Results 21 to 30 of about 856,497 (271)

Hybrid model based on K-means++ algorithm, optimal similar day approach, and long short-term memory neural network for short-term photovoltaic power prediction

open access: yesGlobal Energy Interconnection, 2023
Photovoltaic (PV) power generation is characterized by randomness and intermittency due to weather changes. Consequently, large-scale PV power connections to the grid can threaten the stable operation of the power system.
Ruxue Bai   +3 more
doaj   +1 more source

Power Distribution Control Framework for Renewable Energy Architecture with Battery-Supercapacitor Based Hybrid Energy Storage Systems

open access: yesEnergies, 2021
Due to the intermittence and randomness of the renewable energy, hybrid energy storage system is widely adopted to suppress the power fluctuation. Power distribution is crucial for the robust and efficient operation of hybrid energy system.
Weiyue Huo, Jihong Zhu, Jing Zhou
doaj   +1 more source

A Four-Order Linear Recurrence Formula Involving the Quartic Gauss Sums and One Kind Two-Term Exponential Sums

open access: yesJournal of Mathematics, 2021
The main purpose of this paper is using the analytic method and the properties of the classical Gauss sums to study the computational problem of one kind hybrid power mean involving the quartic Gauss sums and two-term exponential sums and give an ...
Lan Qi, Xingxing Lv
doaj   +1 more source

Electrical Vehicles in the Smart Grid: A Mean Field Game Analysis [PDF]

open access: yes, 2011
In this article, we investigate the competitive interaction between electrical vehicles or hybrid oil-electricity vehicles in a Cournot market consisting of electricity transactions to or from an underlying electricity distribution network.
Couillet, Romain   +3 more
core   +5 more sources

Improvement of SAR Accuracy by Combining Two SAR Quantification Methods for Small Animals in Reverberation Chamber Above 10 GHz

open access: yesIEEE Access, 2020
Two measurement-based methods are presented to quantify the whole-body-averaged specific absorption rate (WBA-SAR) and local SAR for small animals in a medium-size reverberation chamber (RC) for a bio-effect experiment at frequencies above 10 GHz.
Jingjing Shi   +5 more
doaj   +1 more source

On the two-term exponential sums and character sums of polynomials

open access: yesOpen Mathematics, 2019
The main aim of this paper is to use the analytic methods and the properties of the classical Gauss sums to research the computational problem of one kind hybrid power mean containing the character sums of polynomials and two-term exponential sums modulo
Ma Yuankui, Zhang Wenpeng
doaj   +1 more source

Short-Term Wind Power Forecasting Based on VMD and a Hybrid SSA-TCN-BiGRU Network

open access: yesApplied Sciences, 2023
Wind power generation is a renewable energy source, and its power output is influenced by multiple factors such as wind speed, direction, meteorological conditions, and the characteristics of wind turbines.
Yujie Zhang   +4 more
doaj   +1 more source

Hybridization of Energy Storage Systems for electric transportation by means of bidirectional Power Electronic Converters [PDF]

open access: yes2015 6th International Conference on Power Electronics Systems and Applications (PESA), 2015
This paper deals with the design of a Hybrid Energy Storage System (HESSs) for electric transportation such as Electric/Hybrid Vessel and Electric/Hybrid Train. The association of more than one Energy Storage Systems (ESSs) e.g., batteries which have different dynamics permit to take the advantages of the characteristics of both ESSs obtaining ...
Georgious Zaher Georgious, Ramy   +1 more
openaire   +4 more sources

A note on the hybrid power mean involving the cubic Gauss sums and Kloosterman sums

open access: yesAIMS Mathematics, 2022
<abstract><p>The main purpose of this paper is to study the calculating problem of one kind hybrid power mean involving the cubic Gauss sums and Kloosterman sums, and using the elementary methods, analytic methods and the properties of the classical Gauss sums to give some interesting calculating formula for them.
Xiaoxue Li, Wenpeng Zhang
openaire   +2 more sources

Non-Orthogonal Multiple Access for Hybrid VLC-RF Networks with Imperfect Channel State Information [PDF]

open access: yes, 2020
The present contribution proposes a general framework for the energy efficiency analysis of a hybrid visible light communication (VLC) and Radio Frequency (RF) wireless system, in which both VLC and RF subsystems utilize nonorthogonal multiple access ...
Al-Qutayri, Mahmoud   +4 more
core   +2 more sources

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