Electrical Engineering · Power Electronics
In a microcontroller-based motor drive system, what is the primary trade-off encountered when increasing the switching frequency of the Pulse Width Modulation (PWM) signal?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Increased average output voltage and decreased motor torque
- 2Reduced current ripple in the motor but increased switching losses in the power converter✓
- 3Decreased electromagnetic interference but increased mechanical vibration
- 4Reduced switching losses but increased harmonic distortion in the low-frequency range
Correct answer
Reduced current ripple in the motor but increased switching losses in the power converter
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