Electrical Power System Device Numbers and Functions Flashcards
(36 cards)
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
16
Q
52⭐
A
AC CIRCUIT BREAKER DEVICE
17
Q
55⭐
A
POWER FACTOR RELAY
18
Q
56⭐
A
FIELD APPLICATION RELAY
19
Q
59⭐
A
OVERVOLTAGE RELAY
20
Q
63⭐
A
PRESSURE SWITCH
21
Q
64⭐
A
GROUND PROTECTIVE RELAY
22
Q
71⭐
A
LEVEL SWITCH
23
Q
72⭐
A
DC CIRCUIT BREAKER
24
Q
80⭐
A
FLOW SWITCH
25
86⭐
LOCKOUT RELAY
26
87⭐
DIFFERENTIAL PROTECTIVE RELAY
27
94⭐
TRIPPING OR TRIP-FREE RELAY
28
89⭐
LINE SWITCH (DISCONNECT)
29
81⭐
FREQUENCY RELAY
30
33⭐
POSITION SWITCH
31
20⭐
ELECTRICALLY OPERATED VALVE (SOLENOID)
32
3⭐
CHECKING OR INTERLOCKING RELAY
33
70⭐
RHEOSTAT
34
4⭐
Master Contactor
35
90⭐
REGULATING DEVICE
36
62⭐
TIME DELAY STOPPING OR OPENING RELAY
