Switchgear & Protection Quiz
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Questions and Answers

What is the main purpose of a protection system in an electrical power system?

  • To regulate the voltage in the power system
  • To reduce power losses in the electrical system
  • To control the electrical circuit
  • To protect personnel and primary electric power equipment from fault effects (correct)

    • Which of the following is a function of protection in an electrical power system?

  • Isolating the healthy part of the system
  • Identifying the location of fault (correct)
  • Increasing the chances of faults in transmission lines
  • Reducing the conductivity of the electrical circuit

    • What are the two main classifications of switchgear?

  • Analog switchgear and digital switchgear
  • Transistor switchgear and diode switchgear
  • Low voltage switchgear and high voltage switchgear (correct)
  • Mechanical switchgear and electrical switchgear

    • Which material properties are essential for fuse elements used in a protection system?

    <p>Low melting point, low ohmic loss, and high conductivity</p> Signup and view all the answers

    Why are chances of fault very high in transmission lines compared to machines and generators?

    <p>Because transmission lines are exposed to the environment</p> Signup and view all the answers

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