https://irispower.com/products/rfaii-s/
RFAII-S - Rotor Flux Monitoring (Motors and Generators) - Iris Power
Jul 3, 2020 - RFAII-S periodic monitor rotor flux for shorted turn detection in hydro generators, motor-generators in reversible pump-turbines, and salient pole motors.
motors and generatorsrotorfluxmonitoringiris