Predictive direct power control with virtual-flux estimation of three-phase PWM rectifiers under nonideal grid voltages

Bechouche, Alı; Seddiki, Hamid; Abdeslam, Djaffar Ould; Rahoui, Adel; Triki, Yacine; Wira, Patrice

doi:10.1109/icit.2018.8352281

Cited by 5 publications

(1 citation statement)

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“…A neural filter-based integrator is proposed in [10] and used to estimate Virtual Flux (VF) in order to eliminate harmonic distortions applied to predictive DPC based on VF. The authors in [11] proposed the DPC method to control both active and reactive powers by analyzing the influence of each voltage vector of the converter.…”

Section: Introductionmentioning

confidence: 99%

Archives of Electrical Engineering

Laggoun,

Benalla,

Nebti

2020

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This paper presents an improved Virtual Flux-based Direct Power Control (VF-DPC) applied for a three-phase pulse width modulation rectifier. The proposed control approach incorporates an enhanced Virtual Flux estimator made up of a cascade seconddegree low-pass filter. This latter guarantees the attenuation of the highest harmonics. The introduced control concept presented in this paper has interesting features such as reducing the current harmonics distortion. In other words, it ensures that the input current drawn from the power supply is perfectly sinusoidal whatever the state of the network voltage. The proposed method also allows to maintain the DC side capacitor voltage at the required level and assure that the input current is in phase with the respective voltage to satisfy the unity power factor function. The results obtained from the numerical simulation have proved the effectiveness of the proposed method for disturbed grid voltage and system parameters variation.

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Section: Introductionmentioning

confidence: 99%