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Insulation Gas transformer service End of Life Services rental

MAINTENANCE INSTRUCTIONS FOR POWER TRANSFORMERStelk.com/UserFiles/telk/Power Transformer - Maintenance Schedule.pdf· PDF fileOil in transformer Check for dielectric strength and water content Take suitable action to restore quality of oil. 14 Half yearly or at the end of 5000 operations Oil in the diverter switch of OLTC a. Dielectric strength Filter or replace if BDV is less than specified value. b. Water content Measure the water content using KARL FISHER method.

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