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IEEE Protective Relay Numbering > IEEE Relaying Numbering > Flashcards

IEEE Relaying Numbering Flashcards

1
Q
A
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2
Q

1

A

Master Element

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3
Q

2

A

Time Delay Starting or Closing Relay

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4
Q

3

A

Checking or Interlocking Relay

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5
Q

4

A

Master Contactor

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6
Q

5

A

Stopping Device

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7
Q

6

A

Starting Circuit Breaker

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8
Q

7

A

Rate of Change Relay

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9
Q

8

A

Control Power Disconnecting Device

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10
Q

9

A

Reversing Device

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11
Q

10

A

Unit Sequence Switch

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12
Q

11

A

Multifunction Device

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13
Q

12

A

Overspeed Device

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14
Q

13

A

Synchronous speed Device

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15
Q

14

A

Underspeed Device

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16
Q

15

A

Speed or Frequency Matching Device

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17
Q

16

A

Data Communications Device

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18
Q

20

A

Elect. operated valve (solenoid valve)

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19
Q

21

A

Distance Relay

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20
Q

23

A

Temperature Control Device

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21
Q

24

A

Volts per Hertz Relay

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22
Q

25

A

Synchronizing or Synchronism Check

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23
Q

26

A

Apparatus Thermal Device

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24
Q

27

A

Undervoltage Relay

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25
Q

30

A

Annunciator Relay

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26
Q

32

A

Directional Power Relay

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27
Q

36

A

Polarity or Polarizing Voltage Devices

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28
Q

37

A

Undercurrent or Underpower Relay

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29
Q

38

A

Bearing Protective Device

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30
Q

39

A

Mechanical Conduction Monitor

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31
Q

40

A

Field (over/under excitation) Relay

32
Q

41

A

Field Circuit Breaker

33
Q

42

A

Running Circuit Breaker

34
Q

43

A

Manual Transfer or Selector Device

35
Q

46

A

Rev. phase or Phase Bal. Current Relay

36
Q

47

A

Phase Seq. or Phase Bal. Voltage Relay

37
Q

48

A

Incomplete Sequence Relay

38
Q

49

A

Machine or Transformer Thermal Relay

39
Q

50

A

Instantaneous Overcurrent

40
Q

51

A

AC Time Overcurrent Relay

41
Q

52

A

AC Circuit Breaker

42
Q

53

A

Field Excitation Relay

43
Q

55

A

Power Factor Relay

44
Q

56

A

Field Application Relay

45
Q

59

A

Overvoltage Relay

46
Q

60

A

Voltage or Current Balance Relay

47
Q

62

A

Time Delay Stopping or Opening Relay

48
Q

63

A

Pressure Switch

49
Q

64

A

Ground Detector Relay

50
Q

65

A

Governor

51
Q

66

A

Notching or jogging device

52
Q

67

A

AC Directional Overcurrent Relay

53
Q

68

A

Blocking or ?out of step? Relay

54
Q

69

A

Permissive Control Device

55
Q

74

A

Alarm Relay

56
Q

75

A

Position Changing Mechanism

57
Q

76

A

DC Overcurrent Relay

58
Q

78

A

Phase Angle Measuring Relay

59
Q

79

A

AC Reclosing Relay

60
Q

81

A

Frequency Relay

61
Q

83

A

Automatic Selective Control or Transfer

62
Q

84

A

Operating Mechanism

63
Q

85

A

Pliot Communications, Carrier or Pilot

64
Q

86

A

Lockout Relay

65
Q

87

A

Differential Protective Relay

66
Q

89

A

Line Switch

67
Q

90

A

Regulating Device

68
Q

91

A

Voltage Directional Relay

69
Q

92

A

Voltage and Power Directional Relay

70
Q

94

A

Tripping or Trip Free Relay

71
Q

B

A

Bus

72
Q

F

A

Field

73
Q

G

A

Ground or generator

74
Q

N

A

Neutral

75
Q

T

A

Transformer

IEEE Protective Relay Numbering (1 decks)

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