As load is added to an AC generator provided...

Question 1 / 205eccefa4bacbc34ba4d4815c

Question 1 of 205eccefa4bacbc34ba4d4815c

As load is added to an AC generator provided with constant field excitation, the prime mover slows down. What immediate effect will this have on frequency and voltage?

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Question 1 of 20

5eccefa4bacbc34ba4d4815c

As load is added to an AC generator provided with constant field excitation, the prime mover slows down. What immediate effect will this have on frequency and voltage?

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🔍 Key Concepts

• Relationship between prime mover speed and AC frequency • Effect of constant field excitation on generated voltage in a synchronous AC generator • How load increase changes speed, frequency, and terminal voltage

💭 Think About

• If the prime mover slows down, what happens to the number of mechanical revolutions per second, and how does that relate to electrical cycles per second (Hz)? • With the field excitation held constant, does the internal generated voltage tend to rise or fall as speed drops? Why? • Think about what happens to terminal voltage of a generator when you put more load on it and the speed is not perfectly held constant.

✅ Before You Answer

• Confirm that frequency in an AC generator is directly proportional to rotor speed (for the same number of poles) • Confirm that with constant field excitation, generated voltage is roughly proportional to speed • Check whether both frequency and voltage will change in the same direction or in opposite directions when the prime mover slows down.

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Question 1 of 20

As load is added to an AC generator provided with constant field excitation, the prime mover slows down. What immediate effect will this have on frequency and voltage?

lowering frequency and lowering generated voltage

increasing frequency and increasing generated voltage

increasing frequency and lowering generated voltage

lowering frequency and increasing generated voltage

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Question 1 / 205eccefa4bacbc34ba4d4815c

Question 1 of 205eccefa4bacbc34ba4d4815c

As load is added to an AC generator provided with constant field excitation, the prime mover slows down. What immediate effect will this have on frequency and voltage?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4815c

As load is added to an AC generator provided with constant field excitation, the prime mover slows down. What immediate effect will this have on frequency and voltage?

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