FLEXIBLE CURRENT TRANSFORMER ASSEMBLY

摘要

A current transformer assembly includes at least one Rogowski coil having a first closeable loop with an electrically conductive coil member and a fi rst pair of terminals. An integrator unit has respectively a cable connected across the first pair of terminals of a respective Rogowski coil. Each resp ective Rogowski coil provides an output voltage received by the integrator a ssembly caused by when a respective electrical conductor on a phase of a mul tiphase circuit is arranged within an opening of the closeable first loop of the respective Rogowski coil, and provides an output signal proportional to a current in a conductor arranged in an opening of a Rogowski coil. At leas t one of the Rogowski coils includes an inline calibration unit for fast cal ibration and recalibration when retrofitting a monitor module that monitors a value of the current in one or more conductors.