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In a power transformer, the breather is provided in order to ____.
  • a)
    filter transformer oil
  • b)
    prevent ingress of moisture with air
  • c)
    the cooling oil
  • d)
    provide fresh air for increasing cooling effect
Correct answer is option 'B'. Can you explain this answer?
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In a power transformer, the breather is provided in order to ____.a)f...
Hence, the correct option is (B)
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Importance of Breather in a Power Transformer:
The breather is an essential component in a power transformer as it serves the crucial function of preventing the ingress of moisture with air. This is important because moisture can degrade the performance and efficiency of the transformer, leading to potential malfunctions and breakdowns.

Explanation:
- Moisture Absorption: When air enters the transformer, it carries moisture with it. This moisture can contaminate the transformer oil, leading to a decrease in its dielectric strength and overall performance. The breather helps to prevent this moisture from entering the transformer by acting as a barrier.
- Protecting the Transformer Oil: The transformer oil plays a key role in the cooling and insulation of the transformer. If moisture enters the transformer oil, it can lead to the formation of sludge and acids, which can deteriorate the oil quality and affect the transformer's efficiency. The breather helps to maintain the purity of the transformer oil by keeping moisture out.
- Prolonging Transformer Life: By preventing moisture ingress, the breather helps to prolong the life of the transformer. Moisture can cause corrosion and insulation breakdown, leading to costly repairs and potential downtime. By maintaining a dry environment within the transformer, the breather contributes to the longevity and reliability of the equipment.

Conclusion:
In conclusion, the breather is a critical component in a power transformer as it helps to safeguard the transformer from the harmful effects of moisture ingress. By maintaining a dry and clean environment within the transformer, the breather plays a key role in ensuring the efficient operation and longevity of the equipment.
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In a power transformer, the breather is provided in order to ____.a)filter transformer oilb)prevent ingress of moisture with airc)the cooling oild)provide fresh air for increasing cooling effectCorrect answer is option 'B'. Can you explain this answer?
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