Study on the design and switching dynamics of hysteresis current controlled four-leg voltage source inverter for load compensation
Sign Up to like & getrecommendations! Published in 2017 at "Iet Power Electronics"
DOI: 10.1049/iet-pel.2017.0118
Abstract: In a variable switching frequency control scheme, it is challenging to design the voltage source inverter (VSI) parameters without knowing the maximum and minimum switching frequencies. The switching frequency variation depends on the system parameters.… read more here.
Keywords: inverter; current controlled; controlled four; hysteresis current ... See more keywords
Experimental evaluation of predictive voltage control for a four‐leg two‐stage matrix converter
Sign Up to like & getrecommendations! Published in 2019 at "IET Power Electronics"
DOI: 10.1049/iet-pel.2018.6378
Abstract: Model predictive control (MPC) has emerged as a real alternative for the control of different topologies of power converters. In particular, MPC has been successfully applied in matrix converters, significantly reducing the difficulty of control… read more here.
Keywords: four leg; control; matrix converter; predictive voltage ... See more keywords
Critical characteristics of spin − 1/2 four-leg nanotube: Monte Carlo Simulation
Sign Up to like & getrecommendations! Published in 2024 at "Ferroelectrics"
DOI: 10.1080/00150193.2023.2300621
Abstract: Abstract In this study, we aim to investigate theoretically the critical characteristics of spin −1/2 four-leg nanotube for the nanotechnology applications. The Ising model simulated by Monte Carlo simulation is adopted with the first exchange… read more here.
Keywords: exchange coupling; leg nanotube; four leg;
Disturbance observer-based composite voltage synchronisation control of three-phase four-leg inverter under load variation
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Control"
DOI: 10.1080/00207179.2020.1867324
Abstract: The three-phase four-leg inverter is widely used in microgrid recently. The control strategy is critical for the performance of nonlinear four-leg inverter system owing to the problems of coupling,... read more here.
Keywords: phase four; four leg; three phase; leg inverter ... See more keywords
An Overview of Four-Leg Converters: Topologies, Modulations, Control and Applications
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3180746
Abstract: In three-phase unbalanced systems, where the circulation of zero sequence current is necessary, four-leg converters provide a neutral connection for single-phase or other unbalanced loads typically utilized in three-phase distribution systems. In addition, control of… read more here.
Keywords: leg; control; power; leg converters ... See more keywords
Optimal Switching Sequence MPC for Four-Leg Two-Level Grid-Connected Converters
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2023.3265502
Abstract: This article presents a versatile and effective model predictive current control strategy based on optimal switching sequences for four-leg two-level (4L-2L) grid-connected converters. The proposed control methodology presents an excellent dynamic performance, good tracking of… read more here.
Keywords: two level; level grid; leg two; four leg ... See more keywords
Model Predictive Control of a Three-Phase Two-Level Four-Leg Grid-Connected Converter Based on Sphere Decoding Method
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2020.3006432
Abstract: To achieve optimal control of four-leg grid-connected converters in terms of switching frequency and current tracking, the finite-control-set model-predictive-control method (FCS-MPC) can be applied. In this method, the cost function (CF) considers tracking control of… read more here.
Keywords: leg grid; four leg; control; method ... See more keywords
A Multilevel Converter Topology for a STATCOM System Based on Four-Leg Two-Level Inverters and Cascaded Scott Transformers
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2021.3086399
Abstract: This paper presents a new power electronic topology for a STATCOM allowing the generation of multilevel AC voltages. This topology is characterized by a modular configuration since it uses two well known four-leg two-level voltage… read more here.
Keywords: four leg; leg two; two level; voltage ... See more keywords
Frequency-Adaptive Repetitive Control for Three-Phase Four-Leg V2G Inverters
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Transportation Electrification"
DOI: 10.1109/tte.2021.3063467
Abstract: Three-phase four-leg inverters with an LCL filter are employed as onboard vehicle to grid (V2G) inverters due to their advanced features—high utilization of the dc bus voltage, counteraction of unbalanced voltages, and so on. Repetitive… read more here.
Keywords: three phase; four leg; phase four; control ... See more keywords
Control System for an Open-Winding Permanent Magnet Synchronous Motor Fed by a Four-Leg Inverter
Sign Up to like & getrecommendations! Published in 2025 at "Applied Sciences"
DOI: 10.3390/app152312582
Abstract: This paper employs a four-leg inverter topology to mitigate the high cost and zero-sequence current suppression challenges associated with dual-inverter open-winding permanent magnet synchronous motor (OW-PMSM) systems. Building on this topology, an improved current hysteresis… read more here.
Keywords: leg inverter; inverter; control; topology ... See more keywords
Design and Evaluation of an Efficient Three-Phase Four-Leg Voltage Source Inverter with Reduced IGBTs
Sign Up to like & getrecommendations! Published in 2017 at "Energies"
DOI: 10.3390/en10040530
Abstract: This paper presents a new three-phase four-leg voltage source inverter (VSI), which achieves a high cost effectiveness for mega-watt level system applications. The proposed four-leg inverter adopts the integrated topology with thyristors and insulated-gate bipolar… read more here.
Keywords: inverter; three phase; phase four; four leg ... See more keywords