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Coordination Control Strategy for AC/DC Hybrid Microgrids in Stand-Alone Mode

Author

Listed:
  • Dwi Riana Aryani

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea)

  • Hwachang Song

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea)

Abstract

Interest in DC microgrids is rapidly increasing along with the improvement of DC power technology because of its advantages. To support the integration process of DC microgrids with the existing AC utility grids, the form of hybrid AC/DC microgrids is considered for higher power conversion efficiency, lower component cost and better power quality. In the system, AC and DC portions are connected through interlink bidirectional AC/DC converters (IC) with a proper control system and power management. In the stand-alone operation mode of AC/DC hybrid microgrids, the control of power injection through the IC is crucial in order to maintain the system security. This paper mainly deals with a coordination control strategy of IC and a battery energy storage system (BESS) converter under stand-alone operation. A coordinated control strategy for the IC, which considers the state of charge (SOC) level of BESS and the load shedding scheme as the last resort, is proposed to obtain better power sharing between AC and DC subgrids. The scheme will be tested with a hybrid AC/DC microgrid, using the tool of the PSCAD/EMTDC software.

Suggested Citation

  • Dwi Riana Aryani & Hwachang Song, 2016. "Coordination Control Strategy for AC/DC Hybrid Microgrids in Stand-Alone Mode," Energies, MDPI, vol. 9(6), pages 1-20, June.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:6:p:469-:d:72313
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    Citations

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    Cited by:

    1. Mahdi Shahparasti & Mehdi Savaghebi & Majid Hosseinpour & Navid Rasekh, 2020. "Enhanced Circular Chain Control for Parallel Operation of Inverters in UPS Systems," Sustainability, MDPI, vol. 12(19), pages 1-16, September.
    2. Nan Jin & Leilei Guo & Gang Yao, 2017. "Model Predictive Direct Power Control for Nonredundant Fault Tolerant Grid-Connected Bidirectional Voltage Source Converter," Energies, MDPI, vol. 10(8), pages 1-16, August.
    3. Dwi Riana Aryani & Jung-Su Kim & Hwachang Song, 2017. "Interlink Converter with Linear Quadratic Regulator Based Current Control for Hybrid AC/DC Microgrid," Energies, MDPI, vol. 10(11), pages 1-26, November.
    4. Jingpeng Yue & Zhijian Hu & Chendan Li & Juan C. Vasquez & Josep M. Guerrero, 2017. "Economic Power Schedule and Transactive Energy through an Intelligent Centralized Energy Management System for a DC Residential Distribution System," Energies, MDPI, vol. 10(7), pages 1-14, July.
    5. Yalin Liang & Yuyao He & Yun Niu, 2022. "Robust Errorless-Control-Targeted Technique Based on MPC for Microgrid with Uncertain Electric Vehicle Energy Storage Systems," Energies, MDPI, vol. 15(4), pages 1-23, February.
    6. Wenzheng Xu & Nelson Hon Lung Chan & Siu Wing Or & Siu Lau Ho & Ka Wing Chan, 2017. "A New Control Method for a Bi-Directional Phase-Shift-Controlled DC-DC Converter with an Extended Load Range," Energies, MDPI, vol. 10(10), pages 1-17, October.
    7. Robert Salas-Puente & Silvia Marzal & Raúl González-Medina & Emilio Figueres & Gabriel Garcera, 2017. "Experimental Study of a Centralized Control Strategy of a DC Microgrid Working in Grid Connected Mode," Energies, MDPI, vol. 10(10), pages 1-25, October.
    8. Akhtar Hussain & Van-Hai Bui & Hak-Man Kim, 2017. "Fuzzy Logic-Based Operation of Battery Energy Storage Systems (BESSs) for Enhancing the Resiliency of Hybrid Microgrids," Energies, MDPI, vol. 10(3), pages 1-19, February.
    9. Weiqiang Dong & Yanjun Li & Ji Xiang, 2016. "Optimal Sizing of a Stand-Alone Hybrid Power System Based on Battery/Hydrogen with an Improved Ant Colony Optimization," Energies, MDPI, vol. 9(10), pages 1-17, September.
    10. Lei Chen & Xiude Tu & Hongkun Chen & Jun Yang & Yayi Wu & Xin Shu & Li Ren, 2016. "Technical Evaluation of Superconducting Fault Current Limiters Used in a Micro-Grid by Considering the Fault Characteristics of Distributed Generation, Energy Storage and Power Loads," Energies, MDPI, vol. 9(10), pages 1-21, September.
    11. Łukasz Rokicki, 2021. "Optimization of the Configuration and Operating States of Hybrid AC/DC Low Voltage Microgrid Using a Clonal Selection Algorithm with a Modified Hypermutation Operator," Energies, MDPI, vol. 14(19), pages 1-24, October.

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