Ryosuke Takayama
Advanced Development Sect., Research & Development Dept.,
DIAMET CORPORATION
Abstract
More widespread use of AI and smartphones are quickly increasing the amount of power used by data centers. Higher power consumption is driving the need for power sources that can provide better power conversion efficiency. A higher coupling coefficient in power transformers is one challenge that stands in the way of increasing this power conversion efficiency. A low coupling coefficient causes a wide range of problems from inefficiency due to leakage flux to more power surges and noise. This case study ran shape optimizations of core geometry to take full advantage of the greater malleability of powdered metallurgy in order to improve the coupling coefficient.


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