441
Number of pages6
ISBN (Electronic)9781509049639
DOIs
Publication statusPublished - 1 May 2017
Event11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering - Cadiz, Spain
Duration: 4 Apr 20176 Apr 2017

Conference

Conference11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering
Abbreviated titleCPE-POWERENG 2017
CountrySpain
CityCadiz
Period4/04/176/04/17

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    Khalfalla, H., Ethni, S., Al-Greer, M., Pickert, V., & Armstrong, M. (2017). An adaptive proportional resonant controller for single phase PV grid connected inverter based on band-pass filter technique. In 11th IEEE International Conference on Compatibility, Power Electronics and Power Engineering, CPE-POWERENG 2017 (pp. 436-441). [7915211] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CPE.2017.7915211