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Improved Direct Deadbeat Voltage Control with an Actively Damped Inductor-Capacitor Plant Model in an Islanded AC Microgrid

Author

Listed:
  • Jaehong Kim

    (Department of Electrical Engineering, Chosun University, 309, Pilmun-daero, Dong-gu, Gwangju 61452, Korea)

  • Jitae Hong

    (Precision Control Research Center, Korea Electrotechnology Research Institute (KERI), 12, Bulmosan-ro 10beon-gil, Seongsan-gu, Changwon-si, Gyeongsangnam-do 51543, Korea)

  • Hongju Kim

    (Precision Control Research Center, Korea Electrotechnology Research Institute (KERI), 12, Bulmosan-ro 10beon-gil, Seongsan-gu, Changwon-si, Gyeongsangnam-do 51543, Korea)

Abstract

A direct deadbeat voltage control design method for inverter-based microgrid applications is proposed in this paper. When the inductor-capacitor (LC) filter output voltage is directly controlled using voltage source inverters (VSIs), the plant dynamics exhibit second-order resonant characteristics with a load current disturbance. To effectively damp the resonance caused by the output LC filter, an active damping strategy that does not cause additional energy loss is utilized. The proposed direct deadbeat voltage control law is devised from a detailed, actively damped LC plant model. The proposed deadbeat control method enhances voltage control performance owing to its better disturbance rejection capability than the conventional deadbeat or proportional-integral-based control methods. The most important advantage of the proposed deadbeat control method is that it makes the deadbeat control more robust by bringing discrete closed-loop poles closer to the origin. Simulation and experimental results are shown to verify the enhanced voltage control performance and stability of the proposed voltage control method.

Suggested Citation

  • Jaehong Kim & Jitae Hong & Hongju Kim, 2016. "Improved Direct Deadbeat Voltage Control with an Actively Damped Inductor-Capacitor Plant Model in an Islanded AC Microgrid," Energies, MDPI, vol. 9(11), pages 1-15, November.
    • Handle: RePEc:gam:jeners:v:9:y:2016:i:11:p:978-:d:83426
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    References listed on IDEAS

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    1. Yiqi Liu & Jianze Wang & Ningning Li & Yu Fu & Yanchao Ji, 2015. "Enhanced Load Power Sharing Accuracy in Droop-Controlled DC Microgrids with Both Mesh and Radial Configurations," Energies, MDPI, vol. 8(5), pages 1-15, April.
    2. Woo-Kyu Chae & Jong-Nam Won & Hak-Ju Lee & Jae-Eon Kim & Jaehong Kim, 2016. "Comparative Analysis of Voltage Control in Battery Power Converters for Inverter-Based AC Microgrids," Energies, MDPI, vol. 9(8), pages 1-18, July.
    3. Xiaohong Ran & Shihong Miao & Yingjie Wu, 2015. "Improved Adaptive Droop Control Design for Optimal Power Sharing in VSC-MTDC Integrating Wind Farms," Energies, MDPI, vol. 8(7), pages 1-22, July.
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    Cited by:

    1. En-Chih Chang & Chun-An Cheng & Lung-Sheng Yang, 2019. "Nonsingular Terminal Sliding Mode Control Based on Binary Particle Swarm Optimization for DC–AC Converters," Energies, MDPI, vol. 12(11), pages 1-14, June.
    2. Lynn Verkroost & Joachim Druant & Hendrik Vansompel & Frederik De Belie & Peter Sergeant, 2019. "Performance Degradation of Surface PMSMs with Demagnetization Defect under Predictive Current Control," Energies, MDPI, vol. 12(5), pages 1-20, February.
    3. Jaime A. Rohten & David N. Dewar & Pericle Zanchetta & Andrea Formentini & Javier A. Muñoz & Carlos R. Baier & José J. Silva, 2021. "Multivariable Deadbeat Control of Power Electronics Converters with Fast Dynamic Response and Fixed Switching Frequency," Energies, MDPI, vol. 14(2), pages 1-16, January.
    4. Youn-Ok Choi & Jaehong Kim, 2017. "Output Impedance Control Method of Inverter-Based Distributed Generators for Autonomous Microgrid," Energies, MDPI, vol. 10(7), pages 1-15, July.
    5. Md Alamgir Hossain & Hemanshu Roy Pota & Walid Issa & Md Jahangir Hossain, 2017. "Overview of AC Microgrid Controls with Inverter-Interfaced Generations," Energies, MDPI, vol. 10(9), pages 1-27, August.

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