What causes 3-phase motors to overheat?

What causes 3-phase motors to overheat? Three-phase motors overheat due to several factors, including: Overloading – Running the motor beyond its rated capacity. Voltage Imbalance – Unequal voltages across the three phases cause excessive current in one or more windings. Poor Ventilation – Blocked or dirty cooling systems prevent heat dissipation. Harmonics – Distorted waveforms from non-linear loads increase losses and heating. High Ambient Temperature – Operating in hot environments without proper cooling. Bearing Issues – Worn or misaligned bearings create friction and increase temperature. Single Phasing – Loss of one phase causes the remaining windings to carry excessive current. Incorrect Voltage or Frequency – Running at incorrect supply parameters affects efficiency and causes overheating. ---------------------------------------------- My Free Android App, Cables Table : https://bit.ly/2YM6u9A ------------------------------------------------ The staff I recommend (Amazon Affiliate Links to products I believe are high quality): "Please note that the product links provided are Amazon affiliate links, which means I may earn a small commission if you make a purchase through those links." I use and Recommend UNI-T Digital Multimeter Tester UT136B: https://amzn.to/3v6dyT8