Synchronized Measurement Technology in EMS
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Questions and Answers

What is the primary advantage of Synchronized Measurement Technology (SMT) over traditional SCADA systems?

  • SMT provides higher sampling frequency, capturing faster system dynamics. (correct)
  • SMT automatically takes corrective actions during faults without human intervention.
  • SMT reduces the complexity of power systems by excluding renewable energy sources.
  • SMT eliminates the need for communication networks in power systems.

    • What is a drawback of traditional SCADA systems?

  • They are unable to capture high-frequency oscillations in the power system.
  • They require extensive manual intervention for fault clearance.
  • They lack the ability to synchronize data acquisition across devices. (correct)
  • They are incompatible with renewable energy sources.

    • What is the typical data acquisition latency for traditional SCADA systems?

  • 1 to 4 seconds (correct)
  • 1 to 4 hours
  • 1 to 4 milliseconds
  • 1 to 4 minutes

    • Which statement best describes the impact of high renewable penetration and lower inertia on power systems?

    <p>It increases the complexity of the grid and requires faster system monitoring.</p> Signup and view all the answers

    What is a limitation of traditional SCADA systems in terms of data communication and visualization?

    <p>The data communication is slow and unreliable, and visualization takes up to a few minutes.</p> Signup and view all the answers

    What is the primary purpose of Synchronized Measurement Technology (SMT)?

    <p>To monitor system-wide dynamics in real-time</p> Signup and view all the answers

    What are the main components of an SMT system?

    <p>Phasor Measurement Units (PMUs), Phasor Data Concentrators (PDCs), and Communication Infrastructure</p> Signup and view all the answers

    What is the key advantage of PMUs over traditional SCADA systems?

    <p>They provide higher measurement resolution</p> Signup and view all the answers

    Which of the following is NOT a potential time synchronization source for SMT systems?

    <p>Power Line Communication (PLC)</p> Signup and view all the answers

    What is the fundamental requirement for accurate phasor estimation in SMT systems?

    <p>Precise time synchronization</p> Signup and view all the answers

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