IEEE Std Device Numbers Flashcards

1
Q

21

A

distance relay

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2
Q

25

A

synchronizing relay

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3
Q

27

A

undervoltage relay

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4
Q

32

A

directional power relay

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5
Q

30

A

field relay

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6
Q

50

A

instantaneous overcurrent relay

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7
Q

51

A

AC time overcurrent relay

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8
Q

59

A

overvoltage relay

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9
Q

67

A

AC directional overcurrent relay

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10
Q

74

A

alarm relay

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11
Q

81

A

frequency relay

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12
Q

83

A

transfer relay

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13
Q

86

A

lockout relay

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14
Q

87

A

differential protective relay

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15
Q

distance relay

A

21

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16
Q

synchronizing

17
Q

undervoltage relay

18
Q

field relay

19
Q

directional power relay

20
Q

instantaneous overcurrent relay

21
Q

AC time overcurrent relay

22
Q

overvoltage relay

23
Q

AC directional overcurrent relay

24
Q

alarm relay

25
Q

frequency relay

26
Q

transfer relay

27
Q

lockout relay

28
Q

differential protective relay