DWR Ansi Device No. San Joaquin Protective Relay Flashcards

1
Q

48

A

Incomplete Sequence Relay

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2
Q

46

A

Reverse -phase or phase balance

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3
Q

43

A

Manual Transfer or Selector device

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4
Q

41

A

Field Circuit Breaker

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5
Q

40

A

Field Relay

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6
Q

38

A

Bearing Protective device

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7
Q

33

A

Position Switch

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8
Q

27

A

Undervoltage

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9
Q

26

A

Apparatus thermal device

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10
Q

21

A

Distance Relay

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11
Q

20

A

Solenoid valve

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12
Q

14

A

Under-speed device

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13
Q

13

A

Synchronous-speed device

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14
Q

3

A

Checking or Interlocking relay

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15
Q

94

A

Tripping or trip-free relay

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16
Q

90

A

Regulating device

17
Q

89

A

Line Switch

18
Q

87

A

Differential Protective Relay

19
Q

86

A

Locking-Out Relay

20
Q

81

A

Frequency Relay

21
Q

80

A

Flow Switch

22
Q

72

A

DC circuit breaker

23
Q

71

A

Level Switch

24
Q

70

A

Rheostat

25
Q

64

A

Ground protective relay

26
Q

63

A

Pressure Switch

27
Q

62

A

Time-delay stopping/opening

28
Q

59

A

Overvoltage Relay

29
Q

56

A

Field application relay

30
Q

55

A

Power Factor Relay

31
Q

52

A

AC circuit Breaker

32
Q

51

A

AC time overcurrent relay

33
Q

50

A

Instantaneous overcurrent

34
Q

49

A

Machine or transformer thermal relay