Conference Paper Application-specific Micro Rogowski Coil for Power Modules -Design Tool, Novel Coil Pattern and Demonstration-

Koga, Masahiro  ,  Tsukuda, Masanori  ,  Nakashima, Kenta  ,  Omura, Ichiro

DS11pp.459 - 462 , 2016-03 , Vde Verlag
We developed a printed circuit board “Rogowski coil” to improve the reliability of power modules and packages. For the design, we used a new tool for sensitivity and adopted a fishbone coil pattern to realize design sensitivity. The developed coil demonstrates flat sensitivity that is as good as that of commercialized current probes/sensors because the proposed coil pattern successfully cancels noise from an outside current with flat signal sensitivity by an inside current.

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