Results 271 to 280 of about 175,294 (335)

Design of HAWT Rotor for Non‐Uniform Inflow Conditions: A Theoretical and Experimental Approach for Shear Flow

Energy Science &Engineering, EarlyView.
This paper aims to provide a robust design approach for HAWTs operating in shear flow. This study fills a critical research gap by integrating BEM and vortex theories for blade design in non‐homogeneous inflow conditions. The authors of the paper made an effort to develop and test an experimentally unsophisticated model of a turbine working in shear ...
Agnieszka Dorota Woźniak, Piotr Strzelczyk, Taeseong Kim   +2 more
wiley   +1 more source

Two‐Layer Optimal Control Strategy of Thermal Power Unit Coupled With Hybrid Energy Storage System in Frequency Regulation

Energy Science &Engineering, EarlyView.
An optimized two‐layer TPU‐HESS operation strategy enables adaptive power allocation, mitigates regulation delay, and enhances AGC performance by 6.4% over conventional control methods. ABSTRACT With the growing penetration of renewable energy, its intermittency and fluctuation have imposed increasingly stringent regulation requirements on thermal ...
Zhiwei Xing, Lu Liang, Yunfeng Tian, Lei Liu, Chuan Zuo, Longfei Zhu, Zhan Li, Zhenyong Yang, Jingqiu Kang, Feng Hong   +9 more
wiley   +1 more source

Effect of blade parameters on radial turbine rotor aerodynamics. [PDF]

Sci Rep
Fawaz MA, Hassan AFA, Shaheen M, Al-Samieh MF.   +3 more
europepmc   +1 more source

Wind Resource Evaluation With Atmospheric Stability Across Different Surface Types

Energy Science &Engineering, EarlyView.
Wind resource evaluation with atmospheric stability across different surface types. ABSTRACT This study investigates the influence of atmospheric stability on wind resource assessment across various surface conditions, focusing on wind shear and prevailing wind direction as key analytical parameters.
Zejia Hua, Wei Tao, Guanjun Wang
wiley   +1 more source

Thiolated Bis-<i>meta</i>-Carborane: A Molecular Rotor with Conformation-Dependent Dipole Moment. [PDF]

JACS Au
Patel DK, Frey M, Kučeráková M, Macháček J, Bavol D, Picker J, Neumann C, Bastl Z, Dušek M, Ghosh S, Turchanin A, Pradeep T, Base T.   +12 more
europepmc   +1 more source

Optimized Dual ANN Control Technique for Efficient Energy Management System (EMS) of Microgrid

Energy Science &Engineering, EarlyView.
Proposed methodology. ABSTRACT The escalating global energy demand necessitates a shift towards sustainable and environmentally friendly alternatives. While renewable energy sources like solar and wind energy offer promising solutions, their intermittent nature poses significant challenges for grid integration.
Bin Li, Bing Qi, Rashid Ali, Abubakar Siddique, Waseem Aslam, Hongfang Pan   +5 more
wiley   +1 more source

Optimization of Energy Efficiency in Photovoltaic Water Pumping Systems Using Neural Networks

Energy Science &Engineering, EarlyView.
This study investigates an optimal control strategy for a photovoltaic (PV) water pumping system aimed at improving efficiency and autonomy in off‐grid applications. The system uses an induction motor with direct torque control and compares three maximum power point tracking (MPPT) techniques: neural network–based MPPT, Incremental Conductance (IC ...
Sihem Ghoudelbourk, Habib Benbouhenni, Z. M. S. Elbarbary, Mohamed Benidir   +3 more
wiley   +1 more source

The regulation scheme of a double-rotor wind turbine during operation based on the transmission modes of rotors. [PDF]

Sci Rep
Yang Y, Zhang S, Deng Y, Yuan J, Hu Y.
europepmc   +1 more source

Mechanism and Control Analysis of Synchronous Frequency Resonance in Distributed Power Generation System Connected to Grid

Energy Science &Engineering, EarlyView.
Small‐signal modeling reveals that insufficient system damping positions conjugate poles near the imaginary axis, fundamentally explaining the SFR mechanism. A virtual resistance control is consequently proposed to damp the resonance and effectively suppress SFR, which is validated through Hardware‐in‐the‐Loop experiments.
Yujie Gu, Jianbo Yi, Haoran Rui, Qi Huang   +3 more
wiley   +1 more source

Experimental Analysis of Gravitational Vortex Turbine Made from Natural Fibers. [PDF]

Materials (Basel)
Varga M, Velásquez L, Rubio-Clemente A, Ramón Valencia B, Chica E.   +4 more
europepmc   +1 more source