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The motor is constantly upgrading, and the technical requirements are higher and higher. Only by constantly innovating and developing, will the motor industry be wider.

Why is the motor speed on the market higher and higher? And what effect did it have?

Motor suppliers, speed can reduce costs, the same is low speed, high speed, the coil turns less, but also saves the silicon steel sheet, magnet steel number is also less, buyers think high speed is good. At rated speed, the power is constant, but at low speed the efficiency is significantly low, that is, the starting weakness. Low efficiency, need to start with high current, cycling current is also large, the controller's current limit requirements, and the battery is not good.