Rachel  Yang

Rachel Yang

Scholar Title

MIT EECS Analog Devices Undergraduate Research and Innovation Scholar

Research Title

Field Balancing in High-Frequency Power Inductors




Electrical Engineering and Computer Science

Research Areas
  • Power Electronics

David J. Perreault


High-Frequency Power Magnetics with Multi-Material Cores
Operation in the HF regime (3-30MHz) has shown promise in achieving miniaturization of power electronics by reducing core loss. Winding loss however becomes a large limiting factor in reducing the size of power magnetic components at HF. The proposed approach to minimizing winding loss is to use multi-material cores to manipulate the magnetic flux such that winding resistance is reduced. Through investigation of different multi-material core geometries via simulation and then development of optimization methods for each geometry reduced winding loss may be achieved in these power magnetic components allowing for successful high-frequency operation and thus miniaturization.


I really enjoyed my UROP with the Power Electronics Research Group last semester and wanted to get even more hands-on EE experience. I’m also excited to delve into some interesting magnetics by investigating properties of multi-material cores.

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