NB/T 11137-2023 TBVF series mine explosion-proof permanent magnet synchronous variable frequency motor

GB/T 755-2019 Rotating electrical machines—Rating and performance GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.2-2021 Explosive atmospheres—Part 2:Equipment protection by flameproof enclosures “d” GB/T 3836.3-2021 Explosive atmospheres—Part 3:Equipment protection by increased safety “e” GB/T 10069.3-2008 Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits GB/T 13958-2022 Test methods for small power permanent magnet synchronous motors GB/T 22669-2008 Test procedures for three-phase permanent magnet synchronous machines GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods 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 1993-1993 Cooling methods for rotating electrical machines GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) 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/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/T 191-2025 Graphical symbols marking for handling and storage of packages