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What is the function of a relay in power systems?

Practice Questions

Q1
What is the function of a relay in power systems?
  1. To measure voltage
  2. To provide backup power
  3. To detect faults and initiate circuit interruption
  4. To convert AC to DC

Questions & Step-by-Step Solutions

What is the function of a relay in power systems?
  • Step 1: Understand that a relay is a device used in power systems.
  • Step 2: Know that relays monitor the electrical system for any problems or abnormal conditions.
  • Step 3: Recognize that when a relay detects a problem, it sends a signal.
  • Step 4: This signal can trigger a circuit breaker to turn off the power in that area.
  • Step 5: The purpose of this action is to protect the system from damage and ensure safety.
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