While paralleling two alternators, the...

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Question 1 of 205eccefa4bacbc34ba4d481d0

While paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. What would this indicate?

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Question 1 of 20

5eccefa4bacbc34ba4d481d0

While paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. What would this indicate?

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🔍 Key Concepts

• Paralleling alternators: what electrical conditions must match before closing the breaker • Synchronizing lamps and synchroscope: what each one actually indicates • Difference between voltage, frequency, and phase sequence/angle when synchronizing

💭 Think About

• Ask yourself: when the synchroscope pointer is at 0°, what is it telling you about the phase relationship of the two machines? • If the lamps stay bright instead of going dark at 0°, what does that say about the actual phase relationship between the systems? • Which of the answer choices describes a condition that would make the synchroscope indication unreliable even if the pointer appears correct?

✅ Before You Answer

• Review what dark lamps vs bright lamps mean during synchronization with three-lamp method • Confirm what condition must exist for the lamps to all go dark at the same instant as the synchroscope reaches 0° (in phase) • Think about whether speed (frequency), voltage, or power factor changes would keep the lamps lit continuously at the 0° indication

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Question 1 of 205eccefa4bacbc34ba4d481d0

While paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. What would this indicate?

Back

Question 1 of 20

5eccefa4bacbc34ba4d481d0

While paralleling two alternators, the synchronizing lamps remain lit as the synchroscope pointer approaches the 0°. What would this indicate?

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