As chief engineer, to prevent the...

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Question 1 of 205eccefa4bacbc34ba4d4847e

As chief engineer, to prevent the motorization of an alternator what safety device would you have checked quarterly?

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5eccefa4bacbc34ba4d4847e

As chief engineer, to prevent the motorization of an alternator what safety device would you have checked quarterly?

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🔍 Key Concepts

• Alternator motorization and what causes a generator to start acting like a motor • Protection functions of a reverse power relay versus overcurrent relays • Which devices are intended to protect the alternator itself versus just signaling abnormal conditions (alarms)

💭 Think About

• Think about when an alternator is synchronized to a live bus: what happens if its prime mover (diesel/turbine) loses power but the breaker stays closed? • Which protective device is specifically designed to trip when power starts flowing into the alternator instead of out of it? • Which options are merely alarms (indications) and which are automatic protective trips that act fast enough to prevent damage?

✅ Before You Answer

• Identify which device detects direction of power flow, not just how large the current is • Separate alarms (which only warn you) from protective relays (which actually trip and prevent damage) • Confirm which relay is standardly used to prevent a generator from being driven as a motor by the switchboard bus

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Question 1 of 205eccefa4bacbc34ba4d4847e

As chief engineer, to prevent the motorization of an alternator what safety device would you have checked quarterly?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4847e

As chief engineer, to prevent the motorization of an alternator what safety device would you have checked quarterly?

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