Power System Protection Quiz
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Questions and Answers

What are the main components in power systems that require protection?

  • Generators, Capacitors, Switches, Cables, Induction Machines
  • Generators, Transformers, Buses, Lines, Motors or Static Loads (correct)
  • Rectifiers, Surge Arresters, Capacitors, Insulators, Circuit Breakers
  • Reactors, Inverters, Relays, Conductors, Synchronous Machines

    • What may result in degradation in performance of insulators which may lead to breakdown and short circuits?

  • High voltage fluctuations
  • Mechanical wear and tear
  • Aging and pollution (correct)
  • Chemical reactions

    • What could cause overcurrent or overvoltages in power systems?

  • Routine maintenance, line switching, load shedding, capacitor bank switching
  • Abnormalities such as aging, pollution, tree falling on overhead line, lightning strikes (correct)
  • Generator synchronization, transformer tap changing, line re-conductoring, motor starting
  • Frequency regulation, voltage control, power factor correction, harmonics filtering

    • What is the concept of short-circuit in power systems?

    <p>A fault condition where current bypasses the normal load path</p> Signup and view all the answers

    What may cause a fault in a power system?

    <p>A tree falling or touching an overhead line</p> Signup and view all the answers

    What is the main purpose of power system protection?

    <p>To prevent damage to power system components from abnormalities</p> Signup and view all the answers

    What could cause insulation failure in a power system?

    <p>A lightning strike</p> Signup and view all the answers

    Which component in a power system is susceptible to degradation from aging and pollution?

    <p>Insulators</p> Signup and view all the answers

    What may cause a fault in a power system?

    <p>A tree falling or touching an overhead line</p> Signup and view all the answers

    What could lead to damage of power system components?

    <p>Overcurrent or overvoltages</p> Signup and view all the answers

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