Electrical Engineering · Electrical Machines
What is the primary function of a breather in an electrical transformer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To filter impurities out of the transformer oil
- 2To prevent moisture from entering the transformer when outside air is drawn in✓
- 3To provide cooling air directly to the windings
- 4To provide oxygen for cooling the insulating oil
Correct answer
To prevent moisture from entering the transformer when outside air is drawn in
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