Replacement of LT (Low Tension) and HT (High Tension) bushings of a transformer is a crucial maintenance task that ensures safe and reliable electrical connections. Bushings serve as insulating devices that allow conductors to pass safely through the transformer tank. Over time, they may become damaged due to electrical stress, contamination, or mechanical wear, leading to potential faults or oil leaks. Timely replacement of LT and HT bushings prevents insulation failure, improves transformer performance, and maintains system safety. The process involves careful removal, fitting of new bushings, and thorough testing. Regular inspection and replacement are essential for uninterrupted power system operation.
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