A Reduced Stage Configuration of Three-Phase Isolated AC/DC Converter for Auxiliary Power Units

Chandwani, Ashwin; Mallik, Ayan

doi:10.1109/tvt.2022.3146805

Cited by 3 publications

(2 citation statements)

References 22 publications

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“…Three-phase voltage source converters (VSCs) are extensively used in renewable energy systems, electric mobility, and decentralized power generation, among other applications [1][2][3]. The operation of these converters depends on the discrete switching states of power switches, making three-phase VSCs inherently nonlinear systems.…”

Section: Introductionmentioning

confidence: 99%

A Robust Switching Control Strategy for Three-Phase Voltage Source Converters with Uncertain Circuit Parameters

Guo,

Qiao,

et al. 2024

Energies

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This study proposes a novel double closed-loop robust control strategy based on a power switching affine model of three-phase voltage source converters (VSCs). The aim is to overcome the challenges posed by inaccurate mathematical models, complex controller configurations, indirect switching control, and performance degradation under circuit parameters uncertainty or load variation in conventional methods. These conventional methods rely on linearization models, duty ratio regulation, and pulse width modulation (PWM) technologies. The contributions of work are the following: (1) A two-dimensional (2D) power switching affine model is constructed without any approximation or averaging. (2) The proposed approach achieves direct switching control of three-phase VSCs, eliminating the need for complex rotation coordinate transformation, PWM, and phase locking loop (PLL), which are utilized in traditional control methods. (3) The rigor of the system stability analysis is enhanced based on the 2D power switching model compared to the existing three-dimensional (3D) current switching model. (4) A simple control structure with only two control parameters is employed to address circuit parameter uncertainties. The effectiveness and superiority of the proposed method is validated through simulation and experimental comparison results.

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Section: Introductionmentioning

confidence: 99%

A Robust Switching Control Strategy for Three-Phase Voltage Source Converters with Uncertain Circuit Parameters

Guo,

Qiao,

et al. 2024

Energies

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“…T HE three-phase voltage source converters (VSCs), because its advantages of bi-direction energy flow and low voltage stress, are widely used in the fields of green energy, motor driven, distributed generation and different kinds of industrial power supply, etc. [1]- [3]. The accurate mathematical model and the advanced control strategies are main research focuses of threephase VSCs.…”

Section: Introductionmentioning

confidence: 99%

A Switching Predictive Control Method of Three Phase VSCs Based on Switching Affine Model

Guo

Pan

2023

IEEE Access

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The working process of three-phase voltage source converters (VSCs) can be treated as the switching between the different subsystems, which is a typical switched system. The switching control strategies based on the switching model achieve satisfactory control performance of threephase VSCs with very simple control structure and less control parameters. However, two drawbacks restrict the flexible applications of the present switching control strategies, i.e. the unfixed switching frequency problem and the unstable subsystem switching problem caused by the system delay. In this paper, a current switching predictive control (CSPC) method based on the current switching affine error model is proposed to the three-phase VSCs. The proposed method, by remaining the advantages of traditional switching control methods, realizes the fixed switching frequency of threephase VSCs in the framework of switched system and achieves desired performance under system delay conditions. The simulation and experiment results verify the effectiveness of the proposed methodology.

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Single-Stage Isolated Bidirectional Soft-Switched AC-to-DC Converter with Active Power Decoupling

Farooqi,

Singh,

Panigrahi

et al. 2023

2023 IEEE Energy Conversion Congress and Exposition (ECCE)

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A Reduced Stage Configuration of Three-Phase Isolated AC/DC Converter for Auxiliary Power Units

Cited by 3 publications

References 22 publications

A Robust Switching Control Strategy for Three-Phase Voltage Source Converters with Uncertain Circuit Parameters

A Robust Switching Control Strategy for Three-Phase Voltage Source Converters with Uncertain Circuit Parameters

A Switching Predictive Control Method of Three Phase VSCs Based on Switching Affine Model

Single-Stage Isolated Bidirectional Soft-Switched AC-to-DC Converter with Active Power Decoupling

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