WebGB30254-2013 grade 2: Structural characteristics . This YX2 high voltage high efficiency compact three phase asynchronous motors with high strength cast iron structure and insulation class F stator that made by VPI process. The rotor made into cage structure by once forming process, or made into copper strip by mid-frequency welding process ... Web近年来，随着国家对于低碳和节能控制的总体要求，电机节能始终是一个必要的控制对象，特别是对于量大面广的电机能效，通过强制性的标准要求和一些激励性的政策引导，在电机行业有效推进，以gb18613为代表的强制性标准，gb30253和gb30254也分别规定了其他两类电机的效率指标强制性要求。

永磁同步电动机应用项目可行性研究报告刘明义0515.docx - 冰豆网

http://www.studyofnet.com/864763903.html Webgrade shall be in accordance with 2 of GB30254-2013. In respect of degree of protection provided by enclosure, this series of motors are of IP23, IPW24, IP44 and IP54 as per GB / T4942.1 and IEC34-5 Rotating Electric Machines: Degrees of Protection provided by enclosure. Motors with other degrees of protection can be supplied by separate ... polygon siskiu n8 2020

DD FORM 254 Preparation Guide - U.S. Department of Defense

WebThe power grade, installation dimensions, and electrical performance of this series of motors comply with the national standard GB755 Rotating Motor Rating and Performance, and the IEC standard of the International Electrotechnical Commission. The motor energy efficiency complies with the Grade 1 energy efficiency specified in GB30254-2013. WebApplication: Industrial, Universal, Power Tools Operating Speed: Constant Speed Number of Stator: Three-Phase Species: YS Series Three-Phase Rotor Structure: Squirrel-Cage Casing Protection: Protection Type polygon siskiu d5 27.5 full suspension mountain bike