AC generator circuits are protected against...

Question 1 / 205eccefa4bacbc34ba4d48170

Question 1 of 205eccefa4bacbc34ba4d48170

AC generator circuits are protected against malfunctions due to prime mover power loss. Specifically what device or devices provide this protection?

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Question 1 of 20

5eccefa4bacbc34ba4d48170

AC generator circuits are protected against malfunctions due to prime mover power loss. Specifically what device or devices provide this protection?

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🔍 Key Concepts

• Function of protective relays in generator circuits • Difference between reverse current and reverse power conditions • What happens to a generator when the prime mover fails but it remains connected to the bus

💭 Think About

• Think about what physically happens to an AC generator if the driving engine or turbine loses power while the generator is still synchronized to the switchboard: does it start taking power or delivering power? • Consider which device is designed to sense the direction of real power flow in an AC system rather than just current magnitude and direction. • Ask yourself which of these choices is typically associated with DC systems versus AC alternators on shipboard power plants.

✅ Before You Answer

• Verify which device specifically monitors power direction (kW), not just current. • Check which relay is commonly used for AC alternators to prevent the machine from becoming a motor and overloading the prime mover. • Eliminate options that are more about mechanical isolation or energy storage rather than automatic protection based on power flow.

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Question 1 of 20

AC generator circuits are protected against malfunctions due to prime mover power loss. Specifically what device or devices provide this protection?

main bus disconnect links

a separate battery backup

reverse current relays

reverse power relays

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Question 1 / 205eccefa4bacbc34ba4d48170

Question 1 of 205eccefa4bacbc34ba4d48170

AC generator circuits are protected against malfunctions due to prime mover power loss. Specifically what device or devices provide this protection?

Back

Question 1 of 20

5eccefa4bacbc34ba4d48170

AC generator circuits are protected against malfunctions due to prime mover power loss. Specifically what device or devices provide this protection?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed