Results 21 to 30 of about 7,162 (246)

Power Quality Improvement and Low Voltage Ride through Capability in Hybrid Wind-PV Farms Grid-Connected Using Dynamic Voltage Restorer [PDF]

, 2018
© 2018 IEEE. Translations and content mining are permitted for academic research only. Personal use is also permitted, but republication/redistribution requires IEEE permission.This paper proposes the application of a dynamic voltage restorer (DVR) to ...
Allaoui, Tayeb, Benali, Abdelkrim, Denai, Mouloud, Khiat, Mounir   +3 more
core   +2 more sources

Technical Assessment of the Key LVRT Techniques for Grid-Connected DFIG Wind Turbines

The Arabian journal for science and engineering, 2023
As a key portion of renewable energy resources (RESs), wind energy penetration is rapidly deployed. The effects of grid faults on grid-connected wind turbines (WTs) are causing problems for wind energy producers.
A. Alaboudy, H. Mahmoud, A. Elbaset, Montaser Abdelsattar   +3 more
semanticscholar   +1 more source

A Grid-tied PV Inverter with Sag-severity-independent Low-voltage Ride Through, Reactive Power Support, and Islanding Protection

Journal of Modern Power Systems and Clean Energy, 2021
This paper proposes a grid-tied photovoltaic (PV) inverter capable of low-voltage ride through (LVRT), reactive power support, and islanding protection.
Muhammad Talha, Siti Rohani S. Raihan, Nasrudin Abd. Rahim   +2 more
doaj   +1 more source

LVRT and Reactive Power/Voltage Support of Utility-Scale PV Power Plants during Disturbance Conditions

Energies, 2023
This paper proposes a control technique for a large-scale grid-connected photovoltaic (PV) plant that maintains the connection of an inverter to the grid voltage under different types of faults, while injecting a reactive power to accommodate the ...
O. Alrumayh, K. Sayed, Abdulaziz Almutairi   +2 more
semanticscholar   +1 more source

Improved Control of Grid-connected DFIG-based Wind Turbine using Proportional-Resonant Regulators during Unbalanced Grid

Energies, 2019
The quality of power and current control are the greatest challenges of grid-connected wind farms during abnormal conditions. The negative- and positive-sequence components of the grid currents may be injected into a wind generation system during grid ...
Yassir El Karkri, Alexis B. Rey-Boué, Hassan El Moussaoui, Johannes Stöckl, Thomas I. Strasser   +4 more
doaj   +1 more source

LVRT Control Strategy For DC Microgrids Considering the Characteristics of PV/Storage/Load

Zhongguo dianli, 2019
Low voltage ride-through (LVRT) of grid-connected DC microgrid has been driving academic attentions. Firstly, the structure and operation principle of DC microgrids are developed to obtain the analytical expression of DC bus voltage.
Yan LI, Zhan WANG, Xun HUANG, Huiyuan ZHANG, Darui HE   +4 more
doaj   +1 more source

An Overview of Flexible Current Control Strategies Applied to LVRT Capability for Grid-Connected Inverters

Energies, 2023
Distributed power generation plays a critical role in the stability and reliability of modern power systems. Due to the rapid growth of renewable energy generation, the requirements of the transmission and distribution system operators are becoming more ...
D. J. Rincón, M. Mantilla, J. Rey, Miguel Garnica, D. Guilbert   +4 more
semanticscholar   +1 more source

Power control strategies during voltage sags according to Spanish grid code [PDF]

, 2018
In order to connect any power converters into the grid there are some grid requirements to insure the safe operation of the grid. So, the control of the converters especially during abnormal condition e.g. during voltage sags is
Bakkar, Mostafa, Bogarra Rodríguez, Santiago, Córcoles López, Felipe, Moreno Eguilaz, Juan Manuel, Saura Perisé, Jaime   +4 more
core   +1 more source

Enhancement of LVRT Capability in DFIG-Based Wind Turbines with STATCOM and Supercapacitor

Sustainability, 2023
Overvoltage and overcurrent resulting from various faults cause instability in Doubly Fed Induction Generator (DFIG)-based wind turbines connected to a grid.
M. Döşoğlu
semanticscholar   +1 more source

A Novel Low Voltage Ride-Through Technique of Three-Phase Grid-Connected Inverters Based on a Nonlinear Phase-Locked Loop

IEEE Access, 2019
In this paper, a novel low voltage ride-through (LVRT) technique for three-phase grid-connected inverters is proposed. The proposed technique consists of two parts: a nonlinear phase locked loop based on complex-coefficient filters (NLCCF-PLL) and an ...
Guangyu Sun, Yongli Li, Wei Jin, Song Li, Yan Gao   +4 more
doaj   +1 more source