GB/T 21972.2-2012 Specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 2:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with axial fan)

GB/T 21972.2-2023 Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 2:YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications(cooled with axial fan)(frame size 100～400）

GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 755-2008 Rotating electrical machines—Rating and performance GB/T 757-2010 Conical shaft extension for rotating electrical machines GB/T 997-2008 Rotating electrical machines—Classification of types of construction,mounting arrangements and terminal box position for(IM Code) GB/T 1032-2005 Test procedures for three-phase induction motors GB/T 1971-2006 Rotating electrical machines—Terminal markings and direction of rotation 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 4942.1-2006 Degrees of protection provided by the integral design of rotating electrical machined(IP code)—Classification 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 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 10069.3-2008 Measurement of airborne noise emitted by rotating electrical machines and the noise limits—Part 3:Noise limits GB/T 12351-2008 Environmental technical requirements of rotating electric machines for tropical use GB/T 12665-2008 Requirements of damp-heat testing of electrical machine for service in general environmental condition GB/T 13306-2011 Plates GB 20237-2006 Safety requirements of crane and metallurgical motors and canned motors GB/T 22670-2008 Test procedures for converter-fed three phase cage induction motors 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