简要介绍了一种冷冻机专用高压高速开启式三相异步电动机的设计，重点突破高效节能、高功率密度、结构紧凑、低振动、低噪声等电机的设计难点，综合考虑电动机的主要性能参数（效率、功率因数、起动电流、温升、噪声、振动等），在电磁和绝缘设计方面进行优化，采用减薄绝缘措施，引入梯形线圈设计；结构设计以产品可靠性为前提进行突破和改进，优化风路结构，降低机械耗和机械噪声。产品的测试数据验证了该产品的技术先进性。

The design of a high voltage and high speed open three-phase asynchronous motor for refrigerators is briefly introduced. The product focuses on the breakthrough of high efficiency, energy saving, high power density, compact structure, low vibration, low noise and other motor design difficulties. The main performance parameters of the motor (efficiency, power factor, starting current, temperature rise, noise, vibration, etc.) are comprehensively considered. Electromagnetic and insulation designs are optimized by using thinned insulation measures and introducing trapezoidal coil design.On the premise of the reliability of the product, improvement of the structural design is realized by optimizing the wind path and reducing the mechanical consumption and noise.The test data of the product verify the technological advancement.