Overheating of Transformer Happens Due to | Power System Protection MCQ
Overheating of the transformer happens due to:
- Overloading
- Short-circuits
- Both of these
- None of these
Correct answer: 3. Both of these
There are two major facts which cause overheating in transformer:
- Overloading
- Short-circuits
Alongside overloading and short-circuits, failure of the transformer cooling system might also lead to overheating. However, this is rare as compared to the above-mentioned reasons.
Transformers are protected using thermal accessories for alarming the operator at generation station and yards.
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