GB/T 27744-2021 Specification and energy efficiency grades for line-start permanent magnet synchronous motors(frame size 80～355)

GB/T 27744-2011 Specification for premium efficiency three-phase permanent magnet synchronous motor (frame size 132～280)

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 997-2008 Rotating electrical machines—Classification of types of construction,mounting arrangements and terminal box position for(IM Code) GB/T 1993-1993 Cooling methods for rotating electrical machines GB/T 4772.1-1999 Dimensions and output series for rotating electrical machines—Part 1:Frame numbers 56 to 400 and flange numbers 55 to 1080 GB/T 4831-2016 Specification for model of rotating electrical motor GB/T 4942-2021 Degrees of protection provided by the integral design of rotating electrical machines(IP code)—Classification GB/T 10068-2020 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity GB/T 10069.1-2006 Measurement of the airborne noise emitted by rotating electrical machines and the noise limits—Part 1:Method for the measurement of airborne noise emitted by rotating electrical machines GB/T 12665-2017 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 14711-2013 General requirements for safety of small and medium size rotating electrical machines GB/T 22669-2008 Test procedures for three-phase permanent magnet synchronous machines GB/T 22719.1-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines—Part 1:Test methods GB/T 22719.2-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines—Part 2:Test limits GB 1971-1980 Terminal markings and direction of rotation of rotating electrical machines GB/T 1971-2006 Rotating electrical machines—Terminal markings and direction of rotation GB/T 1971-2021 Rotating electrical machines—Terminal markings and direction of rotation