Ansi Device Functions Flashcards
1
Q
Over current instantaneous
A
50
2
Q
Over current Time
A
51
3
Q
Ac circuit breaker
A
52
4
Q
Over voltage relay
A
59
5
Q
Voltage or current balance relay
A
60
6
Q
Under voltage relay
A
27
7
Q
Distance relay
A
21
8
Q
Directional power relay
A
32
9
Q
Lockout relay
A
86
10
Q
Frequency relay
A
81
11
Q
Tripping or trip free relay
A
94
12
Q
Thermal relay
A
49
13
Q
Bus is
A
B
14
Q
Field is
A
F
15
Q
Ground or generator
A
g
