If an induction motor were to be operated at...

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Question 1 of 205eccefa4bacbc34ba4d48200

If an induction motor were to be operated at 90% rated voltage and at rated load, what would be the result?

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5eccefa4bacbc34ba4d48200

If an induction motor were to be operated at 90% rated voltage and at rated load, what would be the result?

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🔍 Key Concepts

• Induction motor torque vs voltage (torque ∝ V²) • Difference between synchronous speed and slip and what they depend on • How running current and heating change when voltage is reduced but load (kW) stays the same

💭 Think About

• If the supply voltage is reduced to 90% but the mechanical load (kW) is still rated, what must happen to the motor current to deliver the same power? • Does synchronous speed depend on voltage or on supply frequency and number of poles? What actually changes when voltage is reduced? • How does torque at a given slip change when voltage is reduced, and what does the motor do (in terms of slip and current) to try to maintain the same load torque?

✅ Before You Answer

• Confirm that starting torque is proportional to the square of voltage for an induction motor. • Verify what sets synchronous speed (frequency and poles vs voltage). • Think about whether lower voltage at same load tends to make current and copper losses (I²R) go up or down, and what that does to motor temperature.

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Question 1 of 205eccefa4bacbc34ba4d48200

If an induction motor were to be operated at 90% rated voltage and at rated load, what would be the result?

Back

Question 1 of 20

5eccefa4bacbc34ba4d48200

If an induction motor were to be operated at 90% rated voltage and at rated load, what would be the result?

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