Results 11 to 20 of about 1,053 (261)
Development of a Novel Control Scheme for Grid-Following Converter under Asymmetrical Faults
Energies, 2023 With the increasing penetration of converter-based power sources into the power system, the performance of the converter has become a key factor for enhancing grid reliability, especially during asymmetrical faults.
Muhammad Abubakar
exaly +3 more sources
Energies, 2013 This paper aims to explore a viable solution for a doubly-fed induction generator (DFIG)-based wind farm to meet the reactive support requirement of the low voltage ride-through (LVRT) grid code with safe grid-connected operation during asymmetrical grid
Zhong Zheng, Hua Geng, Geng Hua
exaly +3 more sources
Study on fracture development and failure characteristics of repeated mining overlying strata in multi-coal seams with faults [PDF]
Scientific ReportsTaking a mine in Guizhou Province as the research background, a combination of similar simulation experiments and numerical simulation was used to analyse the spatial distribution of overburden collapse and the development of fissures during the mining ...
Baoyan Zhi +6 more
doaj +2 more sources
EnergiesPower systems are complex and often subject to faults, requiring accurate mathematical models for a thorough analysis. Traditional time-domain models are employed to evaluate the dynamic response of power system elements during transmission system faults.
OSCAR C Zevallos +2 more
exaly +3 more sources
Active fault tolerant control for twin wind turbine subject to asymmetric fault [PDF]
2021 International Conference on Control, Automation and Diagnosis (ICCAD), 2021 This paper addresses the problem of control of a twin wind turbine which is subject to an electrical fault affecting only one stator phase of one turbine. An active fault tolerant control is proposed. The performance and robustness of the proposed control, comparing to a passive fault tolerant one developed in the literature, are shown through ...
Mariem Makni +5 more
openaire +3 more sources
Energies, 2022 Stator faults are the most critical faults in induction motors as they develop quickly hence requiring fast online diagnostic methods. A number of online condition monitoring techniques are proposed in the literature to respond to such faults, including ...
Syaiful Bakhri, Nesimi Ertugrul
doaj +1 more source
Simulation-based post-fault analysis in WECS using DFIG systems under an unbalanced fault scenario
Journal of Applied Research in Technology & Engineering, 2023 Fault analysis in an integrated Wind Energy Conversion System (WECS) is the highest priority factor to be taken into account for distributed generation (DG).
Muzamil Hussain Wadho +3 more
doaj +1 more source
Energies, 2023 The increasing share of converter-based renewable energy sources in the power system has forced the system operators to demand voltage support from the converters in case of faults.
Muhammad Abubakar +2 more
doaj +1 more source
Assessing Asymmetric Fault-Tolerant Software [PDF]
2010 IEEE 21st International Symposium on Software Reliability Engineering, 2010 The most popular forms of fault tolerance against design faults use "asymmetric" architectures in which a "primary" part performs the computation and a "secondary" part is in charge of detecting errors and performing some kind of error processing and recovery. In contrast, the most studied forms of software fault tolerance are "symmetric" ones, e.g.
Peter T. Popov, Lorenzo Strigini
openaire +2 more sources
Fault Current Characteristics of the DFIG under Asymmetrical Fault Conditions [PDF]
Energies, 2015 During non-severe fault conditions, crowbar protection is not activated and the rotor windings of a doubly-fed induction generator (DFIG) are excited by the AC/DC/AC converter. Meanwhile, under asymmetrical fault conditions, the electrical variables oscillate at twice the grid frequency in synchronous dq frame.
Fan Xiao, Zhe Zhang, Xianggen Yin
openaire +2 more sources