An undervoltage release mechanism (UVR) is...

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Question 1 of 2066636ef128f7522a1c52310c

An undervoltage release mechanism (UVR) is fitted to all generator breakers and some main feeder circuit breakers for what primary reason?

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Question 1 of 20

66636ef128f7522a1c52310c

An undervoltage release mechanism (UVR) is fitted to all generator breakers and some main feeder circuit breakers for what primary reason?

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🔍 Key Concepts

• Undervoltage release (UVR) function in circuit breakers on shipboard generators • Difference between voltage-related protection, overspeed protection, and reverse power protection • What usually causes a breaker to open automatically when system voltage becomes too low

💭 Think About

• Ask yourself: Does undervoltage protection act when the generator is going too fast, too slow, or when system voltage collapses? • Which device normally protects against reverse power—is that usually an undervoltage trip or a separate relay? • In a serious fault that pulls the bus voltage way down, what must happen to connected breakers to protect equipment and maintain selectivity?

✅ Before You Answer

• Match the term undervoltage directly with the condition it responds to—do not confuse it with frequency or power direction. • Recall that reverse power protection is typically provided by a dedicated reverse power relay, not a UVR. • Think about what happens to a breaker’s UV coil when system voltage drops severely—does it hold the breaker closed or cause it to open?

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Question 1 of 2066636ef128f7522a1c52310c

An undervoltage release mechanism (UVR) is fitted to all generator breakers and some main feeder circuit breakers for what primary reason?

Back

Question 1 of 20

66636ef128f7522a1c52310c

An undervoltage release mechanism (UVR) is fitted to all generator breakers and some main feeder circuit breakers for what primary reason?

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