GB/T 21974-2008 Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application (English Version)
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 21974-2008
Scope
This standard specifies the terms and definitions, types, basic parameters and dimensions, technical requirements, inspection rules and test methods of YZRW series hoisting and metallurgical three-phase asynchronous motors with eddy current brake wound rotors, as well as signs, packaging and guarantee period. Require. This standard is applicable to three-phase asynchronous motors with eddy current brakes and wound rotors (hereinafter referred to as eddy current brake motors) and their eddy current brakes for power transmission of various lifting machinery and metallurgical auxiliary equipment. Various motors can also be implemented by reference.
GB/T 21974-2008 Referenced Document
GB 10068-2000 Mechanical vibration of certain machines with shaft heights 56mm and higher-Measurement,evaluation and limits of vibration
GB 10069.3-2006 Measurement of airborne noise emitted by rotating electrical machines and the noise limits. Part 3: Noise limits
GB 20237-2006 Safety requirements of crane and metallurgical motors and canned motors
GB 755-2000 Rotating electrical machines-Rating and performance
GB/T 10069.1-2006 Measurement of 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 1032-2005 Test procedures for three-phase induction motors
GB/T 191-2000 Packaging-Pictorial marking for handling of goods
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 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 757-1993 Conical snaft extension for rotating electrical machines
GB/T 997-2003 Classification of types of construction and mounting arrangements for rotating electrical machines(IM code)
JB/T 9615.1 Test methods of the interturn insulation on random wound winding for AC low-voltage machines
JB/T 9615.1-2000 Test methods of the interturn insulation on random wound winding for AC low-voltage machines
JB/T 9615.2 Test Limits of the interturn insulation on random wound winding for AC low-voltage machines
GB/T 21974-2008 history
2008GB/T 21974-2008 Technical specification for YZRW range of eddy-current braking wound-rotor three-phase induction motors for crane and metallurgical application