Linear Active Disturbance Rejection Control for DC Bus Voltage of Permanent Magnet Synchronous Generator Based on Total Disturbance Differential

Xuesong Zhou, Mao Liu, Youjie Ma, Bao Yang and Faqing Zhao
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Xuesong Zhou: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Mao Liu: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Youjie Ma: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Bao Yang: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China
Faqing Zhao: School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China

Energies, 2019, vol. 12, issue 20, 1-22

Abstract: The wind power grid-connected inverter system has nonlinear, strong coupling, and is susceptible to grid voltage fluctuations and nonlinear load effects. To achieve satisfactory control results, the voltage outer loop is controlled by an improved linear active disturbance rejection control (LADRC). LADRC has strong adaptability, robustness and operability. It can automatically detect and compensate for internal and external disturbances, and correct complex controlled objects to integrator series. The total perturbation differential signal is introduced in the traditional linear extended state observer (LESO), which improves the dynamic perturbation observation ability of LESO. The frequency response characteristics analysis shows that the new LADRC has better anti-interference performance. The effectiveness of the improved controller under multiple operating conditions is verified by simulation.

Keywords: grid-connected inverter; linear active disturbance rejection control; total disturbance differential; disturbance rejection performance; frequency domain analysis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2019
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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