Why do brushless DC motors get hot? What causes this?

brushless-motors

Causes of brushless DC motor overheating may include motor overload, low load power factor, too low speed, winding short circuit, abnormal voltage, unbalanced power supply, wiring errors, winding failure, bearing damage, excessive load, mechanical failure, frequent starting, High-temperature environments, dust and oil accumulation, and air duct obstructions require corresponding adjustments, repairs, and maintenance measures.

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