Results 31 to 40 of about 27,062 (355)

Comparative Analysis of Reactive Power Compensation Devices in a Real Electric Substation

open access: yesEnergies, 2022
A constant worldwide growing load stress over a power system compelled the practice of a reactive power injection to ensure an efficient power network.
Hanan Tariq   +7 more
doaj   +1 more source

Effective integration of large-scale wind power using PV-STATCOM

open access: yesThe Journal of Engineering, 2019
Integration of large scale wind farms into the electrical grid poses challenges due to the variable nature of the source of energy and the fact that induction generators, used in the wind turbines, lacking the voltage regulation capability or even, in ...
M.A.H. Rafi, T. Vo, P.H. Nguyen
doaj   +1 more source

A comprehensive survey on enhancement of system performances by using different types of FACTS controllers in power systems with static and realistic load models

open access: yesEnergy Reports, 2020
In present time the power demand increases more rapidly in the power generation and transmission and distribution system sectors. For maintaining the power system stability and steady state operation of power systems causes from disturbance, faults and ...
Bindeshwar Singh, Rajesh Kumar
doaj   +1 more source

Analysis of Transient Interactions between a PWR Nuclear Power Plant and a Faulted Electricity Grid

open access: yesEnergies, 2021
This paper presents the transient stability analysis of a pressurised water-type nuclear power plant following faults and disturbances affecting the electricity grid to which it is connected.
Vineet Vajpayee   +2 more
doaj   +1 more source

Voltage Stability Enhancement Based on Optimal Allocation of Shunt Compensation Devices Using Lightning Attachment Procedure Optimization

open access: yesInternational Journal of Interactive Multimedia and Artificial Intelligence, 2019
This paper proposes a combined approach to determine the optimal allocation of different shunt compensation devices (shunt capacitor, static var compensator, and static synchronous compensator) in power systems.
Salah Kamel, Heba Youssef
doaj   +1 more source

Disordered but rhythmic—the role of intrinsic protein disorder in eukaryotic circadian timing

open access: yesFEBS Letters, EarlyView.
Unstructured domains known as intrinsically disordered regions (IDRs) are present in nearly every part of the eukaryotic core circadian oscillator. IDRs enable many diverse inter‐ and intramolecular interactions that support clock function. IDR conformations are highly tunable by post‐translational modifications and environmental conditions, which ...
Emery T. Usher, Jacqueline F. Pelham
wiley   +1 more source

Optimal Power Flow Analysis Based on Hybrid Gradient-Based Optimizer with Moth–Flame Optimization Algorithm Considering Optimal Placement and Sizing of FACTS/Wind Power

open access: yesMathematics, 2022
Optimal power flow (OPF) is one of the most significant electric power network control and management issues. Adding unreliable and intermittent renewable energy sources to the electrical grid increase and complicates the OPF issue, which calls for using
Amal Amin Mohamed   +4 more
doaj   +1 more source

Multistage artificial immune system for static VAR compensator planning

open access: yesIndonesian Journal of Electrical Engineering and Computer Science, 2019
Interconnected network of transmission and distribution lines lead to losses in the system and weakening the voltage stability in the system. Installing Static VAR Compensator (SVC) in power system has known to improve the system by minimizing the total ...
S. Nasir   +6 more
semanticscholar   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

A synthetic benzoxazine dimer derivative targets c‐Myc to inhibit colorectal cancer progression

open access: yesMolecular Oncology, EarlyView.
Benzoxazine dimer derivatives bind to the bHLH‐LZ region of c‐Myc, disrupting c‐Myc/MAX complexes, which are evaluated from SAR analysis. This increases ubiquitination and reduces cellular c‐Myc. Impairing DNA repair mechanisms is shown through proteomic analysis.
Nicharat Sriratanasak   +8 more
wiley   +1 more source

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