Small Signal Modeling of Inverter-based Grid-Connected Microgrid to Determine the Zero-Pole Drift Control with Dynamic Power Sharing Controller

Authors

  • E. Pathan Department of Electrical Power Engineering, Universiti Tun Hussein Onn Malaysia, Malaysia
  • S. A. Zulkifli Department of Electrical Power Engineering, Universiti Tun Hussein Onn Malaysia, Malaysia
  • U. B. Tayab School of Engineering and Built Environment, Griffith University, Australia
  • R. Jackson Department of Electrical Power Engineering, Universiti Tun Hussein Onn Malaysia, Malaysia
Volume: 9 | Issue: 1 | Pages: 3790-3795 | February 2019 | https://doi.org/10.48084/etasr.2465

Abstract

This paper presents a small signal state space modeling of three-phase inverter-based microgrid (MG) system with consideration of improved droop control. The complete system matrices for one distribution source-grid connects to the local load have been elaborated by applying high, medium and low-frequency clusters to the system without considering the switching action on the inverter during power-sharing. Moreover, the final matrices will be used to determine the location of the eigenvalues for the control parameters gains due to dynamic effect of the MG, by observing the root locus graph on cluster identification. Sensitivity analysis of all types of frequency cluster showed that power-sharing control parameters such as load current, source current, and inverter voltage are influencing system stability and must be considered when designing the proportional-integral (PI) control when different load scenarios have been applied from the zero-pole drifting. Those eigenvalues of the system model are indicating the frequency and damping oscillatory components when there is sudden changed at the inverter-grid connection. The matrices’ eigenvalues are being plotted using MATLAB/Simulink to identify system stability region and find the PI controller parameters.

Keywords:

power sharing control, microgrid, power-sharing control, small-signal stability

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References

F. Blaabjerg, R. Teodorescu, M. Liserre, A. V Timbus, “Overview of Control and Grid Synchronization for Distributed Power Generation Systems”, IEEE Transactions on Industrial Electronics, Vol. 53, No. 5, pp. 1398-1409, 2006 DOI: https://doi.org/10.1109/TIE.2006.881997

A. Vidal, F. D. Freijedo, A. G. Yepes, P. Fernandez-Comesana, J. Malvar, O. Lopez, J. Doval-Gandoy, “Assessment and optimization of the transient response of proportional-resonant current controllers for distributed power generation systems”, IEEE Transactions on Industrial Electronics, Vol. 60, No. 4, pp. 1367-1383, 2013 DOI: https://doi.org/10.1109/TIE.2012.2188257

IEEE Standards Coordinating Committee, 1547.4-2011-IEEE Guide for Design, Operation, and Integration of Distributed Resource Island Systems with Electric Power Systems, IEEE, 2011

Y. Han, M. Luo, X. Zhao, J. M. Guerrero, L. Xu, “Comparative Performance Evaluation of Orthogonal-Signal-Generators-Based Single-Phase PLL Algorithms - A Survey”, IEEE Transactions on Power Electronics, Vol. 31, No. 5, pp. 3932-3944, 2016 DOI: https://doi.org/10.1109/TPEL.2015.2466631

P. Shen, Y. Han, C. Lu, J. M. Guerrero, “Small-signal modeling of the PVR-based AD scheme and controller design for three-phase standalone DG system”, Journal of Electrical Engineering & Technology, Vol. 11, No. 5, pp. 1165-1178, 2016 DOI: https://doi.org/10.5370/JEET.2016.11.5.1165

F. Katiraei, M. R. Iravani, P. W. Lehn, “Small-signal dynamic model of a micro-grid including conventional and electronically interfaced distributed resources”, IET Generation, Transmission & Distribution, Vol. 1, No. 3, pp. 369-378, 2007 DOI: https://doi.org/10.1049/iet-gtd:20045207

N. Pogaku, M. Prodanovic, T. C. Green, “Modeling, analysis and testing of autonomous operation of an inverter-based microgrid”, IEEE Transactions on Power Electronics, Vol. 22, No. 2, pp. 613-625, 2007 DOI: https://doi.org/10.1109/TPEL.2006.890003

M. Rasheduzzaman, J. Mueller, J. W. Kimball, “Small-signal modeling of a three-phase isolated inverter with both voltage and frequency droop control”, 2014 IEEE Applied Power Electronics Conference and Exposition, Fort Worth, USA, March 16-20, 2014 DOI: https://doi.org/10.1109/APEC.2014.6803431

W. R. Issa, M. A. Abusara, S. M. Sharkh, “Control of Transient Power during Unintentional Islanding of Microgrids”, IEEE Transactions on Power Electronics, Vol. 30, No. 8, pp. 4573-4584, 2015 DOI: https://doi.org/10.1109/TPEL.2014.2359792

U. B. Tayab, M. Azrik, B. Roslan, L. J. Hwai, M. Kashif, “A review of droop control techniques for microgrid”, Renewable and Sustainable Energy Reviews, Vol. 76, pp. 717-727, 2017 DOI: https://doi.org/10.1016/j.rser.2017.03.028

W. Issa, M. Abusara, S. Sharkh, T. Mallick, “A small signal model of an inverter-based microgrid including DC link voltages”, 17th European Conference on Power Electronics and Applications, Geneva, Switzerland, September 8-10, 2015 DOI: https://doi.org/10.1109/EPE.2015.7309119

U. B. Tayab, Q. M. Humayun, “Enhanced droop controller for operating parallel-connected distributed-generation inverters in a microgrid”, Journal of Renewable and Sustainable Energy, Vol. 10, No. 4, 2018 DOI: https://doi.org/10.1063/1.5016422

U. B. Tayab, M. Kashif, “A modified droop controller for parallel operation of single-phase inverters in Islanded microgrid”, International Journal of Intelligent Engineering & Systems, Vol. 10, No. 4, pp. 11-17, 2017 DOI: https://doi.org/10.22266/ijies2017.0831.02

R. S. Herrera, P. Salmeron, J. R. Vazquez, S. P. Litran, A. Perez, “Generalized instantaneous reactive power theory in poly-phase power systems”, 13th European Conference on Power Electronics and Applications, Barcelona, Spain, September 8-10, 2009

A. Tuladhar, H. Jin, T. Unger, K. Mauch, “Control of parallel inverters in distributed AC power systems with consideration of line impedance effect”, IEEE Transactions on Industrial Applications, Vol. 36, No. 1, pp. 131-138, 2000 DOI: https://doi.org/10.1109/28.821807

B. Zhang, X. Yan, D. Li, X. Zhang, J. Han, X. Xiao, “Stable Operation and Small-Signal Analysis of Multiple Parallel DG Inverters Based on a Virtual Synchronous Generator Scheme”, Energies, Vol. 11, No. 1, pp. 1-22, 2018 DOI: https://doi.org/10.3390/en11010203

K. Hashmi, M. M. Khan, S. Habib, H. Tang, “An Improved Control Scheme for Power Sharing between Distributed Power Converters in Islanded AC Microgrids”, International Conference on Frontiers of Information Technology, Islamabad, Pakistan, December 8-20, 2017 DOI: https://doi.org/10.1109/FIT.2017.00055

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How to Cite

[1]
E. Pathan, S. A. Zulkifli, U. B. Tayab, and R. Jackson, “Small Signal Modeling of Inverter-based Grid-Connected Microgrid to Determine the Zero-Pole Drift Control with Dynamic Power Sharing Controller”, Eng. Technol. Appl. Sci. Res., vol. 9, no. 1, pp. 3790–3795, Feb. 2019.

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