Results 21 to 30 of about 15,712 (299)
IEEE Access, 2021 To improve both the stability and the disturbance suppression ability of single-phase grid-connected inverters through LCL filters, this paper proposes an inverter output impedance enhancing control mechanism.
Zhiwei Bian +5 more
doaj +1 more source
An DPWM for Active DC-Link Type Quasi-Z-Source Inverter to Reduce Component Voltage Rating
Energies, 2022 The conventional DC-link type quasi-Z-source inverter has been known as a buck–boost inverter with a low component voltage rating. This paper proposes an active DC-link type quasi-Z-source inverter by adding one active switch and one diode to the ...
Duc-Tri Do, Vinh-Thanh Tran, Khai Nguyen
doaj +1 more source
Energies, 2020 This paper proposes a high-performance control technique based on Lyapunov’s stability theory for a single-phase grid-connected neutral-point-clamped quasi-impedance source inverter with LCL filter.
Sertac Bayhan, Hasan Komurcugil
doaj +1 more source
IEEE Access, 2021 With the increasing applications of grid-connected voltage source converters, it is important to analyze the impedance characteristic of the grid-connected system to implement the stability analysis of the grid connection operation.
Heng Nian +5 more
doaj +1 more source
Parameter Estimation of a Grid-Tied Inverter Using In Situ Pseudo-Random Perturbation Sources
Energies, 2023 Inverters are playing an increasingly important role in the electrical utility grid due to the proliferation of renewable energy sources. Obtaining inverter models with accurate parameters is, therefore, essential for grid studies and design.
Ian Paul Gerber +2 more
doaj +1 more source
Coupled Inductor Assisted High-Voltage Gain Half-Bridge Z-Source Inverter
IEEE Open Journal of the Industrial Electronics Society, 2023 A half-bridge-based impedance-source inverter with two T-shaped coupled inductors is proposed in this article. Unlike the conventional half-bridge structure, the proposed topology can generate a zero-voltage level at its output stage. First, the proposed
Mohammadamin Aalami +2 more
doaj +1 more source
Effects of Parasitic Resistances on Π-Source Impedance Network
IEEE Access, 2021 Magnetically coupled impedance-source networks are often connected with voltage source inverter to obtain a higher voltage gain and achieve less shoot-through duty ratio occupation.
Chi-Fong Ieong +4 more
doaj +1 more source
Multi-Input Ćuk Inverter Based on Model Predictive Control [PDF]
SVU-International Journal of Engineering Sciences and Applications, 2021 In this paper multi-input Ćuk- derived buck-boost inverter is presented based on Model Predictive Control (MPC). The control technique is applied to multi- input Ćuk- derived buck-boost inverter because of the several features such as reduction of ...
Mohamed Ismeil
doaj +1 more source
Research on the control technology of self-synchronous voltage source inverter for distributed parallel system [PDF]
E3S Web of Conferences, 2021 In this paper, a small signal model based on droop controller is established for the self-synchronous voltage source parallel system. The influence of droop coefficient on system stability is analysed, and the constraint conditions of droop coefficient ...
Zhong Xu +3 more
doaj +1 more source
An Impedance Network-Based Three Level Quasi Neutral Point Clamped Inverter with High Voltage Gain
Energies, 2020 Due to the impediments of voltage source inverter and current source inverter, Z-Source Inverter (ZSI) has become notorious for better power quality in low and medium power applications. Several modifications are proposed for impedance source in the form
Muhammad Aqeel Anwar +5 more
doaj +1 more source