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Listening Quiz: Xem Xét Cài Đặt Rơ Le Bảo Vệ Hệ Thống Điện – Easy Level
Th12 2, 2024
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bởi
Anna Phạm
trong
Tiếng Anh dành cho Kỹ sư điện (English for Electrical Engineer)
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5
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1.
What did Paul say about the relay settings?
Only the main relay needs replacement.
Some relay settings need adjustment.
They are already fully coordinated.
The backup relay is working too slowly.
Explanation:
Paul says, “Some relay settings need adjustment.”
2.
Which relays does Paul say are overlapping?
Main and backup relays
Primary and secondary cables
Generator and transformer relays
Input and output relays
Explanation:
Paul states that the “Main and backup relays overlap.”
3.
Why does Anna suggest increasing the delay?
To reduce the chance of false trips
To shorten the protection study
To stop the main relay from operating
To make the system easier to test
Explanation:
Anna says the overlap can cause false trips, and Paul agrees that increasing the delay on the backup relay will fix the timing and improve coordination.
4.
What can be inferred about the current relay setup?
It has no backup relay installed.
It needs timing changes to work properly.
It is already optimized for safety.
It cannot be updated anymore.
Explanation:
Paul says the relays overlap and that the timing must be fixed, which implies the current setup needs timing changes.
5.
What does Anna ask Paul to do at the end of the conversation?
Prepare a new protection study
Replace the main relay immediately
Cancel the backup relay
Update the settings
Explanation:
Anna ends by saying, “Good, please update the settings.”
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