Xiaobai is seeking help with a motor issue

Here’s a simple explanation: Variable-frequency motors have a higher insulation rating than ordinary motors, and their coil winding patterns are also adjusted to enable operation at low frequencies. Ordinary Y-series motors can be subjected to variable-frequency control using an inverter, but: they generate more heat when operating at low frequencies, which increases the risk of damage. An independent fan has been added to the rear of the variable-frequency motor. In the standard Y series, the blades are mounted directly on the shaft, which allows the variable-frequency motor to maintain sufficient ventilation for heat dissipation when operating at low frequencies. Based on actual cases in our company, some high-quality Y-series motors can operate at frequencies above 35Hz for extended periods under light load conditions, but they have a higher failure rate.

I’ve learned it; thanks to everyone for sharing their experience