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PCB Rogowski coils for high di/dt current measurement

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2 Author(s)
Karrer, N. ; Electr. Eng. & Design Lab., Swiss Federal Inst. of Technol., Zurich, Switzerland ; Hofer-Noser, P.

In order to measure di/dt in the range of 10 to 20 kA/μs, air cored coils can be used. The coil's natural frequency limits the bandwidth of this probe. PCB coils have a natural frequency of 10 MHz or more. Theoretical analysis and measurements with di/dt of 5 kA/μs and 500 A are presented, employing the PCB coil in a HOKA current probe

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Power Electronics Specialists Conference, 2000. PESC 00. 2000 IEEE 31st Annual  (Volume:3 )

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