Turbulence coherence and its impact on wind-farm power fluctuations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2018.713
Abstract: Using a physics-based approach, we infer the impact of the coherence of atmospheric turbulence on the power fluctuations of wind farms. Application of the random-sweeping hypothesis reveals correlations characterized by advection and turbulent diffusion of… read more here.
Keywords: coherence; impact; turbulence; turbulence coherence ... See more keywords
Real-Time Identification of Power Fluctuations Based on LSTM Recurrent Neural Network: A Case Study on Singapore Power System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Informatics"
DOI: 10.1109/tii.2019.2910416
Abstract: Fast and stochastic power fluctuations caused by renewable energy sources and flexible loads have significantly deteriorated the frequency performance of modern power systems. Power system frequency control aims to achieve real-time power balance between generations… read more here.
Keywords: power; power fluctuations; real time; power system ... See more keywords
Satellite-to-ground optical communications using small optical transponder (SOTA) – received-power fluctuations
Sign Up to like & getrecommendations! Published in 2017 at "Optics Express"
DOI: 10.1364/oe.25.028319
Abstract: In this paper, experimental results related to the received-power fluctuations in a LEO satellite-to-ground laser-communication link using the Small Optical TrAnsponder (SOTA) are presented. The data is compared to the theoretical expectations based on the… read more here.
Keywords: optical transponder; received power; satellite ground; small optical ... See more keywords
An Optimal Wavelet Packets Basis Method for Cascade Hydro-PV-Pumped Storage Generation Systems to Smooth Photovoltaic Power Fluctuations
Sign Up to like & getrecommendations! Published in 2019 at "Energies"
DOI: 10.3390/en12244642
Abstract: Due to the volatility of natural resources, the power fluctuations of photovoltaic (PV) generation have serious negative impacts on the power quality. This paper reports a novel approach to resolve this problem in a combined… read more here.
Keywords: method; power; generation; power fluctuations ... See more keywords
Control Strategy of a Hybrid Energy Storage System to Smooth Photovoltaic Power Fluctuations Considering Photovoltaic Output Power Curtailment
Sign Up to like & getrecommendations! Published in 2019 at "Sustainability"
DOI: 10.3390/su11051324
Abstract: The power fluctuations of grid-connected photovoltaic (PV) systems have negative impacts on the power quality and stability of the utility grid. In this study, the combinations of a battery/supercapacitor hybrid energy storage system (HESS) and… read more here.
Keywords: power fluctuations; energy storage; power curtailment; power ... See more keywords
A Stochastic-Process-Based Method for Assessing Frequency Regulation Ability of Power Systems with Wind Power Fluctuations
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Environmental Informatics"
DOI: 10.3808/jei.201800394
Abstract: The increasing penetration of wind power raises the problem of maintaining grid frequency stability. The purpose of this paper is to quantitatively describe the relationship between wind power fluctuations and grid frequency deviation. The fluctuation… read more here.
Keywords: frequency; frequency regulation; wind power; power ... See more keywords