FluxTracII-S

FluxTracII-S™

 

The condition of the rotor pole insulation is difficult to assess during minor or major maintenance outages. Access to the poles is severely restricted without some disassembly and removal of components. Offline tests like the pole-drop test for detection of shorted turns can also be frustratingly ineffective due to the frequently intermittent nature of the faults at speed and standstill. These offline tests are also time-consuming, tying up resources and personnel that, during an outage, could be better utilized elsewhere. Consequently, continuous on-line measurements are preferred to off-line tests and inspections.

 

The Iris Power FluxTracII-S instrument is a continuous on-line rotor flux monitor for rotor winding shorted turn detection in salient pole machines such as hydro generators, motor-generators in reversible pump-turbines, and salient pole motors. It was developed in cooperations with the US Electric Power Research Insstitute, the New York Power Authority, and the US Bureau of Reclamation.

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