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Communication Dans Un Congrès Année : 2022

EMT three-phase VSC grid-connected converter reactive power control using H∞ LMI MIMO approach

Résumé

With the increasingly rapid penetration of power electronics into AC grid, there is an urgent need in enhancing stability and performance of grid-connected converters. An advanced $H_{\infty}$ multi-input multi-output (MIMO) control using linear matrix inequality (LMI) techniques is introduced and applied for electromagnetic transient (EMT) three-phase voltage source converter (VSC) grid-connected system (simple STATCOM). The proposed control is compared with classical cascade vector control through a validation test of short-circuit event. The comparison results prove that the advanced control approach provides much better performance and transient behaviour compared to classic vector controls, as a result of using $H_{\infty}$ optimization technique to minimize the effect of frequency's and grid voltage's variations. The validation test is done using MATLAB Simscape in EMT simulation, and also gives a step-by-step path of implementation for applying advanced control in industrial-level application of power converter. These results will be further used to control the units of the new concept of \textit{Dynamic Virtual Power Plant} introduced in the H2020 POSYTYF project.
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Dates et versions

hal-03779370 , version 1 (16-09-2022)

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Paternité - Pas d'utilisation commerciale

Identifiants

  • HAL Id : hal-03779370 , version 1

Citer

Hoang-Trung Ngo, Elkhatib Kamal, Bogdan Marinescu. EMT three-phase VSC grid-connected converter reactive power control using H∞ LMI MIMO approach. 2022 IEEE PES Innovative Smart Grid Technologies Europe (ISGT-Europe), IEEE Power & Energy Society (PES), Oct 2022, Novi Sad, Serbia. ⟨hal-03779370⟩
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