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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?
They are already fully coordinated.
Some relay settings need adjustment.
The backup relay is working too slowly.
Only the main relay needs replacement.
Explanation:
Paul says, “Some relay settings need adjustment.”
2.
Which relays does Paul say are overlapping?
Main and backup relays
Primary and secondary cables
Input and output relays
Generator and transformer relays
Explanation:
Paul states that the “Main and backup relays overlap.”
3.
Why does Anna suggest increasing the delay?
To stop the main relay from operating
To shorten the protection study
To reduce the chance of false trips
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 needs timing changes to work properly.
It cannot be updated anymore.
It is already optimized for safety.
It has no backup relay installed.
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
Cancel the backup relay
Update the settings
Replace the main relay immediately
Explanation:
Anna ends by saying, “Good, please update the settings.”
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