Electrical Engineering · Transformers
What is the primary purpose of 'Thermal Overload Protection' in a power transformer?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To detect gas generation due to internal incipient faults
- 2To monitor and prevent excessive temperature rise in the transformer windings and insulation✓
- 3To instantly isolate external dead short circuits in the transmission line
- 4To protect against high-voltage surges caused by lightning strikes
Correct answer
To monitor and prevent excessive temperature rise in the transformer windings and insulation
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