Results 31 to 40 of about 4,345,842 (323)

An Improved Artificial Bee Colony Algorithm and Its Application to Multi-Objective Optimal Power Flow

Energies, 2015
Optimal power flow (OPF) objective functions involve minimization of the total fuel costs of generating units, minimization of atmospheric pollutant emissions, minimization of active power losses and minimization of voltage deviations.
Xuanhu He, Wei Wang, Jiuchun Jiang, Lijie Xu   +3 more
doaj   +1 more source

Control Strategies and Economic Analysis of an LTO Battery Energy Storage System for AGC Ancillary Service

Energies, 2020
With the rapid growth of renewable energy and the DC fast charge pile of the electric vehicle, their inherent volatility and randomness increase a power system’s unbalance of instantaneous power.
Bingxiang Sun, Xitian He, Weige Zhang, Yangxi Li, Minming Gong, Yang Yang, Xiaojia Su, Zhenlin Zhu, Wenzhong Gao   +8 more
doaj   +1 more source

Modification of Cycle Life Model for Normal Aging Trajectory Prediction of Lithium-Ion Batteries at Different Temperatures and Discharge Current Rates

World Electric Vehicle Journal, 2022
Battery life is of critical importance for the reliable and economical operation of electric vehicles (EVs). Normal aging accounts for more than 80% of the battery available cycle range.
Xinyu Jia, Caiping Zhang, Leyi Wang, Weige Zhang, Linjing Zhang   +4 more
doaj   +1 more source

A Comprehensive Signal-Based Fault Diagnosis Method for Lithium-Ion Batteries in Electric Vehicles

Energies, 2021
To enhance the operational reliability and safety of electric vehicles (EVs), big data platforms for EV supervision are rapidly developing, which makes a large quantity of battery data available for fault diagnosis.
Xinwei Cong, Caiping Zhang, Jiuchun Jiang, Weige Zhang, Yan Jiang, Linjing Zhang   +5 more
doaj   +1 more source

Model Construction and Dominant Mechanism Analysis of Li-Ion Batteries under Periodic Excitation

Space: Science & Technology
This study establishes for the first time a P2D-coupled non-ideal double-layer capacitor model (P2D-CNIC), which can be used for mechanism analysis under high-frequency periodic signal excitation.
Zhihao Wang, Xingzhen Zhou, Bingxiang Sun, Weige Zhang, Xiaojia Su, Jinkai Shi, Qinhe Huang   +6 more
doaj   +1 more source

Characteristic Analysis and Fault-Tolerant Control of Circulating Current for Modular Multilevel Converters under Sub-Module Faults

Energies, 2017
A modular multilevel converter (MMC) is considered to be a promising topology for medium- or high-power applications. However, a significantly increased amount of sub-modules (SMs) in each arm also increase the risk of failures.
Wen Wu, Xuezhi Wu, Jingyuan Yin, Long Jing, Shuai Wang, Jinke Li   +5 more
doaj   +1 more source

The bubble formation characteristics of oil‐paper insulation and its influence on insulation performance

High Voltage, 2023
Engineering experience shows that for transformers with long service life and serious moisture exposure, the inter‐turn paper insulation inside the winding will precipitate bubbles under the condition of electric field and conductor heating, which will ...
Yiyi Zhang, Qianlun Du, Wenchang Wei, Wenqiang Wang, Gang Wang, Yansong Liu, Qing Xie   +6 more
doaj   +1 more source

Reliability analysis of distribution network [PDF]

, 2014
The knowledge of the reliability of distribution networks and systems is important consideration in the system planning and operations for development and improvements of power distribution systems. To achieve the target as minimum interruptions as
Anthony, Roystone
core  

How the global structure of protein interaction networks evolves

, 2002
Two processes can influence the evolution of protein interaction networks: addition and elimination of interactions between proteins, and gene duplications increasing the number of proteins and interactions.
Force A., Force A., Pal C.
core   +2 more sources

Generating Function For Network Delay [PDF]

, 2010
In this paper correspondence between experimental data for packet delay and two theoretical types of distribution is investigated. Statistical tests have shown that only exponential distribution can be used for the description of packet delays in global ...
Botta, Buticchi, Dovrolis, Hasan, Hu, Jammeh, Matthews, Palmieri, Tipsuwan, Zhang   +9 more
core   +1 more source