Rogowski coils: theory and experimental results.
The theory is given of the voltage output of a Rogowski coil excited by a current pulse flowing along the axis of the coil. In this theory the Rogowski coil is considered as a delay line. The results do not differ from those obtained usually by considering the coil as a voltage source dphi/dt with an inductive output impedance. Details are also given of the design of two Rogowski coils and their working modes are fully analyzed.
Nassisi
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Istituto di Fisica, Universitá di Lecce, Lecce, Italy.
Luches
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