Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 17 of 17 for “"low inductance"”.
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An interleaved multilevel inverter topology for high-frequency low-inductance motors
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Design of 10 MW low inductance PM generator for direct drive offshore wind turbine
… per unit reactance (Xpu) of the generator to be low compared to conventional generators. Three PMSG topologies were designed, optimized and analyzed for their performance for this 10 MW direct drive generator-drive system. Optimization of these generator topologies for their efficiency and weight …
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A Double-Sided Stack Low-Inductance Wire-Bondless SiC Power Module with a Ceramic Interposer
… silicon carbide (SiC) power devices to achieve a low parasitic inductance and an improved thermal performance. A half-bridge module consisting of 900-V SiC MOSFETs is realized to minimize stray parasitic inductance as well as to provide both vertical and horizontal cooling paths to maximize heat …
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Electromagnetic modeling and variable-speed-operation characteristics of inverter-driven, high-frequency, low-inductance permanent magnet synchronous machines
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01
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High-density multilevel power converters for use in renewable and transportation applications
… limited to energy-dense electrolytic or low-loss film-based capacitors, designers now have an increasing array of high-energy-density ceramic capacitors available to them. In addition to the small signal characteristics of these devices which are typically provided by the manufacturer, …
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3D Commutation-Loop Design Methodology for a SiC Based Matrix Converter run in Step-up mode with PCB Aluminum Nitride Cooling Inlay
… based matrix converter, providing a symmetric, low-inductance solution. The thesis presents various layout types to achieve this design target, and details the implementation of a hybrid layout to the matrix converter phase-leg. This layout is more easily achievable with a surface-mount device …
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Development of a Low-Cost PCB-Based High-Frequency AC Susceptometer for Magnetic Materials Characterization
… magnetic materials up to 200 MHz. Leveraging a low-cost printed circuit board (PCB) design and commercially available high-frequency electronics, femtoMag addresses limitations in conventional susceptometry by enabling measurements of magnetic powders and thin films without requiring specific …
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Design of a 350 kW Silicon Carbide Based 3-phase Inverter with Ultra-Low Parasitic Inductance
… of this thesis is to present a design for a low parasitic inductance, high power density 3-phase inverter using silicon-carbide power modules for traction application in the electric vehicles with a power rating of 350 kW. With the market share of electric vehicles continuing to grow, there …
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Characterization of plasma conductivity by laser Thomson scattering in a high-voltage laser-triggered switch
… are used in pulsed-power applications where low jitter and high current are required. The switches allow operation in the mega-ampere, megavolt regime while maintaining low insertion losses. Low inductance HV-LTS designs have shown discrepancies between modeled and experimental behavior, …
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Compact power conditioning and RF systems for a high power RF source
… switch prevented stray circuit or generator inductance from causing fuse restrike. The RF system utilized a compact high voltage capacitor and low inductance shunt to produce high frequency RF as an alternative to HPM sources. Three geometries of the RF system were investigated with …
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Precision electron flow measurements in a disk transmission line
… drivers, it is ideal to minimize the electron flow near the load while maintaining a low inductance as to not suffer a decrease in system efficiency. While inductance and electron flow are normally competing requirements, transmission lines with a spatially varying gap in the direction of power …
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Magnetic flux compression for high voltage pulse applications
… helix produce high output energy only into low inductance loads, thus producing several 100 kA of current at a voltage level of less than l0kV. Many pulsed power devices require less current but a considerably higher voltage level. For effectively driving a high inductance load of several …
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Fabrication Refinements of Advanced Packaging Techniques for Medium-Voltage Wirebond-less Multi-Chip Power Modules
… devices with higher switching frequencies to lower the size of the passives in the converter and devices that can withstand higher operating temperatures as components move closer together to improve power densities. Devices that achieve higher switching speeds and lower specific on-state …
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Electromagnetic-thermal Characteristics of Conductor on Round Core (CORC) Cables
… (AC) losses. They are promising candidates for low-loss power transmission and low-inductance high-field magnets. This thesis carries out exhaustive research on the electromagnetic-thermal characteristics of CORC cables, and a charging method for a CORC magnet is proposed. After a brief …
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Design and verification of a current source inverter
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-10-19 without embargo terms
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Study of high temperature superconducting tapes for applications in high-field magnets and power systems
… of superconducting magnets with high field and low inductance is very important. This requires superconducting magnets to be able to carry very high current even with a small conductor curvature (less than 50 mm in some special cases). Due to the high current density and high tolerance to axial …
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Unlocking SiC MOSFET Switching Performance Through Packaging and Instrumentation
… transistor technologies. These materials allow for smaller transistors with reduced on state resistances and input capacitances, this reduces losses and supports higher switching frequencies. In contrast, packaging and measurement technologies have not significantly evolved to support these …