Why are transformers placed in oil-filled tanks

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Reference no: EM131266020

1. Why are transformers needed in a power system?

2. Why are transformers placed in oil-filled tanks?

3. Describe how the primary current adjusts itself as the load on a transformer is increased.

4. Explain why the core flux in a transformer is almost independent of load current.

5. Why is an OC test generally performed at rated voltage on LV side of a transformer?

Reference no: EM131266020

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