Power Electronical

Other Details

Dissipation Factor (Tan-Delta) is one of the most influential off-line nondestructive diagnostic tool to check the state of solid insulation of various high voltage equipment. Capacitance and Tan-Delta values obtained on new insulation are treated as standard readings. Then by measuring and comparing the periodical readings of the Capacitance and Tan-Delta of the insulating material with the benchmark readings, one can know the rate of deterioration of health of the insulation. By calculation of the rate of deterioration we can: Repair the insulation before actual flashover, saving high cost of replacement of material which will reduce the inventory as well as delay in procurement at the last minute.

After repair, quality of insulation can be checked before returning the equipment to service.

Predict the future unexpected breakdown of the insulation of HV equipment.

Plan the maintenance schedule.