An improved dc-link voltage control for a three-phase PWM rectifier using an adaptive PI controller combined with load current estimation

Merai, Meriem; Naouar, Mohamed Wissem; Slama‐Belkhodja, Ilhem

doi:10.23919/epe17ecceeurope.2017.8099219

Cited by 9 publications

(3 citation statements)

References 12 publications

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“…Various control strategies also have a tremendous effect on rectifier performance 9 . As digital technology has developed tremendously, more advanced and intelligent control algorithms such as adaptive control, predictive control, and fuzzy control were discussed 10–13 . While these algorithms have been put forward to monitor and control the rectifier explicitly, it is difficult for an ordinary processor to quantify the complexity.…”

Section: Introductionmentioning

confidence: 99%

“…9 As digital technology has developed tremendously, more advanced and intelligent control algorithms such as adaptive control, predictive control, and fuzzy control were discussed. [10][11][12][13] While these algorithms have been put forward to monitor and control the rectifier explicitly, it is difficult for an ordinary processor to quantify the complexity. Consequently, owing to its simple structure and reliable efficiency, the PI algorithm remains the simplest and yet the most feasible controller in a wide variety of operating conditions and thus occupies more than 90% in control algorithm.…”

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confidence: 99%

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Design and control aspect of segmented proportional integral‐repetitive controller parameter optimization of the three‐phase boost power factor correction rectifier

Ali

Wang

Chen

2020

Circuit Theory & Apps

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Summary This paper presented a modeling and control aspect with an offline‐based parameter optimization algorithm for effectively tuning the controller parameters of the three‐phase boost power factor correction (PFC) rectifier system. While analyzing the shortcomings of the traditional PI control with complex control transfer functions from small‐signal models and investigating the limitations of PI control on harmonic suppression from the internal model principle, a simplified form of control transfer functions based on the small‐signal model has been proposed with segmented control action. Consequently, the methodology has the advantages of both simplified control strategies and segmented PI‐repetitive control so as to achieve the performance of high‐power factor and to reduce total harmonic distortion in a broad range of load conditions. However, the segmented PI‐repetitive control contains many control parameters. Thus, the solution and optimization for tuning the controller parameters based on heuristic offline optimization technique have been used to speed up the design of control system parameters. The validity and feasibility of the proposed design and optimization are verified using a 5‐kW three‐phase PFC rectifier with digital signal processor (DSP) TMS320F28335 prototype hardware. The results were then compared with those of traditional controller designs, which show the improvements and effectiveness of rectifier performance after adopting the proposed design and optimization technique.

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Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

Design and control aspect of segmented proportional integral‐repetitive controller parameter optimization of the three‐phase boost power factor correction rectifier

Ali

Wang

Chen

2020

Circuit Theory & Apps

View full text Add to dashboard Cite

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“…However, this method also needs additional current sensors and other circuits. In order to avoid additional costs of the current sensor, a load current observer was designed to achieve dynamic compensation of the load disturbance [12], but the accuracy of the observer is greatly affected by current harmonics. For enhancement of dynamic response and observation precision, authors in [13] introduced a full discrete sliding mode controller and a load current estimator with the low-pass filter, but more tuning parameters are required.…”

Section: Introductionmentioning

confidence: 99%

DC-Link Voltage Disturbance Rejection Strategy of PWM Rectifiers Based on Reduced-Order LESO

et al. 2019

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In applications of pulse-width modulation (PWM) rectifiers, the high quality of the DC power is required. The fluctuation of grid voltage and the switching of equipment connected to the DC supply are likely to cause a sudden change in the DC-link voltage, resulting in equipment instability or even damage. Considering the bandwidth of the closed-loop current dynamic, this paper presents a novel DC-link voltage control strategy of PWM rectifiers based on the reduced-order linear extended state observer (RLESO). Using a first-order RLESO to observe and even compensate the model variations caused by grid voltage and DC-link voltage fluctuations or load transients, the proposed method can effectively improve the dynamic performance against grid and load disturbances, as well as for sudden changes in DC-link reference voltage. Combined with frequency domain analysis, this paper theoretically analyzes the sensitivity, stability, and tracking performance of the proposed method, providing a basis for the selection of controller parameters. And finally, simulation and experimental results are presented to demonstrate its validity and the superiority over the traditional PI control strategy.

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Power Quality Enhancement of Grid-Tied 7L-PUC Inverter-Based PV System Using a Novel DC-Link Controller

et al. 2023

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An improved dc-link voltage control for a three-phase PWM rectifier using an adaptive PI controller combined with load current estimation

Cited by 9 publications

References 12 publications

Design and control aspect of segmented proportional integral‐repetitive controller parameter optimization of the three‐phase boost power factor correction rectifier

Design and control aspect of segmented proportional integral‐repetitive controller parameter optimization of the three‐phase boost power factor correction rectifier

DC-Link Voltage Disturbance Rejection Strategy of PWM Rectifiers Based on Reduced-Order LESO

Power Quality Enhancement of Grid-Tied 7L-PUC Inverter-Based PV System Using a Novel DC-Link Controller

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