Showing 1-25 of 2,331 resultsfor "Index Terms":Charged Sites
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Space charge properties of UHMWPE/OibPOSS composites
Zhiqiang Xu;George Chen;Meng Guo;Éric David;Michel Fréchette
2015 IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP)
Year: 2015 | Conference Paper |
POSS (Polyhedral Oligomeric SilSesquioxanes) is a type of filler of great interest in the field of polymeric micro and nanodielctrics. The thermal and mechanical properties after incorporation of POSS into polymer via chemical cross-linking or physical blending have been paid much attention to recently. In this paper, the space charge property of microstructured composites consisting of UHMWPE (ul...Show More
Siting of Electric Vehicle Charging Stations Based on User Behavior
2022 4th International Conference on Artificial Intelligence and Advanced Manufacturing (AIAM)
Year: 2022 | Conference Paper |
Electric vehicles are a promising development opportunity. Electric vehicle charging stations are reasonably planned and can appropriately reduce some unnecessary expenses of operators and users in terms of time and economy. Considering the construction and maintenance cost of EV charging stations and user cost based on user behavior, the location of EV charging stations is determined. A model is ...Show More
Interfacial charge dynamics of cross-linked polyethylene/ethylene-propylene-diene dual dielectric polymer as revealed by energy band structure
The discontinuous charge relaxation time related to the electrical conductivity and permittivity, i.e., traditional Maxwell-Wagner relaxation, is the prevailing explanation for the interfacial charge behavior in multi-layered dielectrics. However, the unipolar/bipolar charge dynamics and the corresponding mechanisms from a microscopic viewpoint remain unclear. This work focuses on the dynamics of ...Show More
Location and Sizing Method for Multi-Type Charging Facilities including Ultra-Fast Charging
Jian Zhang;Xiaonan Liu;Ke Xu;Tao Liu;Guoqiang Zu;Shangting Jin;Xin Lu;Lu Hao
2024 4th International Conference on Energy, Power and Electrical Engineering (EPEE)
Year: 2024 | Conference Paper |
This paper addresses the optimization of multi-type electric vehicle (EV) charging facilities, focusing on both the siting and sizing of charging stations. The study begins with an analysis of EV user travel and charging behaviors, utilizing Monte Carlo simulations based on travel chain theory to forecast the spatiotemporal distribution of charging demands. An optimization model is developed, aimi...Show More
Electric Vehicle Charging Station Site Selection via RoBERTa-Enhanced Clustering
2023 International Conference on Applied Physics and Computing (ICAPC)
Year: 2023 | Conference Paper |
The widespread use of traditional cars significantly contributes to resource depletion and environmental pollution. Electric vehicles (EVs) are promoted globally as a sustainable alternative, offering advantages like lower running costs, high efficiency, and reduced noise pollution. However, their widespread adoption is hindered by insufficient charging infrastructure. Establishing EV charging sta...Show More
Electric Vehicle Charging Station Location Method Based on Voronoi Diagram
2024 IEEE 2nd International Conference on Control, Electronics and Computer Technology (ICCECT)
Year: 2024 | Conference Paper |
Driven by dual-carbon targets, electric vehicles are gradually replacing petroleum vehicles as the first major player in the automotive market. In order to meet the charging demand of electric vehicle users, an excellent charging pile siting strategy is needed. This paper proposes an electric vehicle charging pile siting method based on the face demand method. First, the microgrid area is modelled...Show More
Sizing of Fast Charging Infrastructure Site for Commercial Electric Vehicle Fleet Considering Smart Charge Management
Ahmed A. S. Mohamed;Aravind Ingalalli;Waqas Ur Rehman;Vijay Bhavaraju
2024 IEEE Transportation Electrification Conference and Expo (ITEC)
Year: 2024 | Conference Paper |
Cited by: Papers (1)
This paper presents a unique approach for sizing and planning of charging infrastructure for commercial electric vehicle (EV) fleets. The approach considers real-world operation data collected from non-EV fleet available at Fleet DNA database from the National Renewable Energy laboratory. The primary goal is to determine number of chargers and their power ratings to support EV fleet charging withi...Show More
Research on Layout Planning of Electric Vehicle Charging Stations Based on Weighted Voronoi Diagram
Zheng Li;Yang Li;Zhaohui Wang;Shanming Liu;Xingwang Xiong;Mingguang Zhang
2024 International Conference on Electronics and Devices, Computational Science (ICEDCS)
Year: 2024 | Conference Paper |
With the increasing popularity of electric vehicles, the reasonable layout of charging stations has become particularly important. This article proposes a method for predicting the layout of public charging stations based on weighted Voronoi diagrams. By weighting the candidate points of charging stations and aiming to minimize the charging distance of users, combined with the actual situation of ...Show More
Charging station layout analysis based on improved particle swarm algorithm
2024 4th International Conference on Energy, Power and Electrical Engineering (EPEE)
Year: 2024 | Conference Paper |
With the rapid development of China’s economic growth rate, the market share of purely electric private cars is increasing, and the problem of environmental and energy consumption is becoming more and more prominent. Whether the planning of the sustainable development of infrastructure such as electric vehicle charging stations is reasonable or not will become a key factor in the balanced and rapi...Show More
An Orderly Charging Strategy for Multi-Type Charging Stations Considering the Demand for Optimal Operation of Distribution Grids
2023 3rd International Conference on Electrical Engineering and Mechatronics Technology (ICEEMT)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
In this paper, we consider that there are different types of charging stations distributed in cities, and according to the charging behavior and driving characteristics of EV users, different charging stations assume different responsibilities and functions to meet the charging needs of different types of EV users. According to the different construction sites, charging stations are mainly divided...Show More
A Novel Data-driven Incentive-based Charging Service Truncation Scheme To Improve the QoS Performance of Public EV Charging Stations
Nassr Al-Dahabreh;Maurice Khabbaz;Mohammad Ali Sayed;Ribal Atallah;Chadi Assi
2024 IEEE International Conference on Smart Mobility (SM)
Year: 2024 | Conference Paper |
This paper addresses the critically inadequate public charging infrastructure expansion strategies currently adopted by operators with a particular focus on the Quality-of-Service (QoS) perceived by EV users. A real-world case study of an urban Public EV Charging Station (P-EVCS) reveals the continuous deterioration of this P-EVCS’s QoS performance despite the increased number of new P-EVCS deploy...Show More
Determination of charge-trapping sites in saturated and aromatic polymers by quantum chemical calculation
T. Takada;H. Kikuchi;H. Miyake;Y. Tanaka;M. Yoshida;Y. Hayase
We studied the trapping of positive and negative charges in the chemical structures of polymers under a high electric field using a space charge measurement system. Positive charges accumulated in low-density polyethylene (LDPE), whereas positive and negative charges accumulated in polyimide (Kapton) and also in ethylene tetrafluoroethylene (ETFE) subjected to electron beam irradiation. To determi...Show More
Evidence for a deep electron trap and charge compensation in separation by implanted oxygen oxides
The authors present direct evidence for the creation of deep electron traps in SIMOX (separation by implantation of oxygen) buried oxides. In addition, they present combined electrical and electron spin resonance evidence which demonstrates that at least some positively charged paramagnetic E' centers are compensated by negatively charged centers. Finally, they present evidence which strongly sugg...Show More
A Novel Web-Based Real Time Communication System for PHEV Fast Charging Stations
Victor George;Pradipkumar Dixit;Kunal Gaurav;Aditya Swaroop;Pranay Jaiswal
2018 3rd International Conference on Circuits, Control, Communication and Computing (I4C)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
This paper presents a novel method to communicate necessary data between the users of Plug-in-Hybrid Electric Vehicles (PHEVs) and the DC fast charging stations. PHEVs are getting promoted around the world for multiple reasons. DC fast charging stations can act as a catalyst to the success of such promotions. Proper deployment of renewable based DC fast charging stations with smart communication f...Show More
The Expansion Plan for Charging Stations Based on K-Medoids and Vehicle GPS Data
Xiyuan Zhen;Ruohan Wang;Huicun Han;Songxin Wang;Zhen Wang;Xianghua Li
2023 IEEE 11th International Conference on Information, Communication and Networks (ICICN)
Year: 2023 | Conference Paper |
This study presents an expansion plan for charging stations based on the K-Medoids clustering algorithm and vehicle GPS data. The growing number of electric vehicles has led to a critical problem of insufficient capacity in existing charging stations. Through an analysis of vehicle GPS data and charging behavior, we determine the specific charging demands and time periods. By utilizing the K-Medoi...Show More
An EV Charging Scheduling Methodology to Reduce Demand and Energy Charges in Industrial and Commercial Sites
2022 IEEE PES Innovative Smart Grid Technologies - Asia (ISGT Asia)
Year: 2022 | Conference Paper |
Cited by: Papers (3)
With the increasing penetration of plug-in electric vehicles (EVs), peak demand charges can make up a considerable portion of the electricity bills of industrial and commercial sites that host an EV charging station. Typically, daily peak demand minimization-based EV charging scheduling strategies are used to avoid significant demand charges. However, these approaches may lead to suboptimal result...Show More
Investigations on charge trapping and de-trapping properties of polymeric insulators through discharge current measurements
It is generally accepted that formation and accumulation of space charge in polymeric insulation is a critical issue in the design of high voltage electric systems, as it leads to insulation degradation and premature failure under high voltage surges and polarity reversals. Even at service stress level, accumulation of space charge may cause electrothermal aging. The insulation degradation and agi...Show More
An overview of electric vehicle charging guidance strategies in highway applications
Ni An;Hengjie Li;Yun Zhou;Donghan Feng;Xianqiang Zeng;Qi Feng
2023 IEEE 6th International Electrical and Energy Conference (CIEEC)
Year: 2023 | Conference Paper |
As electric vehicles become more popular on a large scale, the construction of fast charging stations along motorways will provide the conditions for electric vehicles to travel long distances, and at the identical time, the issue of the versatility of the charging needs of electric vehicles also arises. The very occasional access of electric vehicles to motorway charging stations turns to some ex...Show More
Study on the Distribution Range of Measurable Trap Depth Using Space Charge Measurement Method
Hanwen Ren;Haoyu Gao;Yunzhen Shi;Sihong Cheng;Qingmin Li;Zhongdong Wang
2021 International Conference on Advanced Electrical Equipment and Reliable Operation (AEERO)
Year: 2021 | Conference Paper |
The measurement speed and spatial resolution are two key performances of space charge measurement methods, whose effect on measurable charge trap depth has never been discussed before. Based on the hopping model of space charge in the sample, a judgment criteria is proposed to analyze the accurate measurement of space charge information. Further calculation example indicates that, the measurable c...Show More
An Integrated Multi-Criteria Decision Making Approach to Location Planning of Electric Vehicle Charging Stations
Electric vehicles (EVs) are recognized as one of the most promising technologies worldwide to address the fossil fuel energy resource crisis and environmental pollution. As the initial work of EV charging station (EVCS) construction, site selection plays a vital role in its whole life cycle, which, however, is a complicated multiple criteria decision making (MCDM) problem involving many conflictin...Show More
Space Charge Analysis of Epoxy-Boron Nano-Composites and the Importance of Dispersion Techniques
2019 IEEE Electrical Insulation Conference (EIC)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
The present research work analyzes the space charge (S.C.) behavior and correlated dynamics in epoxy based nano-composites (NC) with hexagonal boron nitride (hBN) nanoparticles. The importance of adopting an effective particle dispersion technique for producing such nano-composites is also experimentally validated. Three different dispersion techniques are contrasted in terms of the corresponding ...Show More
Investment assessment over fast and ultra-fast EV charging stations with embedded electricity storage systems
2019 International Conference on Clean Electrical Power (ICCEP)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
This work presents an assessment on investment profitability and economic convenience to install Electric Vehicle (EV) fast and ultrafast charging stations with storage in Italy and in California, based on Enel X’s experience both as charging infrastructure operator and mobility service provider in its markets. The paper introduces the main requirements driving the storage installation for chargin...Show More
Siting of Electric Vehicle Charging Stations Based on Weighted Voronoi Diagram: A Graphic User Interface Design
Jinpeng Meng;Yue Xiang;Yang Wang;Hanhu Cai;Runqi Deng;Shuwen Wang;Jiayu Wu;Shuxin Tan;Junyong Liu
2019 IEEE Innovative Smart Grid Technologies - Asia (ISGT Asia)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
Electric vehicle charging station is the infrastructure to provide electric energy for electric vehicles (EV). Reasonable location of charging station is of great significance to promote the popularization of EVs. Firstly, the ownership of EVs in the selected area is forecasted. According to the ownership and driving characteristics of various types of EVs, the total charging demand of EVs and the...Show More
Research on Layout Planning of Electric Vehicle Charging Station
Yiyang Zhou;Weiyu Chen;Yingwen Zhang;Jiaying Kong;Zhaoyang Ye;Tiancong Li;Ying Jiang
2019 IEEE 4th Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
The potential of new energy vehicles has been acknowledged broadly which leads to the gradual development of electric vehicles and charging network. We built a statistical model which is based on the data from Tesla Supercharging Network in order to estimate the demand for charging capacity and charging station scale. Then in the consideration of rapid growth of electric vehicles in South Korea, a...Show More
Ion-Bombarded and Plasma-Passivated Charge Storage Layer for SONOS-Type Nonvolatile Memory
Sheng-Hsien Liu;Chi-Chang Wu;Wen-Luh Yang;Yu-Hsien Lin;Tien-Sheng Chao
This paper examined the application of ion bombardment (IB) and NH3 plasma treatment (PT) techniques in fabricating a high-performance Si3N4 charge storage layer. The IB technique can be used for creating numerous additional trap sites in the storage layer to enhance charge trapping efficiency and also causes changes in trap centroid location. In addition, the effect of centroid location on operat...Show More
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