GB/T 13957-2022 Technical requirements for the fundamental series of three-phase large asynchronous motor

GB/T 13957-2008 Technical requirement for the fundamental series of three-phase large asynchronous motor

GB 30254-2013 Minimum allowable values of energy efficiency and the energy efficiency grades for cage three-phase high voltage induction motor GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB 755-2000 Rotating electrical machines—Rating and performance GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 755.2-2003 Methods for determining losses and efficiency of rotating electrical machinery from tests(excluding machines for traction vehicles) GB/T 997-2003 Classification of types of construction and mounting arrangements for rotating electrical machines(IM code) GB/T 997-2008 Rotating electrical machines—Classification of types of construction,mounting arrangements and terminal box position for(IM Code) GB/T 997-2022 Classification of types of construction,mounting arrangements and terminal box position (IM Code) for rotating electrical machines GB/T 1032-2005 Test procedures for three-phase induction motors GB/T 1032-2012 Test procedures for three-phase induction motors GB/T 1032-2023 Test methods for three-phase asynchronous motors GB/T 1096-2003 Square and rectangular keys 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 GB/T 1974-2003 Tangential keys and keyways GB/T 1993-1993 Cooling methods for rotating electrical machines GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines— Part 2:Frame numbers 355 to 1000 and flange numbers 1180 to 2360 GB/T 4831-1984 Specification for model of rotating electrical machi nes 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 4942.1-2001 Classification of degrees of protection provided by enclosures of rotating electrical machines (IP code) GB/T 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification GB/T 4942.2-1993 Degrees of protection provided by enclosures for low-voltage apparatus GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher—Measurement,evaluation and limits of vibration GB/T 10068-2008 Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement,evaluation and limits of vibration severity 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 10069.3-2006 Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits GB/T 10069.3-2008 Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits GB/T 10069.3-2024 Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits GB/T 20160-2006 Recommended practice for testing insulation resistance of rotating machinery GB/T 22715-2008 Impulse voltage withstand levels of form-wound stator coils for rotating a.c.machines GB/T 22715-2016 Impulse voltage withstand levels of form-wound stator coils for rotating a.c.machines GB/T 755-2025 Rotating electrical machines—Rating and performance GB/T 191-2025 Graphical symbols marking for handling and storage of packages