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Influence of Transport Mode on AC Loss Characteristics of a Bi-2223 Tape in a Multi-Tape Conductor
The high-temperature superconductor (HTS) with large current capacity has been developed for power applications such as power transmission cables and fault current limiters. Especially, in these power applications, AC loss is very important in an economic point of view but this issue has not been completely elucidated due to its many complexities. In this work, two HTS conductors with very differe...Show More
Ground currents in a photovoltaic power plant: Theoretical approach and experimental tests
Alessandro Ciocia;Valeria Cocina;Pietro Colella;Paolo Di Leo;Enrico Pons;Filippo Spertino;Riccardo Tommasini
Arrays of photovoltaic (PV) modules, mounted on metallic structures, always create stray capacitances between active conductors and ground. Thus, leakage currents flowing in these ground capacitances are formed. If the number of PV modules array is high, these currents can reach some amperes. Noticeable leakage currents can cause several problems related to the proper operation of electrical insta...Show More
Surge current capability of SiC MOSFETs in AC distribution systems
Rostan Rodrigues;Yuzhi Zhang;Taosha Jiang;Eddy Aeloiza;Pietro Cairoli
2018 IEEE 6th Workshop on Wide Bandgap Power Devices and Applications (WiPDA)
Year: 2018 | Conference Paper |
Cited by: Papers (15)
Whereas short circuit current and time ratings for power converter applications are often stated by SiC device manufacturers, surge current capability for AC electrical apparatus applications are rarely available. This paper present the experimental validation of surge current capability of selected SiC devices for low voltage AC distribution system applications. Because AC electrical apparatus, s...Show More
Effect of short circuit switching on dielectric properties of vacuum interrupters
M. Koochack Zadeh;V. Hinrichsen;H. Ikeda;M. Hikita;K. Harada
Short circuit current interruption may change the dielectric properties of vacuum interrupters during their service life. Therefore, in this work effects of the current interruption on the dielectric properties and contact erosion of the interrupters have been investigated. Contact material's evaporation during the flow of the vacuum arc before current zero may change the contact surface and cause...Show More
The effect of interconnecting solar cells in the PV module on the power output
2016 IEEE International Conference on the Science of Electrical Engineering (ICSEE)
Year: 2016 | Conference Paper |
Cited by: Papers (1)
Photovoltaic solar fields are deployed in multiple collector rows. The second and subsequent rows see the sky with a smaller angle than the first row resulting from obscuring part of the sky by the preceding rows. This leads to a decrease in the diffuse incident radiation reaching these rows. Moreover, different parts along the collector width see the sky with a different angle, expressed by the v...Show More
Saturation Test Under High Current for Current Transformer Detection System Based on Lab VIEW
2018 China International Conference on Electricity Distribution (CICED)
Year: 2018 | Conference Paper |
Cited by: Papers (1)
This paper presents an algorithm to precisely detect the saturation of Current Transformers (CTs). By using a virtual instrument experimental platform to measure the saturation characteristics of CTs which is implemented based on LABVIEW. This method can acquire and analyze the fault current on the primary side and secondary side of the CTs, and when detecting the saturation characteristics of CTs...Show More
A depth refinement algorithm for multi-view video synthesis
2010 IEEE International Conference on Acoustics, Speech and Signal Processing
Year: 2010 | Conference Paper |
With the recent progress of display, capture device, and coding technologies, multi-view video applications such as stereoscopic video, free viewpoint TV (FTV), and free viewpoint video (FVV) have been introduced to the world with growing interest. To achieve free navigation of such applications, depth information is required along with the video data. There have been many research activities in t...Show More
New Development of BIRD model
E. Spada;A. De Lorenzi;L. Lotto;N. Pilan;S. Spagnolo;M. Zuin
2020 29th International Symposium on Discharges and Electrical Insulation in Vacuum (ISDEIV)
Year: 2021 | Conference Paper |
The possibility that the flow of electrons emitted by a cathode at high dc voltage is essentially due to local emission of a covering dielectric layer is at the basis of the BIRD (Breakdown Induced by Rupture of Dielectric) model. This model assumes that, in the presence of a sufficient electric field, the electrons trapped in the polarization structures of the dielectric layer are extracted by th...Show More
Current Distribution in The Tissue During Electroporation Process
2018 18th International Conference on Mechatronics - Mechatronika (ME)
Year: 2018 | Conference Paper |
Electroporation is a minimally invasive non-thermal ablation technique used in undesired tissue removal. Even though it has a minimal thermal effect on the tissue, some Joule heating occurs during and after the pulse application. It is highly important and desired to know the actual thermal stress of the tissue in order to prevent coagulation necrosis. The first step towards modelling of the therm...Show More
A Simplified Tilt-Resilient Probe Design for Noninvasive Current Measurement Using Magnetic Sensors
2024 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)
Year: 2024 | Conference Paper |
This article presents a new simplified design of a noninvasive current probe that accurately measures current flowing through a conductor using magnetic sensors. The innovative design incorporates four magnetic sensors on the base of a 3-D printed current probe. A suitable interface circuit processes the output of the magnetic sensors of the probe to accurately determine the unknown current. The p...Show More
Depth Map Coding Based on Synthesized View Distortion Function
This paper presents an efficient depth map coding method based on a newly defined rendering view distortion function. As compared to the conventional depth map coding in which distortion is measured by only investigating the coding error in depth map, the proposed scheme focuses on virtually synthesized view quality by involving co-located color information. In detail, the proposed distortion func...Show More
Influence of Caliber Height on Armature Current Melt Erosion in Rail Gun
Chengxian Li;Lixue Chen;Jinghan Xu;Jinghui Ruan;Pengfei Wu;Zengji Wang;Shengguo Xia
Keeping good electrical contact at the armature/rail interface and the structural integrity of the armature during electromagnetic launching is critical to its performance. In this article, the influence of armature height on the erosion of armature's tail is studied through experiments. The results of the armature current melt erosion (CME) of different linear current densities are summarized. Fo...Show More
Plan View and Cross-Sectional View EBIC Measurements: Effect of e-Beam Injection Conditions on Extracted Minority Carrier Transport Properties
The application of low-doped epitaxial layers and the increase of complexity of silicon photodiode design require the knowledge of the basic physical parameters, such as minority carrier lifetime or diffusion length, to improve the photodiode performance simulation. In this paper, electron-beam-induced current technique is used to evaluate minority carrier lifetime and diffusion length on a silico...Show More
Active Face Recognition Through View Synthesis
2023 31st European Signal Processing Conference (EUSIPCO)
Year: 2023 | Conference Paper |
Active vision exploits the ability of robots to interact with their environment, towards increasing the quantity / quality of information obtained through their sensors and, therefore, improving their performance in perception tasks. Active face recognition is largely understudied in recent literature. In this paper, we propose an active approach that utilizes facial views produced by facial image...Show More
REBCO FCL Modelling: Influence of Local Critical Current Non-Uniformities on Overall Behavior for Various Tape Architectures
REBCO Coated Conductors with very good characteristics are now easily available in hundreds of meter lengths. Their use for resistive fault current limiter applications is constrained by the variations of the critical current density along the length, which may lead to the appearance of destructive hotspot under ohmic fault conditions. In this paper, we present a light 1D model of Coated Conductor...Show More
Reducing power consumption in android applications
2014 IEEE International Advance Computing Conference (IACC)
Year: 2014 | Conference Paper |
Battery consumption in mobile hand held devices is an important issue, given the recent slew of such devices with advanced computing capabilities. In this paper we propose some software based approaches to reduce the power consumption of a mobile device running an Android application. In the first approach we consider a typical Android application. We try to minimize the power consumption by reduc...Show More
Investigating experienced quality factors in synthesized multi-view stereo images
2014 19th International Conference on Digital Signal Processing
Year: 2014 | Conference Paper |
Cited by: Papers (4)
In this study, we investigated the quality factors in view synthesis that might lead to the visual discomfort and degradation of the overall viewing quality of the synthesized multi-view stereo or free viewpoint images. In particular, we focused on the investigation of the left and right (LR) image mismatch that might be one of the most important quality factors in the stereoscopic viewing. In ord...Show More
Study on Electrodynamic Suspension System with High-Temperature Superconducting Magnets for a High-Speed Maglev Train
Luning Hao;Zhen Huang;Fangliang Dong;Derong Qiu;Boyang Shen;Zhijian Jin
For the electrodynamic suspension (EDS) system in the high-speed magnetic levitation (Maglev) train, high-temperature superconducting (HTS) coils made of ReBCO-coated conductors can be used as levitation magnets. In this paper, a three-dimensional (3-D) model of the HTS EDS system is built for the design of the suspension system of a full-scale high-speed Maglev train. Subsequently, the levitation...Show More
Current Distribution Measurements in Rail Launcher Multibrush Armatures During Launch
The problem of measuring current distribution in multiple-brush armatures for electromagnetic rail launchers is reapproached here to study the dynamic measurement during armature motion on a two-brush armature. The measurement method is based on an array of loops magnetically coupled to the brushes, placed along the rails. From the theoretical point of view, the measured voltages on all the loops ...Show More
Joint coding of multi-view video and corresponding depth map
2008 15th IEEE International Conference on Image Processing
Year: 2008 | Conference Paper |
In this paper, we propose a joint coding scheme for both multi-view video and its corresponding depth map. After we synthesize a virtual image for the target view using adjacent view images and their depth information, we apply a view interpolation prediction (VIP) method for both multi-view video coding and its depth data coding. In order to improve the synthesized virtual view, we also propose a...Show More
Compression of 2-D wide multi-view video sequences using view interpolation
2008 15th IEEE International Conference on Image Processing
Year: 2008 | Conference Paper |
Cited by: Papers (1)
In this work, we propose an efficient coding algorithm for multi-view video sequences, captured with a 2-D camera array. We develop an efficient prediction structure, which can exploit inter-view redundancies as well as temporal redundancies in 2-D multi-view video sequences. Moreover, we propose a view interpolation technique based on the bilateral criterion and the skip mode to improve the codin...Show More
Power Decoupling Rectifier With Common-Ground Concept for Lighting Applications
The lightweight and the electrolytic capacitor-less are the development trends of microconverters for transportation lighting applications. Some solutions available to address the power fluctuations are caused by electrolytic capacitor-less. However, the leakage currents caused by nonisolated converters have been little studied. Given this, an improved transformerless single-phase rectifier based ...Show More
Analysis of grounding performances of car body by means of FEM shell elements
International Symposium on Electromagnetic Compatibility - EMC EUROPE
Year: 2012 | Conference Paper |
Cited by: Papers (1)
This paper deals with the EMC topic of the grounding systems that ensure the current return to its source in modern cars. Such vehicles are increasingly equipped by electric cables and their chassis is used as reference conductor. The 3D modeling analysis is accomplished thanks to a specific Finite Element formulation: the thin conducting shells coupled with an external circuit. The developed nume...Show More
Countermeasure for Converter Transformer Interturn Short-Circuit Faults Using a Resistive-Type SFCL
Zhangheng Liu;Chenguang Yan;Peng Zhang;Zhenfeng Liu;Baohui Zhang
2023 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD)
Year: 2023 | Conference Paper |
In recent years, interturn short-circuit faults have successively occurred in large-capacity converter transformers. The sustaining arc releases a large amount of energy, causing the transformer tank to suffer from continuous overpressure. This study proposes a new countermeasure for converter transformer interturn short-circuit faults by using the resistive-type superconducting fault current limi...Show More
Duration of Current Application Until Outer Semiconducting Layer Started Burning and Temperature Increase across Gap in Samples Simulating Breakage of Shielding Layer in 6.6 kV XLPE Cable Under Constant AC Current
2023 International Symposium on Electrical Insulating Materials (ISEIM)
Year: 2023 | Conference Paper |
Breakage of shielding layers is one of the factors for degradation of extruded three-layer (E-E type) 6.6 kV cross-linked polyethylene (XLPE) cables. When a shielding layer is broken, a charging current flows through an outer semiconducting layer, and its temperature increases due to heat generation of the semiconducting layer, which can cause dielectric breakdown of XLPE. In the previous study, i...Show More
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