Electrical Power System Device Numbers and Functions Flashcards by Burry Toes

Q

12 ⭐

A

OVER-SPEED DEVICE

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Q

13

A

SYNCHRONOUS-SPEED DEVICE

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Q

14 ⭐

A

UNDER-SPEED DEVICE

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Q

15

A

SPEED OR FREQUENCY MATCHING DEVICE

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Q

21 ⭐

A

DISTANCE RELAY

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Q

23

A

TEMPERATURE CONTROL DEVICE

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Q

25

A

ELECTRICAL SYNCHRONISM OR SYNC CHECK DEVICE

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Q

26 ⭐

A

APPARATUS THERMAL DEVICE (ARMORTISSEUR)

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Q

27 ⭐

A

UNDERVOLATGE RELAY

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Q

30

A

ANNUNCIATOR RELAY

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Q

37

A

UNDERCURRENT OR UNDERPOWER RELAY

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Q

38 ⭐

A

BEARING PROTECTIVE (TEMP) DEVICE

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Q

40 ⭐

A

FIELD RELAY

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Q

41 ⭐

A

FIELD CIRCUIT BREAKER DEVICE

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Q

43 ⭐

A

MANUAL TRANSFER OR SELECTOR DEVICE

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Q

46⭐

A

NEGATIVE PHASE SEQUENCE

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Q

48⭐

A

INCOMPLETE SEQUENCE RELAY

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Q

49⭐

A

MACHINE OR XFMR THERMAL RELAY

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Q

50⭐

A

INSTANTANEOUS OVERCURRENT RELAY

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Q

51⭐

A

AC TIME OVERCURRENT RELAY

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Q

52⭐

A

AC CIRCUIT BREAKER DEVICE

Q

55⭐

A

POWER FACTOR RELAY

Q

56

A

FIELD APPLICATION RELAY

Q

57

A

SHORT CIRCUITING OR GROUNDING DEVICE

Q

47

A

PHASE-SEQUENCE VOLTAGE RELAY

Q

59⭐

A

OVERVOLTAGE RELAY

Q

60

A

VOLTAGE OR CURRENT BALANCE RELAY

Q

63⭐

A

PRESSURE SWITCH

Q

64⭐

A

GROUND PROTECTIVE RELAY

Q

69

A

PERMISSIVE CONTROL DEVICE

Q

71⭐

A

LEVEL SWITCH

Q

72⭐

A

DC CIRCUIT BREAKER

Q

74

A

ALARM RELAY

Q

80⭐

A

FLOW SWITCH

Q

82⭐

A

DC RECLOSING RELAY

Q

86⭐

A

LOCKOUT RELAY

Q

87⭐

A

DIFFERENTIAL PROTECTIVE RELAY

Q

94⭐

A

TRIPPING RELAY

Q

89⭐

A

LINE SWITCH (DISCONNECT)

Q

81⭐

A

FREQUENCY RELAY

Q

79

A

AC RECLOSING RELAY

Q

75

A

POSITION CHANGING MECHANISM

Q

39

A

MECHANICAL CONDITION MONITOR (VIBRATION)

Q

33⭐

A

POSITION SWITCH

Q

22

A

EQUALIZER CIRCUIT BREAKER

Q

20⭐

A

ELECTRICALLY OPERATED VALVE (SOLENOID)

Q

53

A

EXCITER OR DC GENERATOR RELAY

Q

65

A

GOVERNER

Q

66

A

NOTCHING OR JOGGING

Q

3⭐

A

INTERLOCKING RELAY

Q

70⭐

A

RHEOSTAT