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