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Four common methods currently used to eliminate pollution flashovers
Insulator Washing in Hot-line or Offline
Not suited to all equipments
Needs special equipments
Needs skilled operators
Frequency– Needs to be done frequently
High Risk
Recurring cost
Equipment Failure.
Applying silicone grease
High material cost
High labor cost
Long outages
Not for bulky equipments
Spent material disposal
Unpleasant task
Leakage currents are degrading the
Grease to a white, water-absorbent silica
Replace the ceramic or glass insulators with composite insulators
Composite insulator is an organic composite material, and can be an alternative to Porcelain/glass insulators, but the most important factor is that the cost of replacement from Porcelain or glass Insulators to composite insulators which is much higher in comparison compared with the cost of RTV application.
Applying RTV silicone coatings
