ANSI/IEEE Standard Device Numbers Flashcards
1
Q
IEEE# 21
A
Distance Relay
2
Q
IEEE# 25
A
Syncronizing or Synchronism Check Device
3
Q
IEEE# 27
A
Under Voltage Relay
4
Q
IEEE# 50
A
Instantaneous Overcurrent Relay
5
Q
IEEE# 51
A
AC Time Overcurrent Relay
6
Q
IEEE# 52
A
AC Circuit Breaker
7
Q
IEEE# 59
A
Overvoltage Relay
8
Q
IEEE# 86
A
Lockout Relay
9
Q
IEEE# 87
A
Differential Protective Relay
