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Y 系列小型三相异步电动机是我国近几年研制成功的新型电机。该系列电机符合国际电工技术委员会标准(IEC 标准),其性能指标接近国际水平。与 JO2系列电机比较,功率等级与机座号对应关系与国际上通用系列电机有较好的互换性。效率水平、起动转矩、噪声振动和可靠性均优于 JO2系列电机,确实为各主机配套带来了希望,广泛采用新型电机,必定会收到重大的经济效益。但是这种新型电机一九八四年的订货,只有一百万千瓦左右,不到小型电机计划产量的10%,出现了“新型产品冷落,“淘汰产品
Y series small three-phase asynchronous motor is a new type of motor that has been successfully developed in China in recent years. This series of motors comply with the International Electrotechnical Commission standard (IEC standard) and its performance indicators are close to international standards. Compared with the JO2 series motors, the correspondence between the power level and the frame number has a good interchangeability with the universal series motors in the world. The efficiency level, starting torque, noise, vibration and reliability are all superior to those of the JO2 series motors. It does provide hope for the matching of various types of main engines. The widespread adoption of new types of electric motors will certainly result in significant economic benefits. However, the orders for this new type of motor in 1984 were only about one million kilowatts, which was less than 10% of the planned output of small motors.