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4.1
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An
is an audible or visible signal used to attract attention to an action that has automatically occurred or a condition that requires a response
alarm
An
is a panel of alarms designed to bring attention to a specified area or situation
annunciator
An
is an instrument that makes a permanent record of the instantaneous values of quantities.
oscillograph
A
is an instrument used to record instantaneous values of fault current onto printed paper
digital fault recorder
What are the 3 major reasons alarms are installed in the stations
1. To warn of abnormal conditions.
2. To reduce the probability of injury to personnel, damage to
equipment, or interruption of service.
3. To serve as an aid to you in the performance of your duties as an Operator
True/False
If the alarm cannot be cleared, you may have to monitor the equipment until the condition has been corrected
True
False
True
Oscillographs have been replaced by
.
fault recorders
What are the two levels of alarms on the RTU
Urgent/Urgent Critical
True/False
The DRF records pre-fault, fault, and post fault data
True
False
True
Author
Benjammincash
ID
355296
Card Set
4.1
Description
Alarms, Annunciators, and Oscillographs
Updated
2021-05-19T03:09:39Z
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