Results 21 to 30 of about 142,131 (309)

A coordinated and steadily fault ride through strategy under short-circuit fault of the wind power grid connected system based on the grid-forming control

open access: yesEnergy Reports, 2022
With the continuous improvement of the penetration level of wind power in the power system, the grid-forming mode of wind turbine will gradually become one of the main modes of system synchronization.
Jianzu Hu   +4 more
doaj   +1 more source

Ride-through-fault capabilities of DFIG wind farm connected to a VSC station during a DC fault [PDF]

open access: yes, 2010
This work analyzes the capabilities of ride-through-fault (RTF) of a double-fed induction machine (DFIG), -based wind farm connected to a VSC-, in case of a fault in the DC side of the VSC.
Anaya-Lara, O.   +3 more
core   +6 more sources

Coordinated Control Strategy of DC Fault Ride-through for the WF Connected to the Grid Through the MMC-HVDC

open access: yesFrontiers in Energy Research, 2021
Aiming at the problems of DC fault isolation and power surplus in the HVDC system with large-scale wind farm (WF) integration after single-pole grounding fault, this article designs a modified current transfer modular multilevel converter (M-CT-MMC ...
Bo Zhu   +5 more
doaj   +1 more source

Fault Ride-Through Strategy for GFM Inverters Based on Power Command Constraints [PDF]

open access: yesDianli jianshe
[Objective] To address the issues of power angle instability and output current overload in grid-forming(GFM)inverter during symmetrical grid faults,this paper proposes a fault ride-through strategy based on power command constraints.
LIU Yiqi, ZHAO Bo, LAN Hao, ZHANG Hengke, WANG Zeyang, WU Yucheng
doaj   +1 more source

Mechanical Switch Based Adaptive Fault Ride-through Strategy for Power Quality Improvement Device

open access: yesEnergies, 2021
Cascaded H-bridge power quality improving device (PQID) has garnered extensive attention for its flexible electric energy conversion and fast voltage response.
Yu Shen   +6 more
doaj   +1 more source

Distributed control of a fault tolerant modular multilevel inverter for direct-drive wind turbine grid interfacing [PDF]

open access: yes, 2012
Modular generator and converter topologies are being pursued for large offshore wind turbines to achieve fault tolerance and high reliability. A centralized controller presents a single critical point of failure which has prevented a truly modular and ...
Finney, Stephen, Parker, Max, Ran, Li
core   +1 more source

An Analytical Short-Circuit Current Calculation Method for Full-Power Wind Turbines under Complete Fault Ride-Through Processes [PDF]

open access: yesDianli jianshe
Accurate calculation of short-circuit current throughout the fault ride-through process of wind turbines is a critical prerequisite for the analysis and control of modern power systems.
YUAN Shuai, XIAO Jiaan, TAO Jun, CUI Haohan, CHAO Pupu, LI Weixing, A Minfu, WANG Liqiang, ZHONG Ming
doaj   +1 more source

Fault ride-through of doubly-fed induction generator with converter protection schemes [PDF]

open access: yes, 2008
This paper from the point view of wind farm fault ride-through (FRT) capability, discusses the performance of converter protection schemes to it. Different resistor protection methods are summarized and then a new combined protection with crowbar (CB ...
Dorrell, DG, Fletcher, JE, Yang, J
core   +1 more source

Fault ride‐through strategy for hybrid HVDC with cascaded multi‐infeed MMC inverters

open access: yesElectronics Letters, 2021
The hybrid HVDC with cascaded multi‐infeed MMC inverters suffers from the fragile characteristic of its MMC inverters and is easy to be over current and over voltage.
Jingbo Zhao   +4 more
doaj   +1 more source

Modular multilevel converter with modified half-bridge submodule and arm filter for dc transmission systems with DC fault blocking capability [PDF]

open access: yes, 2018
Although a modular multilevel converter (MMC) is universally accepted as a suitable converter topology for the high voltage dc transmission systems, its dc fault ride performance requires substantial improvement in order to be used in critical ...
Abdelsalam, Ibrahim A.   +3 more
core   +2 more sources

Home - About - Disclaimer - Privacy