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Grid Current Feedback Active Damping Control Based on Disturbance Observer for Battery Energy Storage Power Conversion System with LCL Filter

Author

Listed:
  • Ning Gao

    (Department of Electrical Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Xin Lin

    (Department of Electrical Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Weimin Wu

    (Department of Electrical Engineering, Shanghai Maritime University, Shanghai 201306, China)

  • Frede Blaabjerg

    (Department of Energy Technology, Aalborg University, DK-9220 Aalborg, Denmark)

Abstract

Adopting the battery energy storage system is an effective way to compensate the continuously growing fluctuating power generated by renewable sources. The power conversion system is considered as one of the core equipment used for interfacing battery packs to the grid in a battery energy storage system. This paper aims to apply an improved active damping control to a grid-tied power conversion system with LCL filter to attenuate its inherent resonance characteristics. The anti-interference ability is enhanced by estimating the second-order derivation of grid-injected current based on a modified disturbance observer. Meanwhile, the negative effects of parameter mismatch are equivalent to unmeasurable disturbances, which are possible to be compensated by subtracting the estimated values from the modulated voltage references. Moreover, the design method and robustness issue of the disturbance observer are discussed in detail. The presented control algorithm is implemented based on Simulink and dSpace. Detailed simulation results are provided, which can verify the feasibility and correctness of control strategy. Furthermore, an experimental prototype rated at 2.3 kW/110 V is constructed. The experimental results confirm that the presented control method is effective to be applied in the power conversion system (PCS).

Suggested Citation

  • Ning Gao & Xin Lin & Weimin Wu & Frede Blaabjerg, 2021. "Grid Current Feedback Active Damping Control Based on Disturbance Observer for Battery Energy Storage Power Conversion System with LCL Filter," Energies, MDPI, vol. 14(5), pages 1-16, March.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:5:p:1482-:d:513035
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    Citations

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    Cited by:

    1. Guilherme V. Hollweg & Shahid A. Khan & Shivam Chaturvedi & Yaoyu Fan & Mengqi Wang & Wencong Su, 2023. "Grid-Connected Converters: A Brief Survey of Topologies, Output Filters, Current Control, and Weak Grids Operation," Energies, MDPI, vol. 16(9), pages 1-31, April.
    2. Rafał Kuźniak & Artur Pawelec & Artur Bartosik & Marek Pawełczyk, 2022. "Determination of the Electricity Storage Power and Capacity for Cooperation with the Microgrid Implementing the Peak Shaving Strategy in Selected Industrial Enterprises," Energies, MDPI, vol. 15(13), pages 1-20, June.
    3. Agata Bielecka & Daniel Wojciechowski, 2021. "Stability Analysis of Shunt Active Power Filter with Predictive Closed-Loop Control of Supply Current," Energies, MDPI, vol. 14(8), pages 1-17, April.
    4. Muhammad Saleem & Muhammad Hanif Ahmed Khan Khushik & Hira Tahir & Rae-Young Kim, 2021. "Robust L Approximation of an LCL Filter Type Grid-Connected Inverter Using Active Disturbance Rejection Control under Grid Impedance Uncertainty," Energies, MDPI, vol. 14(17), pages 1-21, August.
    5. Rui Pan & Guiping Lin & Zhigao Shi & Yu Zeng & Xue Yang, 2021. "The Application of Disturbance-Observer-Based Control in Breath Pressure Control of Aviation Electronic Oxygen Regulator," Energies, MDPI, vol. 14(16), pages 1-16, August.

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