Results 51 to 60 of about 74,380 (202)

Doubly Fed Induction Generator Open Stator Synchronized Control during Unbalanced Grid Voltage Condition

Energies, 2020
In this paper, a systematic synchronization procedure is proposed for a doubly fed induction generator (DFIG) during unbalanced grid voltage conditions.
Akrama Khan, Xiao Ming Hu, Mohamed Azeem Khan, Paul Barendse   +3 more
doaj   +1 more source

Coordinated Control Strategy of CU-MTDC under Abnormal Conditions Considering Power Supply Security

Applied Sciences, 2021
The coastal urban multi-terminal DC (CU-MTDC) is a prospective solution for enhancing the power supply security of the coastal urban power (CUP) grid and integrating the large-scale offshore wind farm. However, the large DC disturbances may significantly
Zhuodi Wang, Kejun Li, Jun Liang, Kaiqi Sun, Jinyu Wang, Zhijie Liu   +5 more
doaj   +1 more source

Comparative Analysis of Three-Phase PV Grid Connected Inverter Current Control Schemes in Unbalanced Grid Conditions

IEEE Access, 2023
Recently, the regulation of photovoltaic inverters, effectively under imbalanced voltages on the grid, has been crucial for the operation of grid-connected solar systems.
Nagwa F. Ibrahim, Karar Mahmoud, Matti Lehtonen, Mohamed M. F. Darwish   +3 more
doaj   +1 more source

Seamless Transition Control Method of Grid-Connected Inverters Under Unbalanced Voltage Conditions

IEEE Open Journal of Power Electronics
The transition between Grid-Forming (GFM) and Grid-Following (GFL) modes is critical for adapting to changing power grid conditions. These transitions are essential for protecting grid-connected inverter systems and ensuring reliable power supply ...
Hyun J. Kim, Ho J. Lee, Min S. Kim, Eun S. Lee   +3 more
doaj   +1 more source

An improved synchronous reference frame current control strategy for a photovoltaic grid-connected inverter under unbalanced and nonlinear load conditions. [PDF]

PLoS ONE, 2017
In recent years, renewable energy sources have been considered the most encouraging resources for grid and off-grid power generation. This paper presents an improved current control strategy for a three-phase photovoltaic grid-connected inverter (GCI ...
Amirreza Naderipour, Abdullah Asuhaimi Mohd Zin, Mohd Hafiz Bin Habibuddin, Mohammad Reza Miveh, Josep M Guerrero   +4 more
doaj   +1 more source

Performance Analysis of DSOGI PLL under Balanced and Unbalanced Conditions [PDF]

, 2015
DPGS (distributed power generation system) gives an efficient and economic way of generating electricity by using renewable energy sources near to the load requirement. And it is the better way for reducing the transmission and distribution losses.
Divya, Artham
core  

Passivity-Based Control of a Doubly Fed Induction Generator System under Unbalanced Grid Voltage Conditions

Energies, 2017
According to the theory of passivity-based control (PBC), this paper establishes a port-controlled Hamiltonian system with dissipation (PCHD) model for a doubly fed induction generator (DFIG) system under unbalanced grid voltage conditions and proposes a
Jiawei Huang, Honghua Wang, Chong Wang
doaj   +1 more source

A Novel Control Method for Current Waveform Reshaping and Transient Stability Enhancement of Grid-Forming Converters Considering Non-Ideal Grid Conditions

Energies
The proliferation of next-generation renewable energy systems has driven widespread adoption of electronic devices and nonlinear loads, causing grid distortion that degrades waveform quality in grid-forming (GFM) converters. Additionally, unbalanced grid
Tengkai Yu, Jifeng Liang, Shiyang Rong, Zhipeng Shu, Cunyue Pan, Yingyu Liang   +5 more
doaj   +1 more source

A modified power decoupling control strategy for a grid-connected inverter with a low switching frequency under unbalanced grid voltages

Energy Reports, 2022
In the photovoltaic grid-connected power generation system, when proportional resonant (PR) control is adopted for the grid-side inverter in the two-phase stationary coordinate (αβ), there is a coupling problem between active power (P) and reactive power
Fuyun Wu, Rui Liu, Yanyu Xie, Jianguo Lyu   +3 more
doaj   +1 more source

Analysis of drawbacks and constraints of classification algorithms for three-phase voltage dips [PDF]

, 2018
Voltage events are one of the most common and harmful disturbances of power electric systems. Voltage dips, swells and interruptions are included under this heading.
Carrica, Daniel Oscar, Carugati, Ignacio, Donato, Patricio Gabriel, Maestri, Sebastian Oscar, Orallo, Carlos Martin, Strack, Jorge Luis   +5 more
core   +1 more source