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The question:

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The answer:

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I am confused isn't peak power is at peak torque i.e. breakdown torque? Which is at just above 0 RPM?

Source:

NCEES

PE Electrical and Computer: Power Practice Exam, 2020

ISBN 978-1-947801-16-5

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Maximum electrical power is at startup with max current.

But maximum mechanical power being the product of RPM and torque approaches max slip which is greater than rated power at 10 % slip.

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  • \$\begingroup\$ Can you please elaborate more? I didn't understand "approaches max slip which is greater than rated power at 10 % slip" \$\endgroup\$ – OMAR Jul 22 at 7:13

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