Physics · Electrical Machines
The improved starting torque in a deep-bar squirrel cage rotor of a three-phase induction motor is primarily due to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1reduced stator flux linkage during the startup phase
- 2increased rotor reactance at full-load operating speed
- 3non-uniform current distribution and skin effect in the rotor bars at startup✓
- 4the implementation of high-resistance rotor material along the entire depth of the bar
Correct answer
non-uniform current distribution and skin effect in the rotor bars at startup
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