ANSI/IEEE Standard Device Numbers Practice Flashcards

Flashcards covering ANSI/IEEE Standard Device Numbers for power system protection and relaying as presented in ECE 525 Session 7.

What is the title for the lecture notes in Session $7$?

Power Systems Protection and Relaying

What specific standard subject is covered in these notes?

ANSI/IEEE Standard Device Numbers

In which semester and year was the lecture material produced?

Fall $2014$

In North America, how are protective relays generally referred to?

Standard device numbers

What may be added to standard device numbers to specify the application?

Letters

Which IEEE standard is cited as the source for these device numbers?

IEEE Standard C37.2-2008

What is the standard name for device number $1$?

Master Element

What is the standard name for device number $2$?

Time Delay Starting or Closing Relay

What is the standard name for device number $3$?

Checking or Interlocking Relay

What is the standard name for device number $4$?

Master Contactor

What is the standard name for device number $5$?

Stopping Device

What is the standard name for device number $6$?

Starting Circuit Breaker

What is the standard name for device number $7$?

Rate of Change Relay

What is the standard name for device number $8$?

Control Power Disconnecting Device

What is the standard name for device number $9$?

Reversing Device

What is the standard name for device number $10$?

Unit Sequence Switch

What is the standard name for device number $11$?

Multifunction Device

What is the standard name for device number $12$?

Overspeed Device

What is the standard name for device number $13$?

Synchronous-speed Device

What is the standard name for device number $14$?

Underspeed Device

What is the standard name for device number $15$?

Speed or Frequency-Matching Device

What is the standard name for device number $16$?

Data Communications Device

What unit is represented by device number $20$?

Elect. operated valve (solenoid valve)

What is the standard name for device number $21$?

Distance Relay

What is the standard name for device number $23$?

Temperature Control Device

What is the standard name for device number $24$?

Volts per Hertz Relay

What is the standard name for device number $25$?

Synchronizing or Synchronism-Check Device

What is the standard name for device number $26$?

Apparatus Thermal Device

What is the standard name for device number $27$?

Undervoltage Relay

What is the standard name for device number $30$?

Annunciator Relay

What is the standard name for device number $32$?

Directional Power Relay

What is the standard name for device number $36$?

Polarity or Polarizing Voltage Devices

What is the standard name for device number $37$?

Undercurrent or Underpower Relay

What is the standard name for device number $38$?

Bearing Protective Device

What is the standard name for device number $39$?

Mechanical Conduction Monitor

What is the standard name for device number $40$?

Field (over/under excitation) Relay

What is the standard name for device number $41$?

Field Circuit Breaker

What is the standard name for device number $42$?

Running Circuit Breaker

What is the standard name for device number $43$?

Manual Transfer or Selector Device

What is the standard name for device number $46$?

Rev. phase or Phase-Bal. Current Relay

What is the standard name for device number $47$?

Phase-Seq. or Phase-Bal. Voltage Relay

What is the standard name for device number $48$?

Incomplete-Sequence Relay

What is the standard name for device number $49$?

Machine or Transformer Thermal Relay

What is the standard name for device number $50$?

Instantaneous Overcurrent

What is the standard name for device number $51$?

AC Time Overcurrent Relay

What is the standard name for device number $52$?

AC Circuit Breaker

What is the standard name for device number $53$?

Field Excitation Relay

What is the standard name for device number $55$?

Power Factor Relay

What is the standard name for device number $56$?

Field Application Relay

What is the standard name for device number $59$?

Overvoltage Relay

What is the standard name for device number $60$?

Voltage or Current Balance Relay

What is the standard name for device number $62$?

Time-Delay Stopping or Opening Relay

What type of switch is device number $63$?

Pressure Switch

What is the standard name for device number $64$?

Ground Detector Relay

What is the standard name for device number $65$?

Governor

What is the standard name for device number $66$?

Notching or jogging device

What is the standard name for device number $67$?

AC Directional Overcurrent Relay

What is the standard name for device number $68$?

Blocking or "out of step" Relay

What is the standard name for device number $69$?

Permissive Control Device

What is the standard name for device number $74$?

Alarm Relay

What unit is represented by device number $75$?

Position Changing Mechanism

What is the standard name for device number $76$?

DC Overcurrent Relay

What is the standard name for device number $78$?

Phase-Angle Measuring Relay

What is the standard name for device number $79$?

AC-Reclosing Relay

What is the standard name for device number $81$?

Frequency Relay

What is the standard name for device number $83$?

Automatic Selective Control or Transfer Relay

What is the standard name for device number $84$?

Operating Mechanism

What is the standard name for device number $85$?

Pliot Communications, Carrier or Pilot-Wire Relay

What is the standard name for device number $86$?

Lockout Relay

What is the standard name for device number $87$?

Differential Protective Relay

What type of switch is device number $89$?

Line Switch

What is the standard name for device number $90$?

Regulating Device

What is the standard name for device number $91$?

Voltage Directional Relay

What is the standard name for device number $92$?

Voltage and Power Directional Relay

What is the standard name for device number $94$?

Tripping or Trip-Free Relay

What does the suffix letter "B" represent?

Bus

What does the suffix letter "F" represent?

Field

What does the suffix letter "G" represent?

Ground or generator

What does the suffix letter "N" represent?

Neutral

What does the suffix letter "T" represent?

Transformer

What is the ANSI/IEEE standard device number for a Distance Relay?

$$21$$

What is the ANSI/IEEE standard device number for a Synchronizing or Synchronism-Check Device?

$$25$$

What is the ANSI/IEEE standard device number for an Undervoltage Relay?

$$27$$

What is the ANSI/IEEE standard device number for a Directional Power Relay?

$$32$$

What is the ANSI/IEEE standard device number for a Field (over/under excitation) Relay?

$$40$$

What is the ANSI/IEEE standard device number for a Rev. phase or Phase-Bal. Current Relay?

$$46$$

What is the ANSI/IEEE standard device number for a Phase-Seq. or Phase-Bal. Voltage Relay?

$$47$$

What is the ANSI/IEEE standard device number for a Machine or Transformer Thermal Relay?

$$49$$

What is the ANSI/IEEE standard device number for Instantaneous Overcurrent?

$$50$$

What is the ANSI/IEEE standard device number for an AC Time Overcurrent Relay?

$$51$$

What is the ANSI/IEEE standard device number for an AC Circuit Breaker?

$$52$$

What is the ANSI/IEEE standard device number for an Overvoltage Relay?

$$59$$

What is the ANSI/IEEE standard device number for a Voltage or Current Balance Relay?

$$60$$

What is the ANSI/IEEE standard device number for an AC Directional Overcurrent Relay?

$$67$$

What is the ANSI/IEEE standard device number for an AC-Reclosing Relay?

$$79$$

What is the ANSI/IEEE standard device number for a Frequency Relay?

$$81$$

What is the ANSI/IEEE standard device number for a Lockout Relay?

$$86$$

What is the ANSI/IEEE standard device number for a Differential Protective Relay?

$$87$$

What is the ANSI/IEEE standard device number for a Time-Delay Stopping or Opening Relay?

$$62$$