Results 261 to 270 of about 3,167,411 (345)

Robust Power Decoupling Based on Feedforward Decoupling and Extended State Observers for Virtual Synchronous Generator in Weak Grid

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2023
Virtual synchronous generator (VSG) can provide inertia support for a more renewable-energy-integrated power system. However, there are power couplings between active power and reactive power in a weak grid.
N. Dong, Mengfei Li, Xiaofei Chang, Wei Zhang, Huan Yang, R. Zhao   +5 more
semanticscholar   +1 more source

Stability Analysis of a Weak-Grid-Connected Voltage-Sourced Rectifier Considering the Phase-Locked Loop Dynamics

IEEE Transactions on Power Systems, 2023
The high bandwidth of a phase-locked loop (PLL) can deteriorate the small-signal stability of a voltage-sourced converter (VSC) under a weak grid condition.
Soseul Jeong, G. Jang
semanticscholar   +1 more source

Voltage Harmonics Optimization for Weak Grid-Tied Doubly-Fed Induction Generator With the Capability of Suppressing Current Harmonics

IEEE transactions on energy conversion, 2023
Suppressing current harmonics is an essential capability of the grid-tied doubly-fed induction generator (DFIG). For the weak grid tied DFIG, the suppression of current harmonics is accompanied by the compromise of voltage harmonics at the point of ...
B. Pang, Xiaojuan Zhu, Jianwei Yang, Kai Liao, Bo Chen, Z. He   +5 more
semanticscholar   +1 more source

On Transient Instability Mechanism of PLL-Based VSC Connected to a Weak Grid

IEEE transactions on industrial electronics (1982. Print), 2023
This article analyzes the transient process of phase-locked loop (PLL) based grid-connected voltage source converters (VSCs) under large disturbances by modeling the PLL dynamic model and active power loop model.
Pengfei Hu, Zheng Chen, Yanxue Yu, Daozhuo Jiang   +3 more
semanticscholar   +1 more source

The Control Strategy for the Grid-Connected Inverter Through Impedance Reshaping in q-Axis and its Stability Analysis Under a Weak Grid

IEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
The grid-connected inverter is the vital energy conversion device in renewable energy power generation. With the increasing installed capacity of renewable energy, the grid presents characteristics of weak grids with large grid impedance. In general, the
Ming Li, Xing Zhang, Zixuan Guo, Jilei Wang, Yang Wang, Fei Li, Wei Zhao   +6 more
semanticscholar   +1 more source

Impacts of Phase-Locked Loop Dynamic on the Stability of DC-Link Voltage Control in Voltage Source Converter Integrated to Weak Grid

IEEE Journal on Emerging and Selected Topics in Circuits and Systems, 2022
This paper investigates the impact of phase-locked loop (PLL) dynamic on the stability of DC-link voltage control (DVC) in voltage source converter (VSC) attached to weak grid.
Yunhui Huang, Lingyun Wang, Sidong Zhang, D. Wang, Xiangtian Deng, G. Zhu   +5 more
semanticscholar   +1 more source

Interactive Grid Synchronization-Based Virtual Synchronous Generator Control Scheme on Weak Grid Integration

IEEE Transactions on Smart Grid, 2022
While high volume of power electronic converters with renewable energy are being integrated into the grid, low system strength of grid causes reduction in system inertia and loss of synchronization with power converters.
M. N. Ambia, K. Meng, W. Xiao, A. Al‐Durra, Z. Dong   +4 more
semanticscholar   +1 more source

Control of a grid connected converter during weak grid conditions

2016 IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2016
The focus on renewable energy sources have been increasing since the late 80s in Denmark. Especially focus on wind power has been increasing, with implementation of big on- and offshore wind farms. However, when installing the wind farms, these are often placed distant from the utility grid, like the case for offshore wind turbines.
Lorenzen, Søren Lund, Nielsen, Alex Buus, Bede, L.   +2 more
openaire   +2 more sources

A PV-Battery System Resilient to Weak Grid Conditions With Regulated Power Injection and Grid Supportive Features

IEEE Transactions on Sustainable Energy, 2022
This paper presents a weak grid coupled single stage photovoltaic (PV) system. The system incorporates a battery energy storage (BES) via a bi-directional DC-DC converter (BDDC).
Syed Bilal Qaiser Naqvi, Bhim Singh
semanticscholar   +1 more source

A Feedback-Based Flexible Compensation Strategy for a Weak-Grid-Tied Current-Controlled Converter Under Unbalanced and Harmonic Conditions

IEEE transactions on industry applications, 2022
Due to ever-increasing power demand and high renewable energy penetration, the power system's harmonics and voltage unbalancing have become significant power quality issues.
Suresh Maganti, N. P. Padhy
semanticscholar   +1 more source