Results 31 to 40 of about 10,147,983 (339)

DIRECT REGENERATION FROM STEM NODAL SEGMENTS OF KHAYA SENEGALENSIS AND ASSESSMENT OF GENETIC STABILITY [PDF]

open access: yesEgyptian Journal of Desert Research
This study presents a reliable and efficient in vitro regeneration protocol for Khaya senegalensis (African mahogany) using stem nodal segments derived from a mother tree, along with a molecular assessment of the genetic stability of regenerated ...
Heba Ghareb
doaj   +1 more source

Direct method for transient stability assessment of a single wind turbine generator subject to LVRT requirements

open access: yesIET Generation, Transmission & Distribution, 2020
The authors report on a step towards the development of direct methods for transient stability assessment of power systems with integrated wind turbine generators subject to low voltage ride‐through constraints. In this study, they propose an approach to
Alexandre Prodóssimo Sohn   +2 more
doaj   +1 more source

Online dynamic voltage stability assessment method of AC/DC power systems

open access: yesThe Journal of Engineering, 2018
The reactive power absorption of conventional line commutated converter–high-voltage direct current transmission systems challenges on the voltage stability of AC/DC power systems. Many online dynamic voltage stability assessment approaches have been put
Yongbo Wang   +5 more
doaj   +1 more source

Analysis and assessment standards of power stability of multi-send HVDC systems

open access: yesThe Journal of Engineering, 2019
The asynchronously interconnected Yunnan Power Grid is a typical multi-send HVDC system. So far, research on systems with multiple high voltage direct current (HVDC) links is mainly focused on multi-infeed HVDC systems, and the assessment standards for ...
Zheling Xu, Zheng Xu, Liang Xiao
doaj   +1 more source

Direct Transient Stability Assessment Of Stressed Power Systems

open access: yes, 2014
{"references": ["P. Kundur, Power system Stability and Control. The ERPI Power system\nEngineering Series, 1994, pp. 17.", "V. Jalili-Marandi, \"Instantaneous relaxation-based real-time transient\nStability Simulation,\" IEEE Trans. Power Systems, vol. 24, no. 3,\npp.1327-1336, Aug.
E. Popov   +4 more
openaire   +3 more sources

Direct air capture of CO2 and climate stabilization: A model based assessment [PDF]

open access: yesClimatic Change, 2013
This paper provides a novel assessment of the role of direct air capture of CO2 from ambient air (DAC) on the feasibility of achieving stringent climate stabilization. We use the WITCH energy-economy-climate model to investigate the long term prospects of DAC, implementing a technological specification based on recent estimates by the American Physical
Chen, Chen, TAVONI, MASSIMO
openaire   +2 more sources

State-of-the-art and prospects of direct stability assessment methods for second-generation intact stability criteria

open access: yesZhongguo Jianchuan Yanjiu
Intact stability of ships in waves is a fundamental guarantee for navigation safety. The direct stability assessment methods associated with the Second Generation Intact Stability Criteria (SGISC) remain undeveloped and have become a key focus of current
Min GU   +3 more
doaj   +1 more source

A Prediction Method and Model Experiments on Surf-Riding and Broaching in Stern-Quartering Waves

open access: yesJournal of Marine Science and Engineering
At present, the International Maritime Organization (IMO) has issued interim guidelines for the direct stability assessment of surf-riding and broaching for the second-generation intact stability criteria.
Jilong Chu   +3 more
doaj   +1 more source

A Numerical Application of Ship Parametric Roll under Second Generation Stability Criteria [PDF]

open access: yesJournal of Eta Maritime Science, 2019
In this study, the parametric roll motion for the benchmark container ship form C11 is investigated by using the second generation stability criteria, which were intensively studied by IMO (International Maritime Organization).
Ferdi ÇAKICI
doaj   +1 more source

Stability Assessment of Current Controller with Harmonic Compensator for LCL-Filtered Grid-Connected Inverter under Distorted Weak Grid

open access: yesApplied Sciences, 2020
An assessment of the stability and performance of current controllers with harmonic compensators is presented for an inductive-capacitive-inductive (LCL)-filtered grid-connected inverter under distorted weak grid conditions.
Seung-Jin Yoon   +2 more
doaj   +1 more source

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