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What is the primary purpose of protective relays in transmission systems?

Practice Questions

Q1
What is the primary purpose of protective relays in transmission systems?
  1. To monitor voltage levels
  2. To disconnect faulty sections
  3. To regulate power flow
  4. To enhance transmission efficiency

Questions & Step-by-Step Solutions

What is the primary purpose of protective relays in transmission systems?
  • Step 1: Understand that a transmission system carries electricity over long distances.
  • Step 2: Know that sometimes there can be problems or faults in the system, like short circuits.
  • Step 3: Learn that protective relays are special devices that monitor the transmission system.
  • Step 4: Realize that when a fault is detected, the protective relay acts quickly.
  • Step 5: Understand that the relay disconnects the part of the system that has the fault.
  • Step 6: Remember that this action helps to prevent damage to the equipment and keeps the system safe.
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