A Rogowski Coil or Rope CT is a flexible current transformers that measures current for power metering and analysis of power quality. The Rogowski coils are an ideal solution when space is limited and requires a rope-style CT to physically wrap around a irregular shaped conductor or wire.
The Rogowski current transformer is used for current measurement of AC currents and mostly for retrospective installation in existing systems – often on power rails or power cables.
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Rogowski coils separate thus retrospective installation around the primary conductor is possible. The output signal coil and fed to a measurement transducer.