What would be the actual rotor speed for a...

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Question 1 of 2066636eed28f7522a1c51dda1

What would be the actual rotor speed for a 4-pole three-phase squirrel-cage induction motor operating at 60 Hz if the rotor slip is 3%?

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Question 1 of 20

66636eed28f7522a1c51dda1

What would be the actual rotor speed for a 4-pole three-phase squirrel-cage induction motor operating at 60 Hz if the rotor slip is 3%?

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🔍 Key Concepts

• Synchronous speed of a three-phase induction motor and how it depends on supply frequency and number of poles • Definition of rotor slip as the difference between synchronous speed and actual rotor speed • Relationship between slip (in percent or decimal) and the actual rotor speed

💭 Think About

• First, determine the synchronous speed in RPM for a 4‑pole motor supplied at 60 Hz before considering slip. • Convert the slip from a percentage to a decimal and think about whether slip increases or decreases the actual rotor speed compared to synchronous speed. • Use the relationship between synchronous speed, slip, and rotor speed to calculate the approximate rotor speed, then compare it with the answer choices.

✅ Before You Answer

• Verify the correct formula for synchronous speed in RPM using frequency (Hz) and number of poles. • Confirm that slip is applied as a reduction from synchronous speed, not an increase. • After calculating, check that your result is within a reasonable range of 3% less than synchronous speed before matching to the closest choice.

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Question 1 of 2066636eed28f7522a1c51dda1

What would be the actual rotor speed for a 4-pole three-phase squirrel-cage induction motor operating at 60 Hz if the rotor slip is 3%?

Back

Question 1 of 20

66636eed28f7522a1c51dda1

What would be the actual rotor speed for a 4-pole three-phase squirrel-cage induction motor operating at 60 Hz if the rotor slip is 3%?

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