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Showing 1 to 20 of 1810 for “"aC"”.

  1. Power electronic transformers for AC-AC and AC-DC conversion with reduced number of switches

    Castelino, Gysler Fatima2013

    … for three-phase power conversion (three-phase AC to AC as well as three-phase AC to DC). The goal of this project is to reduce the weight and size of the power converter by replacing the low-frequency transformers with high-frequency transformers (HFTs). The novelty of these proposed topologies …

    umn Repository record

  2. Soft-switched, active-clamped DC/AC and AC/AC converters for IPT-based wireless charging applications

    Huynh, Phuoc SangUniversity of Ontario Institute of Technology2020

    The acquisition of inductive power transfer (IPT) technology in commercial electric vehicles (EVs) alleviates the inherent burdens of high cost, limited driving range, and long charging time. In EV wireless charging systems using IPT technology, power electronic converters play a vital role to …

    uoit Repository record

  3. An AC-AC inverter for high frequency power distribution system

    Wennan, Guo2000

    … require the power source to be high frequency ac type and be combined with line current Power Factor Correction that satisfies IEC 1000-3-2 standard. In addition, low power applications require high efficiency, high power density and cost effectiveness. This thesis provides a solution to low …

    concordia Repository record

  4. AC electrostatic precipitation

    Ehrlich, Richard MMassachusetts Institute of Technology1984

    Thesis (Sc.D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1984.

    mit Repository record

  5. Three-Phase GaN M-BDS-Based Current DC-Link AC-AC Converters

    Nain, NehaETH Zurich2024

    ethz Repository record

  6. Design, Modeling and Analysis of an AC-AC Dual Active Bridge Converter

    Veeramraju, Kartikeya Jayadurga PrasadMissouri University of Science and Technology

    … greater energy density have made the SST an attractive option. Among various power electronic converter topologies, the Dual Active Bridge (DAB) has become popular for its bidirectional power flow capability and galvanic isolation, primarily in the DC application space. Advancements in …

    must-thes Repository record

  7. High-Frequency Quasi-Single-Stage (QSS) Isolated AC-DC and DC-AC Power Conversion

    Wang, KunrongVirginia Tech1998

    … (QSS) power conversion topology for ac-dc rectification and dc-ac inversion is proposed. The topology is reached by direct cascading and synchronized switching of two variety of buck or two variety of boost switching networks. The family of QSS power converters feature single-stage …

    vt Repository record

  8. Development of control techniques for direct AC‐AC matrix converter fed multiphase multi‐motor drive system

    Saleh, MohammadVictoria University2013

    … applications, such as paper mills, locomotive traction, oil and gas, mining and machine tools, which require high performance control of more than one electric motor simultaneously. When more than one electric motors are employed in an electric drive, it is called, ‘multi‐motor drive’. These …

    vu-aus Repository record

  9. Direct Power Control of AC Motors

    Luo, Xiaozhong2009

    … inverter have been studied. Three different approaches of DPC for IMs and one for PMSMs are proposed and investigated. They are: (a) direct output power and flux control, direct input power and flux control, and direct real power and reactive power control for IMs and (b) direct real and reactive …

    unr Repository record

  10. Ac Thermal Measurements Near Phase-Transitions

    Garnier, Patrick RobertUniversity of Illinois at Urbana-Champaign2015

    Made available in DSpace on 2015-05-12T22:38:51Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 7309940.PDF: 3672023 bytes, checksum: c32abd0ab310a7904f08095721c8abf4 (MD5) Previous issue date: 1972

    uiuc Repository record

  11. AC Thermal Measurements Near Phase Transitions

    Garnier, Patrick Robert2011

    Submitted by Jesse Garrison (jagarris@illinois.edu) on 2011-07-08T18:14:50Z No. of bitstreams: 1 1972_garnier.pdf: 4257171 bytes, checksum: 4b63a34ea150f7ea88de6ffdae5760e5 (MD5)

    uiuc Repository record

  12. Zero Voltage Switching (ZVS) Turn-on Triangular Current Mode (TCM) Control for AC/DC and DC/AC Converters

    Haryani, NidhiVirginia Tech2020

    … inverters needs to be reduced so as to make space for more parts in these vehicles. Electromagnetic Interference (EMI) filters take up a more than 80 % of these power converters, the size of these filters can be reduced by pushing the switching frequency higher. High frequency operation (> 300 …

    vt Repository record

  13. PWM strategies for multilevel multiphase AC drives

    Dordevic, OLiverpool John Moores University2013

    … (PWM) strategies for multilevel multiphase ac drives have been analysed in this thesis. The large amount of published work in the area of multiphase drives recognises their advantages compared to the standard three-phase solutions. Some of them arc improved power sharing capabilities, …

    liverpool-jm Repository record

  14. Low frequency ac transmission for power systems

    Ngo, Tuan Anh, 1985-The University of Texas at Austin2017

    … transmission systems utilize either high voltage ac (HVAC), operating at 50 or 60 Hz, or high voltage dc (HVDC) to transfer bulk power. The HVAC system is designed to operate at a high voltage level to reduce losses and increase bulk power transfer. This method is limited, however, by the …

    texas Repository record

  15. MANAGEMENT OF HYBRID (AC-DC) MICRO-GRIDS

    Alsharif, SameerCase Western Reserve University School of Graduate Studies2013

    … turbine in the DC sub-grid that is tied to the AC sub-grid consisting of two uninterruptible power sources (UPS) through a bi-directional single phase inverter. Demand-droop control is used to manage power sharing between power sources in each sub-grid; however, managing the power flow through …

    ohiolink Repository record

  16. AC electrokinetic studies of virus host interactions

    Archer, SteffenUniversity of Glasgow1998

    Abstract available p. iii

    glasgow Repository record

  17. FAULT TOLERANT SOLUTIONS FOR AC MULTIDRIVE SYSTEMS

    PULVIRENTI, MARIOUniversità degli studi di Catania2015

    … bassa risoluzione. A causa di guasti che possono accadere su tali sensori, un’opportuna tecnica di compensazione è presentata e verificata con tre diversi algoritmi.

    catania Repository record

  18. Bulk Electroconvection Induced by Ac Electric Fields

    Ochs, Harry Tilghman, IiiUniversity of Illinois at Urbana-Champaign2014

    Made available in DSpace on 2014-12-10T19:06:52Z (GMT). No. of bitstreams: 1 7212318.pdf: 3420353 bytes, checksum: 5ab0e54e02ab62fe7ba2202083d838a3 (MD5) Previous issue date: 1971

    uiuc Repository record

  19. Adaptive optimal control of AC/DC systems

    Rostamkolai, NiushaVirginia Polytechnic Institute and State University1986

    … for two terminal HVDC systems embedded in an AC network. The control is based upon real-time measurements performed on the AC/DC system. Use is made of a technique for high speed accurate measurement of positive sequence voltages and currents, first developed in the field of computer relaying. …

    vt Repository record

  20. Toward high-efficiency high power density single-phase DC-AC and AC-DC power conversion - architecture, topology and control

    Qin, ShibinUniversity of Illinois at Urbana-Champaign2017

    Power conversion between the single-phase AC grid and DC sources or loads plays an indispensable role in modern electrical energy system for both generation and consumption. The renewable resources and electrical energy storage are integrated to the grid through inverters. Telecoms, data centers …

    uiuc Repository record

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