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SUBSTATION SYSTEM PROTECTION 2025 UPDATED ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS

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SUBSTATION SYSTEM PROTECTION 2025 UPDATED ACTUAL EXAM QUESTIONS AND CORRECT ANSWERS System protection - CORRECT ANSWERS the coordination and application of key equipment so that it functions in a manner that ensures the reliability and safety of a system. Protection scheme - CORRECT ANSWERS Used to indicate a certain application and coordination of equipment for a specific system. Do you and your co-workers performance at your job affect the overall reliability of the system? - CORRECT ANSWERS yes In the past what devices were considered part of the system protection? - CORRECT ANSWERS Circuit breakers, relays, and sectionalizers In the past were fuses considered part of the protection scheme? - CORRECT ANSWERS no SCADA stands for - CORRECT ANSWERS Supervisory control and data acquisition. System protection must ;be designed to what? - CORRECT ANSWERS equipment from both faulted conditions and abnormal conditions. What are the basic objectives of system protection? - CORRECT ANSWERS by reducing exposure. Protect workers working on lines and equipment.

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December 16, 2025
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Written in
2025/2026
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Questions & answers

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SUBSTATION SYSTEM PROTECTION 2025
UPDATED EXAM QUESTIONS AND CORRECT
ANSWERS
Substations - CORRECT ANSWERS Differential protection is the main scheme of protection
for?



False - CORRECT ANSWERS The majority of underground faults are not permited



True - CORRECT ANSWERS The closer you are to the substation, the higher the fault
current



Momentary outage - CORRECT ANSWERS This type of outage is short term and a
reclosure can restore service



Temporary - CORRECT ANSWERS Which type of fault is most common?



Install reclosures and fuses in the problem area - CORRECT ANSWERS What is a possible
solution to reduce the number of customers affected if outages continuously occur in a specific
location?



Pilot wire relaying - CORRECT ANSWERS Which of the following transmission relaying
schemes utilize some form of a telecommunication system to provide communication between
relays?



Power transformers - CORRECT ANSWERS Circuit switches are primarily used for?

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