Showing 1-25 of 4,634 resultsfor "Index Terms":Core Module
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Linear Measuring Phase Shift Module
2019 International Multi-Conference on Industrial Engineering and Modern Technologies (FarEastCon)
Year: 2019 | Conference Paper |
The article describes design of a linear measuring phase shift module with a nonuniform running magnetic field developed by the authors. The developed phase shift module is intended for use in information and measurement systems for linear displacement. The authors analyzed electrical characteristics of a phase shift module required to design information and measurement systems for linear displace...Show More
Amorphous Long Stator Core Loss Calculation of Linear Motor Based on An Improved Calculation Model
2022 25th International Conference on Electrical Machines and Systems (ICEMS)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
The core loss of linear motor for high-speed maglev train increase the temperature rise and affect the operation performance of the motor. Therefore, it’s necessary to accurately calculate the core loss. Because of the high operation frequency of the linear motor of the high-speed maglev train, the application of Bertotti core loss separation trinomial model is limited. In this paper, an improved ...Show More
Power Module (PM) core-specific parameters for a detailed design-oriented inductor model
2020 Argentine Conference on Automatic Control (AADECA)
Year: 2020 | Conference Paper |
This paper obtains shape-related parameters and functions of a Power Module ferrite core for a design-oriented inductor model, which is a fundamental tool to design any electronic power converter and its control policy. To improve accuracy, some particular modifications have been introduced into the standardized method of obtaining characteristics core areas and lengths. Also, a novel approach is ...Show More
Wide-band coupling of Earth's normal modes due to anisotropic inner core structure
We investigate the importance of wide-band coupling of normal modes due to inner core anisotropy. We compare four different seismic models of inner core anisotropy, which were obtained by others using the splitting of Earth's normal modes. These models have been developed using a self-coupling (SC) approximation, which assumes that coupling between nearby modes through anisotropic inner core struc...Show More
Efficiency and cost optimization of a micro-inverter transformer
Umut Güvengir;Mustafa Deniz;Zaid S. Al-Otaibi;Saeed S. Al-Zahrani;Hisham Y. Shafei;Omar A. Almokaiteeb;Fahd Saud Alanazi;Abdullah A. Altuwaijry
4th International Conference on Power Engineering, Energy and Electrical Drives
Year: 2013 | Conference Paper |
Cited by: Papers (1)
The high-frequency transformer design for switch mode power supplies consists of core and winding design. It is necessary to take the cost of power loss and core volume in the long term into consideration during selection of core size, shape and material to produce an efficient transformer. The proximity effect seen in the windings deteriorates the performance of the transformer and can be averted...Show More
Research on Three-Dimensional Stress Distribution of Reactor Core
Rongge Yan;Xu Gao;Lihua Zhu;Qingxin Yang;Tong Ben;Yang Li;Wenrong Yang
Gapped iron-core reactors can obtain larger inductance, but they make larger vibration and noise than other kinds of reactors. On vibration dampers, many researchers kept their eyes on vibration isolation structures or vibration isolation materials. However, they did not compute reactor core vibration under fundamental frequency voltage or harmonic one. Because stress is the inherent reason of vib...Show More
A Prototype of a Multi-core Wireless Sensor Node for Reducing Power Consumption
Sotaro Ohara;Makoto Suzuki;Shunsuke Saruwatari;Hiroyuki Morikawa
2008 International Symposium on Applications and the Internet
Year: 2008 | Conference Paper |
Cited by: Papers (10)
This paper presents initial experiment results toward realizing a multi-core CPU for wireless sensor nodes. The multi-core CPU reduces power consumption with enabling users to easily manage hard real-time tasks. The results show a sensor node with triple CPUs can eliminate about 76 % of power consumption compared to a single CPU sensor node.Show More
A 3D Integrated Nonlinear Inductor for Improving Light Load Efficiency of Voltage Regulator Modules
Longyang Yu;Chenya Wang;Hongchang Cui;Yongmei Gan;Laili Wang
2022 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2022 | Conference Paper |
Loss reduction at light loads of voltage regulator modules (VRMs) is needed to improve efficiency. Inductor current ripple causes most of the total loss at light loads. Therefore, inductor current ripple reduction is the key to improving light load efficiency. The paper presents a 3D integrated nonlinear coupled inductor (NCI) for VRMs. The inductor is made by two permeability magnetic materials, ...Show More
All-in-one Magnetic Structure for PSFB converter with Current Doubler Rectifier
2024 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2024 | Conference Paper |
Cited by: Papers (2)
This paper proposes a new magnetic integration approach that combines all the magnetic components, including the leakage inductor, transformer, and filter inductors in the current doubler circuit. The core structure proposed in this study is applicable to different topologies that incorporate the current doubler circuit. By adopting this all-in-one core structure, the assembly of the magnetic comp...Show More
An In-Depth Analysis of Power-System-in-Inductor (PSI2) Technology for Power Module Packaging
2019 IEEE Applied Power Electronics Conference and Exposition (APEC)
Year: 2019 | Conference Paper |
This paper provides a thorough analysis of the power-system-in-inductor (PSI2) packaging for power modules through FEA simulation and experimentation of electrical and thermal performance. To sufficiently analyze the PSI2 packaging, all tests conducted compare performance of PSI2 to conventional plastic epoxy packaging using identical buck power modules. PSI2 uses magnetic material as both the pow...Show More
Inner core anisotropy inferred by direct inversion of normal mode spectra
The spectra of 25 inner-core-sensitive normal modes observed following eight recent major (Mw >7.5) earthquakes are inverted for anisotropic structure in the inner core, using a one-step inversion procedure. The mode data are combined with PKP(DF)—PKP(AB) differential traveltime data and the inner core is parametrized in terms of general axisymmetric anisotropy, allowing structure beyond restricti...Show More
Development and test of distributed current monitoring device for dry type air core reactor
Cui Zhigang;Qian Guochao;Hao Changjin;Liu Yi;Yang Chao;Ou Yangyong
2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE)
Year: 2020 | Conference Paper |
Dry type air core reactor is often operated outdoors, and its insulation performance is affected by climate, insulation aging, voltage fluctuation and other factors, which makes it encounter various problems in operation. The results show that the insulation state of the reactor can be evaluated by measuring the distribution current change of the reactor. In this paper, a wireless distributed curr...Show More
Desaturation Technology of Magnetic Field Energy Harvester Based on Feedback Winding Compensation
2023 10th International Conference on Power and Energy Systems Engineering (CPESE)
Year: 2023 | Conference Paper |
The magnetic field energy harvester is suitable for the power source of sensors for power equipment state monitoring, with the advantages of easy installation and high power density. However, when the power line current is too high or the load is too large, the magnetic core used for energy harvesting may be driven into saturation region, resulting in the noise and heating, which affects the insul...Show More
Formation of the Blue Core in Argon Helicon Plasma
Saikat Chakraborty Thakur;Christian Brandt;Lang Cui;Jordan James Gosselin;George R. Tynan
Helicon plasmas are typically associated with a core, a radially localized central area of strong ion light emission. Here, we investigate the role of electrostatic instabilities that lead to the formation of the classic blue core. We show that helicon plasma can also occur without the distinct core. In these conditions, the plasma is dominated by low-frequency resistive drift wave (RDW) instabili...Show More
Core Loss Analysis of Flux Switching PM Machines With Toroidal Winding and Concentrated Winding by Field Modulation Theory
This article investigates the influence of the winding configurations on the core flux density harmonics of the axial modular flux switching permanent magnet (AM-FSPM) and conventional flux switching permanent magnet (FSPM) machine. The relationships between air-gap flux density harmonics and stator–rotor core flux density harmonics of the AM-FSPM machine with toroidal winding (TW) and the FSPM ma...Show More
Inversely Coupled Inductors With Small Volume and Reduced Power Loss for Switching Converters
The letter presents a patent of lateral coupled inductor structure and its applications in single-phase and multiphase dc–dc converters. The central processing units (CPUs), graphics processing units (GPUs), and field-programming gate arrays (FPGAs) in the latest servers and artificial intelligence (AI) systems are powered by multiphase dc–dc switching converters and require high current, small si...Show More
Loss-model based interleave technique to improve the efficiency of micro-inverter
IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society
Year: 2011 | Conference Paper |
Cited by: Papers (7)
Micro-inverters convert direct current (DC) from a single solar panel to alternating current (AC). They have several advantages over conventional string inverters like higher maximum power point tracking (MPPT) efficiency, easier installation and longer lifetime. Interleave technique could be used in micro-inverter to reduce the power devices' conduction loss at full load, enlarge the power capaci...Show More
According to the characteristics of wireless sensor network node, the analysis of structural system of wireless sensor network node has been done. Each module of node was design by blocking method. The error rate of homemade node in different distance and interfere compared with contrastive node. The experimental results indicate that the wireless sensor networks node works effective and stability...Show More
A negative-index metamaterial design based on metal-core, dielectric shell resonators
L. I. Basilio;L.K. Warne;W.L. Langston;W.A. Johnson;M. B. Sinclair
2011 IEEE International Symposium on Antennas and Propagation (APSURSI)
Year: 2011 | Conference Paper |
Cited by: Papers (2)
In this paper a simple effective-media analysis (including higher-order multipoles) is used to design a single-resonator, negative-index design based on a metal-core, dielectric-shell (MCDS) unit cell. In addition to comparing the performance of the MCDS design to other core-shell negative-index designs, performance trade-offs resulting from the relative positioning of the electric and magnetic mo...Show More
Distributed (parallel) inductor design for VRM applications
IEEE Transactions on Magnetics
Cited by: Papers (12)
The design of planar magnetic components for application in voltage regulator modules (VRMs) is investigated. In particular, the application of distributed magnetic structures that facilitate locating the VRM closer to the processor load is proposed, so that interconnect impedance and its effects can be reduced. It is shown that in addition to facilitating VRM packaging, the utilization of winding...Show More
Magnetic Flux Density Distribution in the Air Gap of a Ferromagnetic Core With Superconducting Blocks: Three-Dimensional Analysis and Experimental NMR Results
António Roque;Duarte M. Sousa;Elmano Margato;Vitor Maló Machado;Pedro J. Sebastião;G. D. Marques
The design of magnetic cores can be carried out by taking into account the optimization of different parameters in accordance with the application requirements. Considering the specifications of the fast field cycling nuclear magnetic resonance (FFC-NMR) technique, the magnetic flux density distribution, at the sample insertion volume, is one of the core parameters that needs to be evaluated. Rece...Show More
New type of magnetic modulator using a single toroidal core
ELIMINATION of zero drift in magnetic modulators has taken two courses. The first involves using the second-harmonic flux components in two equally rated saturable-reactor elements which secure decoupling between a-c excitation windings and d-c signal windings.1–10 Since, in these twin-core modulators, the second-harmonic component of output voltage is generally selected by filtering and used for ...Show More
Analysis of the Effect of Modular Stator Design on the Performance of a Low-Speed Permanent Magnet Synchronous Motor
2024 IEEE 3rd International Conference on Problems of Informatics, Electronics and Radio Engineering (PIERE)
Year: 2024 | Conference Paper |
The segmentation of the stator core in an electric machine helps to reduce waste material during stamping, simplifies coil winding technology in the case of concentrated winding, and increases the slot fill factor. However, challenges such as the difficulty of precisely joining the segments at butt joints may arise, leading to increased losses and reduced machine efficiency. A modular stator desig...Show More
Establishment of an Accurate Thermal Source Partition Mapping Method Based on Electromagnetic Properties and Loss Distribution
Houbin Song;Wenqi Xie;Yukun Zhang;Wei Han;Zhijun Guan;Hongbo Qiu;Shuai Wang;Xiaolong Huang
2024 3rd International Conference on Energy, Power and Electrical Technology (ICEPET)
Year: 2024 | Conference Paper |
In the research and design of the compact structure of the bulb tubular turbine generator cooling system, the accuracy of heat source distribution significantly affects the rationality and effectiveness of the final temperature numerical calculation results. Specifically, due to the differences in the iron loss curves of different magnetically conductive materials, the inevitability of harmonics i...Show More
Porting of Open Core Processor to FPGA based CPU Module of custom DAQs of FBRs
Aditya Gour;Kshitij Arora;Tom Mathews;R P Behera;M Sakthivel;T Jayanthi;B K Panigrahi
2020 International Conference on Emerging Trends in Information Technology and Engineering (ic-ETITE)
Year: 2020 | Conference Paper |
Data acquisition & Control Systems (DAQs) are generally designed with microcontrollers, microprocessors, and System On chips (SoCs). These processors & SoCs keep evolving with time and market requirements. The DAQs being used for nuclear reactors are targeted to last for multiple decades. Hence the designs should be dependable and in case of failure being detected by exhaustive diagnostics routine...Show More
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