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.
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Showing 1 to 7 of 7 for “"electromagnetic design"”.
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Design optimisation of a slotless brushless permanent magnet DC motor with helically-wound laminations for underwater rim-driven thrusters
… steel that is edge wound into a spiral.<br/>The electromagnetic design of the motor was optimised for maximum efficiency for a given propeller torque and speed. The airgap flux density in was obtained from an analytical solution of Laplace and Poisson's equations of scalar magnetic potential. …
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Design, analysis and prototyping of a high speed surface mounted permanent magnet machine
… This thesis aims to contribute knowledge to the design and development of a high-speed surface mounted permanent magnet machine. A numerical procedure for the detailed sizing of a high-speed surface mounted permanent magnet (SPM) machine is outlined in this dissertation. An analytical per phase …
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Hybrid classical-quantum optimization algorithms in electromagnetic applications
… develops a unified Ising-based framework for electromagnetic design, with a particular focus on reconfigurable intelligent surfaces (RISs) and antenna array synthesis. A broad class of electromagnetic tasks—including discrete-phase RIS configuration, antenna beamforming and null steering for …
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Alternative structures for integrated electromagnetic passives
… power density keeps driving the development of electromagnetic integration technologies in the field of power electronics. Based on planar homogeneous integrated structures, the mechanism of the electromagnetic integration of passives has been investigated with distributed-parameter models. High …
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Switched-doubly-fed-machine drive for high power applications
… by VSDs. At these higher power levels, the VSD design is significantly challenging due to the limited available power-electronic device ratings and allowable switching frequency leading to design trade-offs among size, efficiency, performance, reliability, and cost. This dissertation proposes a …
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In-situ impedance characterization for assessing SiC MOSFETs reliability
… devices referenced to non-zero potentials. Electromagnetic design of a three-port transformer and a novel clamp-bias circuit are discussed in detail. The complete solution is experimentally validated on a SiC half-bridge operating at 800 V with 16 APP ripple current, successfully detecting …
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Analysis and Design of High-Speed Induction Machines for Submerged Cryogenic Pumps
L'abstract é presente nell'allegato / the abstract is in the attachment