Electrical Power System Device Numbers and Functions Flashcards
1
Q
12 ⭐
A
OVER-SPEED DEVICE
2
Q
13⭐
A
SYNCHRONOUS-SPEED DEVICE
3
Q
14 ⭐
A
UNDER-SPEED DEVICE
4
Q
21 ⭐
A
DISTANCE RELAY
5
Q
26 ⭐
A
APPARATUS THERMAL DEVICE (ARMORTISSEUR)
6
Q
27 ⭐
A
UNDERVOLATGE RELAY
7
Q
38 ⭐
A
BEARING PROTECTIVE (TEMP) DEVICE
8
Q
40 ⭐
A
FIELD RELAY
9
Q
41 ⭐
A
FIELD CIRCUIT BREAKER DEVICE
10
Q
43 ⭐
A
MANUAL TRANSFER OR SELECTOR DEVICE
11
Q
46⭐
A
REVERSE PHASE OR PHASE BALANCE CURRENT RELAY
12
Q
48⭐
A
INCOMPLETE SEQUENCE RELAY
13
Q
49⭐
A
MACHINE OR XFMR THERMAL RELAY
14
Q
50⭐
A
INSTANTANEOUS OVERCURRENT RELAY
15
Q
51⭐
A
AC TIME OVERCURRENT RELAY
