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Application Notes - Current Measurement

Application NOTESAPPLICATION Notes Contents 1. The Basics ..2 What is a Rogowski Current transducer? ..2 How does a Rogowski Current transducer work? ..2 What are the advantages of Rogowski Current transducers? ..3 How does a Rogowski transducer compare to a Current Transformer? ..3 2. Frequency Response measuring sinusoids, quasi sinusoids and pulses ..4 What is the typical frequency response of a Rogowski Current transducer? ..4 What determines high frequency (-3dB) bandwidth of Rogowski Current transducers? ..4 Phase shift and attenuation of sinusoidal currents from kHz to MHz ..4 Measuring fast switching transients (sub s) ..6 What determines the low frequency (-3dB) bandwidth of Rogowski Current transducers?

APPLICATION NOTES Contents 1. The Basics …….…2 1.1 What is a Rogowski current transducer? …….…2 1.2 How does a Rogowski current transducer work?

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