Results 41 to 50 of about 19,601 (357)

Research on multi-energy cooperative participation of grid frequency inertia response control strategy for energy storage type doubly-fed wind turbine considering wind speed disturbance

open access: yesFrontiers in Energy Research, 2023
With the proposal of carbon peaking and carbon neutralization, the penetration rate of wind power generation continues to increase. This paper focuses on the problem that doubly fed induction wind turbines are vulnerable to input “source” disturbances ...
Dongyang Sun   +5 more
doaj   +1 more source

FAULT RIDE-THROUGH CAPABILITY AND DAMPING IMPROVEMENT IN DFIG [PDF]

open access: yes, 2016
Doubly-fed induction generator wind turbine is susceptible to faults and requires crowbar protection. When the crowbar is triggered, the rotor is short circuited over the crowbar impedance.
Dolara, Alberto   +5 more
core  

A simple maximum power point tracking based control strategy applied to a variable speed squirrel cage induction generator [PDF]

open access: yes, 2012
This paper presents a comprehensive modelling and control study of a variable speed wind energy conversion system based on a squirrel-cage induction generator (SCIG).
Allali, A.   +4 more
core   +1 more source

Molecular characterisation of human penile carcinoma and generation of paired epithelial primary cell lines

open access: yesMolecular Oncology, EarlyView.
Generation of two normal and tumour (cancerous) paired human cell lines using an established tissue culture technique and their characterisation is described. Cell lines were characterised at cellular, protein, chromosome and gene expression levels and for HPV status.
Simon Broad   +12 more
wiley   +1 more source

Flux observer algorithms for direct torque control of brushless doubly-fed reluctance machines [PDF]

open access: yes, 2009
Direct Torque Control (DTC) has been extensively researched and applied to most AC machines during the last two decades. Its first application to the Brushless Doubly-Fed Reluctance Machine (BDFRM), a promising cost-effective candidate for drive and ...
Chaal, Hamza, Jovanovic, Milutin
core   +2 more sources

ATF4‐mediated stress response as a therapeutic vulnerability in chordoma

open access: yesMolecular Oncology, EarlyView.
We screened 5 chordoma cell lines against 100+ inhibitors of epigenetic and metabolic pathways and kinases and identified halofuginone, a tRNA synthetase inhibitor. Mechanistically halofuginone induces an integrated stress response, with eIF2alpha phosphorylation, activation of ATF4 and its target genes CHOP, ASNS, INHBE leading to cell death ...
Lucia Cottone   +11 more
wiley   +1 more source

Primary frequency regulation strategy for doubly-fed induction generators based on virtual inertia

open access: yesInternational Journal of Metrology and Quality Engineering
With the continuous increase of wind power generation capacity, the necessity of wind power generation participating in primary frequency regulation is also increasing.
Zhao Jingwei, Dou Zhenhai
doaj   +1 more source

Wind Power Generation, a Review of the Doubly Fed Induction Generator [PDF]

open access: yes, 2015
In recent years, there’s been a renewed interest in renewable energy sources due to environmentalproblems and the eventual shortage of fossil fuels. Wind energy made considerable strides especially inEurope, particularly Denmark and Germany [1, 2].
Apata, O. O.
core  

Analysis and NN-based control of doubly fed induction generator in wind power generation [PDF]

open access: yes, 2009
With the increasing size of wind power generation it is required to perform power system stability analysis that uses dynamic wind generator models.
Carvalho, Adriano   +3 more
core   +2 more sources

Developing evidence‐based, cost‐effective P4 cancer medicine for driving innovation in prevention, therapeutics, patient care and reducing healthcare inequalities

open access: yesMolecular Oncology, EarlyView.
The cancer problem is increasing globally with projections up to the year 2050 showing unfavourable outcomes in terms of incidence and cancer‐related deaths. The main challenges are prevention, improved therapeutics resulting in increased cure rates and enhanced health‐related quality of life.
Ulrik Ringborg   +43 more
wiley   +1 more source

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