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A novel control strategy for grid connected distributed generation system to maximize power delivery capability

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  • Çelik, Doğan
  • Meral, Mehmet Emin

Abstract

The energy sector is moving toward an extensive utilization of hybrid renewable energy resources (HRES), which are commonly interfaced to the utility grid through the inverters. Therefore, the proper operation of the grid connected inverter has brought major requirements under unbalanced grid faults. In this regard, this paper proposes a novel control strategy to maximize power delivery capability of the grid connected inverter interfaced distributed generation (DG) systems. The proposed control strategy achieves power flow and power sharing among DG units, the utility grid and load demand with a power management system. Minimization and controllability of active-reactive power oscillations are fulfilled with a flexible control parameter. An improved positive and negative sequence extractor (PNS) is proposed to separate sequence components for use in the reference current generator. The proposed PNS extractor provides a significant improvement in terms of response time as less than one period-(18 ms) compared to existing techniques. The proposed control strategy achieves also high performance with lower total harmonic distortion about 0.5%. Another novelty of this paper is that a current limitation control is inserted into the reference current generator for overcurrent protection. Comparative evaluation of the proposed control strategy is performed and confirmed under various cases.

Suggested Citation

  • Çelik, Doğan & Meral, Mehmet Emin, 2019. "A novel control strategy for grid connected distributed generation system to maximize power delivery capability," Energy, Elsevier, vol. 186(C).
    • Handle: RePEc:eee:energy:v:186:y:2019:i:c:s0360544219315221
    DOI: 10.1016/j.energy.2019.115850
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    Citations

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    Cited by:

    1. Barbie, Eli & Rabinovici, Raul & Kuperman, Alon, 2021. "Analytical formulation and optimization of Weighted Total Harmonic Distortion in three-phase staircase modulated multilevel inverters," Energy, Elsevier, vol. 215(PA).
    2. Xiu, Liancheng & Du, Zhiye & Wu, BinBing & Li, Guanjun & Wang, Dongjie & Song, Hanliang, 2021. "A novel adaptive frequency extraction method for fast and accurate connection between inverters and microgrids," Energy, Elsevier, vol. 221(C).
    3. Mahesh Kumar & Amir Mahmood Soomro & Waqar Uddin & Laveet Kumar, 2022. "Optimal Multi-Objective Placement and Sizing of Distributed Generation in Distribution System: A Comprehensive Review," Energies, MDPI, vol. 15(21), pages 1-48, October.
    4. Javed, Muhammad Shahzad & Ma, Tao & Jurasz, Jakub & Canales, Fausto A. & Lin, Shaoquan & Ahmed, Salman & Zhang, Yijie, 2021. "Economic analysis and optimization of a renewable energy based power supply system with different energy storages for a remote island," Renewable Energy, Elsevier, vol. 164(C), pages 1376-1394.
    5. Ackermann, Simon & Szabo, Andrei & Bamberger, Joachim & Steinke, Florian, 2022. "Design and optimization of performance guarantees for hybrid power plants," Energy, Elsevier, vol. 239(PA).
    6. Terfa, H. & Baghli, L. & Bhandari, R., 2022. "Impact of renewable energy micro-power plants on power grids over Africa," Energy, Elsevier, vol. 238(PA).
    7. Muñoz-Rodríguez, Francisco José & Jiménez-Castillo, Gabino & de la Casa Hernández, Jesús & Aguilar Peña, Juan Domingo, 2021. "A new tool to analysing photovoltaic self-consumption systems with batteries," Renewable Energy, Elsevier, vol. 168(C), pages 1327-1343.

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