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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 Manual Select AstroAI Digital Multimeter (Best Seller) https://amzn.to/3VdUmxI 25 ft Extension Cord Flat Plug, Surge Protector Power Strip with USB Ports, 15A https://amzn.to/3VaeQr3 Siemens QA120AFC 20-Amp Single Pole 120-volt AFCI: https://amzn.to/3RvVUiU Heavy Duty Outdoor Extension Cord with Multiple Outlets 10ft, 15 AMP: https://amzn.to/3QSwEEH Dual Voltage Hair Dryer (smart voltage technology) https://amzn.to/3rTwKl0 110V-120V 1.5Kw Instant Electric Hot Water Heater https://amzn.to/3RwPrnI 50-Amp Extension Cord for RV "100ft": https://amzn.to/3YeVErm Voltage Converter 110 to 220v 50/60 Hz: https://amzn.to/42tsJlz Voltage Stabilizer 110/220v: https://amzn.to/3KkAcM6 Eaton CHSPT2SURGE SPD Type 2 Chsp Whole Home Surge Protector: https://amzn.to/3KGdY7B Heavy Duty Extension Cord "50 ft": https://amzn.to/3pZpOCE TOSHIBA EM131A5C-BS Countertop Microwave Ovens : https://amzn.to/3Qikrcj Hair Dryer "best selling": https://amzn.to/3O5acFw