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A Composite Strategy for Harmonic Compensation in Standalone Inverter Based on Linear Active Disturbance Rejection Control

Author

Listed:
  • Hui Li

    (School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

  • Yue Qu

    (School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

  • Junwei Lu

    (School of Engineering and Built Environment, Griffith University, Gold Coast, QLD 4222, Australia)

  • Shuang Li

    (School of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090, China)

Abstract

This paper proposes a harmonic compensation control with disturbance rejection function for a standalone inverter. Due to the LC type three-phase three-leg inverter is connected to nonlinear loads, low-order harmonic components appears in the inverter output current. These harmonic current generate harmonic voltage drops when flowing through the filter inductor and the feeder impedance, which causes the output voltage of the inverter distorted. In order to compensate harmonics and produce sinusoidal voltage without additional compensation devices, virtual harmonic impedance method can be added to the fundamental voltage control. Due to the compensation effect of virtual harmonic impedance are very sensitive to the fluctuation of filter inductance. Therefore, inductance variation, as a disturbance in physical system, should be considered. In this paper, linear active disturbance rejection control (LADRC) is proposed in the fundamental voltage control loop to reduce the sensitivity of virtual harmonic impedance and decouple the model. Compared with traditional dual-loop PI control, the proposed strategy has faster dynamic response in control performance and fewer acquisition modules in engineering applications. The whole design process of virtual harmonic impedance and stability analyses of this strategy are provided. The simulation and experiment results show the good performance of the proposed strategy.

Suggested Citation

  • Hui Li & Yue Qu & Junwei Lu & Shuang Li, 2019. "A Composite Strategy for Harmonic Compensation in Standalone Inverter Based on Linear Active Disturbance Rejection Control," Energies, MDPI, vol. 12(13), pages 1-18, July.
    • Handle: RePEc:gam:jeners:v:12:y:2019:i:13:p:2618-:d:246462
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    References listed on IDEAS

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    1. Radek Martinek & Jaroslav Rzidky & Rene Jaros & Petr Bilik & Martina Ladrova, 2019. "Least Mean Squares and Recursive Least Squares Algorithms for Total Harmonic Distortion Reduction Using Shunt Active Power Filter Control," Energies, MDPI, vol. 12(8), pages 1-26, April.
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    Cited by:

    1. Hui Li & Shuang Li & Junwei Lu & Yue Qu & Chenmu Guo, 2019. "A Novel Strategy Based on Linear Active Disturbance Rejection Control for Harmonic Detection and Compensation in Low Voltage AC Microgrid," Energies, MDPI, vol. 12(20), pages 1-24, October.
    2. Ahmed Abdelhak Smadi & Farid Khoucha & Yassine Amirat & Abdeldjabar Benrabah & Mohamed Benbouzid, 2023. "Active Disturbance Rejection Control of an Interleaved High Gain DC-DC Boost Converter for Fuel Cell Applications," Energies, MDPI, vol. 16(3), pages 1-17, January.

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