ANSI Device Numbers Flashcards
33 Questions
101 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the definition of the device number 25?

  • Permissive control device
  • Liquid or gas pressure device
  • Liquid or gas level relay
  • Synchronous device (correct)

    • What is the definition of the device number 63?

  • Alarm relay
  • Liquid or gas pressure device (correct)
  • Permissive control device
  • Operating mechanism

    • What is the definition of the device number 69?

  • Distance relay
  • Liquid or gas flow relay
  • Permissive control device (correct)
  • Frequency relay

    • What is the definition of the device number 71?

    <p>Liquid or gas level relay</p> Signup and view all the answers

    What is the definition of the device number 72?

    <p>DC circuit breaker</p> Signup and view all the answers

    What is the definition of the device number 74?

    <p>Alarm relay</p> Signup and view all the answers

    What is the definition of the device number 79?

    <p>AC Reclosing Relay</p> Signup and view all the answers

    What is the definition of the device number 27?

    <p>Undervoltage Relay</p> Signup and view all the answers

    What is the definition of the device number 80?

    <p>Liquid or gas flow relay</p> Signup and view all the answers

    What is the definition of the device number 30?

    <p>Annunciator relay</p> Signup and view all the answers

    What is the definition of the device number 83?

    <p>Automatic selective control or transfer relay</p> Signup and view all the answers

    What is the definition of the device number 33?

    <p>Position switch</p> Signup and view all the answers

    What is the definition of the device number 84?

    <p>Operating mechanism</p> Signup and view all the answers

    What is the definition of the device number 43?

    <p>Manual transfer or selector</p> Signup and view all the answers

    What is the definition of the device number 86?

    <p>Locking-out relay</p> Signup and view all the answers

    What is the definition of the device number 87?

    <p>Differential protective relay</p> Signup and view all the answers

    What is the definition of the device number 47?

    <p>Undervoltage relay (polyphase)</p> Signup and view all the answers

    What is the definition of the device number 88?

    <p>Motor generator or Aux motor</p> Signup and view all the answers

    What is the definition of the device number 49?

    <p>Transformer thermal relay (winding temperature)</p> Signup and view all the answers

    What is the definition of the device number 90?

    <p>Regulating device</p> Signup and view all the answers

    What is the definition of the device number 50?

    <p>Instantaneous overcurrent or rate of rise relay</p> Signup and view all the answers

    What is the definition of the device number 1?

    <p>101 switch master element</p> Signup and view all the answers

    What is the definition of the device number 51?

    <p>TIME overcurrent relay</p> Signup and view all the answers

    What is the definition of the device number 52?

    <p>AC circuit breaker (A &amp; B contacts)</p> Signup and view all the answers

    What is the definition of the device number 4?

    <p>Master contactor</p> Signup and view all the answers

    What is the definition of the device number 94?

    <p>Tripping or trip-free relay</p> Signup and view all the answers

    What is the definition of the device number 8?

    <p>Control power disconnecting device</p> Signup and view all the answers

    What is the definition of the device number 23?

    <p>Temperature control device</p> Signup and view all the answers

    What is the definition of the device number 26?

    <p>Apparatus thermal device oil temperature</p> Signup and view all the answers

    What is the definition of the device number 21?

    <p>Distance relay</p> Signup and view all the answers

    What is the definition of the device number 81?

    <p>Frequency relay</p> Signup and view all the answers

    What is the definition of the device number 65?

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

    What is the definition of the device number 11?

    <p>Multi-function device</p> Signup and view all the answers

    Study Notes

    ANSI Device Numbers

    • 25: Synchronous device used in synchronizing generators with a power system.
    • 63: Monitors liquid or gas pressure in various systems; crucial for operation safety.
    • 69: Acts as a permissive control device allowing certain operations under specified conditions.
    • 71: Functions as a liquid or gas level relay, ensuring safety and regulation of fluid levels.
    • 72: Serves as a DC circuit breaker, protecting electrical circuits by interrupting excessive currents.
    • 74: Alarm relay that triggers alarms in case of predetermined conditions being met.
    • 79: AC Reclosing Relay that automatically restores power after a temporary fault.
    • 27: Undervoltage relay that detects when voltage drops below a set threshold to prevent equipment damage.
    • 80: Monitors liquid or gas flow, critical for system efficiency and diagnosis.
    • 30: Annunciator relay which signals or indicates the status of a system or device.
    • 83: Automatic Selective Control or Transfer Relay that manages power distribution effectively.
    • 33: Position switch that detects the position of mechanical components in various applications.
    • 84: Operating mechanism that facilitates the actuation of switches or other devices.
    • 43: Manual transfer or selector that allows manual switching between power sources or feeds.
    • 86: Locking-out relay that ensures systems do not operate until specific conditions are met.
    • 87: Differential protective relay sensitive to differences in current, providing protection against faults.
    • 47: Undervoltage relay designed for polyphase systems, protecting against multi-phase operation failures.
    • 88: Motor generator or auxiliary motor, crucial for backup systems during outages.
    • 49: Transformer thermal relay that monitors winding temperature to prevent overheating.
    • 90: Regulating device managing system parameters to maintain optimal conditions.
    • 50: Instantaneous overcurrent relay ensures immediate tripping during excessive current occurrence.
    • 1: 101 switch master element critical for control systems and operational hierarchy.
    • 51: Time overcurrent relay that activates based on current and time duration, preventing overloads.
    • 52: AC circuit breaker with A and B contacts for multiple circuit management in AC systems.
    • 4: Master contactor that serves as a fundamental component for controlling power applications.
    • 94: Tripping or trip-free relay that allows relay operation without lockout conditions when fault occurs.
    • 8: Control power disconnecting device that safely isolates power in control circuits.
    • 23: Temperature control device that regulates temperature in various applications for safety.
    • 26: Apparatus thermal device monitoring oil temperature in machinery to prevent overheating.
    • 21: Distance relay that measures electrical distance and provides protection against short circuits.
    • 81: Frequency relay that monitors system frequency to ensure stability and control.
    • 65: Governor used in controlling speed or power output in mechanical systems.
    • 11: Multi-function device capable of performing various functions within electrical systems.

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Description

    Test your knowledge of ANSI device numbers with this quiz. Each flashcard presents a specific device number along with its definition, helping you to better understand their function and application. Ideal for students and professionals in electrical engineering and control systems.

    More Like This

    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser