Machine Design

Solid-State ac Power Sources for Transformer Testing

Solid-state ac supplies replace motor-generator and tap-changing transformers to offer the same tests at the push of a button • Solid-state ac-power sources combine the variable-frequency and ...
University of Sheffield

School of Electrical and Electronic Engineering

We empower students and staff to tackle global challenges through modern electrical and electronic engineering. Our excellence lies in scientific rigor, discipline depth, and real-world impact, ...
IEEE

AC Loss Analysis of Parallel Superconducting Coil Used in Multiphase Superconducting Armature Permanent Magnet Electrical Machine

Abstract: The phase current of mega watt (MW) class superconducting (SC) armature permanent magnet electrical machine (SCPMM) is quite high, usually from several hundred amperes to 1 kA, therefore, ...
IEEE

Design and Optimization of Forced Air-Cooled High-Power-Density Permanent Magnet Machines Based on Multiphysics Hierarchical Strategy

Abstract: A multiphysics hierarchical optimization strategy is proposed to enhance the optimization efficiency and quality of high-power-density permanent magnet (PM) machines. The analytical models ...