目前我国在使用的电机基本上都是Y系列、Y2系列等低效率电机，甚至还大量存在J0、J02、JS系列等早已被淘汰的老产品，总容量约有15亿kW，这部分电机如果按照其使用寿命自然淘汰的话，至少还需要10～30年，这期间将浪费大量电能，电机高效再制造通过对淘汰电机的改造可有效提高运行效率，大为降低电耗。%Most of the motors currently used in China are Y series and Y2 series low efficiency motors and there are even many J0, J02 and JS series long-time outdated products, which forms about 1.5 billion kW in total volume. These motors will not be eliminated in at least 10~30 years according to their service life, during which a lot of electricity power would be wasted. High-efficiency motor remanufacturing can effectively improve the operation effi-ciency and reduce power consumption of motors through modification of the outdated motors.
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