Which type of protection used in a substation

Question

Accepted Answer

Different types of protection are used in a substation to ensure safety and reliability.

Overcurrent protection: Protects against excessive current flow.
Overvoltage protection: Safeguards against high voltage surges.
Differential protection: Detects faults by comparing currents entering and leaving the substation.
Distance protection: Protects transmission lines based on the distance to the fault.
Ground fault protection: Detects faults to ground and prevents electrical shock hazards.
Transformer protection: Monitors and protects transformers from faults and abnormal conditions.
Backup protection: Provides redundancy and backup in case primary protection fails.
Communication-based protection: Uses communication networks to coordinate protection schemes.
Arc flash protection: Mitigates the hazards of arc flashes during faults.
Lightning protection: Protects against lightning strikes and their damaging effects.

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