DWR Ansi Device No. San Joaquin Protective Relay Flashcards by isaac dunn

Q

48

A

Incomplete Sequence Relay

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Q

46

A

Reverse -phase or phase balance

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Q

43

A

Manual Transfer or Selector device

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Q

41

A

Field Circuit Breaker

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Q

40

A

Field Relay

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Q

38

A

Bearing Protective device

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Q

33

A

Position Switch

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Q

27

A

Undervoltage

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Q

26

A

Apparatus thermal device

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Q

21

A

Distance Relay

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Q

20

A

Solenoid valve

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Q

14

A

Under-speed device

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Q

13

A

Synchronous-speed device

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Q

3

A

Checking or Interlocking relay

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Q

94

A

Tripping or trip-free relay

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Q

90

A

Regulating device

Q

89

A

Line Switch

Q

87

A

Differential Protective Relay

Q

86

A

Locking-Out Relay

Q

81

A

Frequency Relay

Q

80

A

Flow Switch

Q

72

A

DC circuit breaker

Q

71

A

Level Switch

Q

70

A

Rheostat

Q

64

A

Ground protective relay

Q

63

A

Pressure Switch

Q

62

A

Time-delay stopping/opening

Q

59

A

Overvoltage Relay

Q

56

A

Field application relay

Q

55

A

Power Factor Relay

Q

52

A

AC circuit Breaker

Q

51

A

AC time overcurrent relay

Q

50

A

Instantaneous overcurrent

Q

49

A

Machine or transformer thermal relay