Which protection scheme is commonly used for transformer protection?

Which protection scheme is commonly used for transformer protection?

Step 1: Understand what a transformer is. A transformer is a device that changes the voltage of electricity.
Step 2: Learn about faults in transformers. A fault is a problem that can cause damage, like a short circuit.
Step 3: Know that protection schemes are methods used to keep transformers safe from faults.
Step 4: Identify differential protection. This is a specific method that compares the current entering and leaving the transformer.
Step 5: Realize that if there is a difference in current, it means there is a fault inside the transformer.
Step 6: Conclude that differential protection is commonly used because it effectively detects these internal faults.

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