A review on current reference calculation of three-phase grid-connected PV converters under grid faults

E Afshari, GR Moradi, Y Yang… - 2017 IEEE Power …, 2017 - ieeexplore.ieee.org
Unbalanced grid voltage dips may lead to unbalanced non-sinusoidal current injections, dc-
link voltage oscillations, and active and/or reactive power oscillations with twice the grid …

Reactive power generation for single-phase transformerless Vehicle-to-Grid inverters: A review and new solutions

E Afshari, GR Moradi, A Ramyar… - … and Expo (ITEC), 2017 - ieeexplore.ieee.org
Vehicle to Grid (V2G) technology enables Battery Powered Vehicles including Electric and
Plugin Hybrid Electric Vehicles as distributed Energy Storage for the smart grid. V2G …

A single-stage capacitive AC-link AC–AC power converter

E Afshari, M Khodabandeh… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
A single-stage three-phase ac-ac converter benefiting from a high-frequency alternating link
voltage is proposed in this paper. In this converter, a very small film capacitor can transfer …

A low-voltage ride-through control strategy for three-phase grid-connected PV systems

E Afshari, B Farhangi, Y Yang… - 2017 IEEE Power and …, 2017 - ieeexplore.ieee.org
This paper proposes a novel control strategy for the two-stage three-phase Photovoltaic (PV)
systems to improve the operation under unbalanced grid faults. In case that a three-phase …

Controller design for voltage-source converter using LQG/LTR

MT Andani, H Pourgharibshahi… - 2018 IEEE texas …, 2018 - ieeexplore.ieee.org
This paper presents a Linear-Quadratic-Gaussian with Loop-Transfer-Recovery (LQG/LTR)
controller for a three-phase voltage source converter (VSC) system acting as a rectifier. The …

A single‐phase p‐type ac–ac converter with reduced components count and high boost factor

I Abdoli, MK Hajiabadi, A Mosallanejad… - … Journal of Circuit …, 2023 - Wiley Online Library
This paper proposes a new single‐phase direct step‐up ac–ac converter by modifying the p‐
type impedance source. It provides a high boost factor as well as high efficiency, while only …

A fault-tolerant strategy for three-phase dual active bridge converter

A Davoodi, N Noroozi… - 2019 10th International …, 2019 - ieeexplore.ieee.org
Due to several advantages, three-phase Dual Active Bridge (DAB) converter is widely used
in numerous applications nowadays. On the other hand, this converter is very vulnerable to …

Family of single‐phase isolated high‐frequency transformer integrated improved magnetically coupled Z‐source ac–ac converters

HF Ahmed, MS El Moursi, T Irshad… - IET Power …, 2020 - Wiley Online Library
This study proposes single‐phase improved coupled‐inductor (CL) Z‐source (ZS) ac–ac
converters with integrated high‐frequency transformer (HFT) isolation. They can provide …

A decoupled control strategy for a shunt-series modular multilevel converter in wind energy conversion system applications

P Pizarro, M Díaz, F Rojas, M Espinoza… - … on Automation/XXIV …, 2021 - ieeexplore.ieee.org
In recent years, the rated power of Wind Energy Conversion Systems (WECS) has been
growing significantly, to this date, reaching power ratings above 10 MW per wind turbine …

Novel modulation schemes and switching pattern for Z-Source ultra-sparse matrix converter

AM Bozorgi, M Farasat… - 2017 IEEE Energy …, 2017 - ieeexplore.ieee.org
The Z-Source networks are recently being employed in the matrix converters (MCs) to
overcome their main drawback, which is the low voltage transfer ratio (VTR). In spite of …