Prior to closing the circuit breaker when...

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Question 1 of 205eccefa3bacbc34ba4d48045

Prior to closing the circuit breaker when paralleling two DC generators, what must you be certain of?

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5eccefa3bacbc34ba4d48045

Prior to closing the circuit breaker when paralleling two DC generators, what must you be certain of?

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🔍 Key Concepts

• Difference between AC and DC generator paralleling procedures • Importance of voltage and polarity when connecting DC machines to a live bus • Which instruments (synchroscope, frequency meters) apply only to AC systems

💭 Think About

• Ask yourself: In a DC system, do we worry about frequency and phase, or about something else before closing a breaker to a live bus? • Which of these choices mention things that only exist in AC systems (like frequency and synchroscope)? • What electrical quantity must closely match the bus to avoid a large surge of current when you close the breaker on a DC generator?

✅ Before You Answer

• Identify which answer choices refer to AC concepts (frequency, synchroscope) and rule them out for a DC system • Focus on the condition that prevents a large inrush current when connecting a DC generator to a bus • Confirm that the chosen condition is something you would actually be able to adjust and measure on a DC generator before closing the breaker

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Question 1 of 205eccefa3bacbc34ba4d48045

Prior to closing the circuit breaker when paralleling two DC generators, what must you be certain of?

Back

Question 1 of 20

5eccefa3bacbc34ba4d48045

Prior to closing the circuit breaker when paralleling two DC generators, what must you be certain of?

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