Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 17948.5-2007 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Multifactor functional evaluation—Endurance under combined thermal an 240.0 via email in 1~3 business day abolished
GB/T 25292-2010 Specification for direct current machine in ships 300.0 via email in 1~3 business day valid
GB 1971-2006 Rotating Electrical Machines - Terminal Markings and Direction of Rotation 90.0 via email in 1 business day valid
GB/T 10068-2008 Mechanical vibration of certain machines with shaft heights 56 mm and higher-measurement evaluation and limits of vibration severity 165.0 via email in 1~3 business day valid
QJ 2271-1992 450.0 via email in 1~5 business day valid
GB/T 17948-2003 Functional evaluation of insulation systems for rotating electrical machines - General guidelines 210.0 via email in 1~3 business day abolished
GB/T 22715-2016 Impulse voltage withstand levels of form-wound stator coils for rotating a. c.machines 180.0 via email in business day valid
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 200.0 via email in 1~2 business day valid
GB/T 22720.1-2017 Rotating electrical machines-Qualification and quality control tests of partial discharge free electrical insulation systems(Type j)used in rotating electrical machines fed from voltage converters 495.0 via email in 1~5 business day valid
JB/T 8982-2011 Specification for a.c. three-phase stable frequency andvoltage power source set and system 150.0 via email in 1~3 business day valid
GB/T 11281-2009 General specification for reduction gearhead of electrical micro-machine 480.0 via email in 1~3 business day valid
GB/T 7060-2008 General specifications for rotary electrical machines in ships 390.0 via email in 1~3 business day valid
JB/T 6227-2005 Checking methods and evauation of sealing of hydrogen-cooled electrical machines 120.0 via email in 1~3 business day valid
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 100.0 via email in 1~3 business day valid
GB/T 14481-2008 Test procedure for single-phase synchronous machines 300.0 via email in 1~3 business day valid
JB/T 7608-2006 Methods and limits for testing the dissipation factor tan δon winding of high voltage AC machine 40.0 via email in 1 business day valid
GB/T 25442-2010 Standard methods for determining losses and efficiency of rotating electrical machines from tests(excluding machines for traction vehicles) 520.0 via email in 1~5 business day valid
QJ 2959-1997 Design Specification for Magnetic Hysteresis Gyro Motor 405.0 via email in 1~5 business day valid
GB/T 21210-2007 Starting performance of single-speed three-phase cage induction motors 150.0 via email in 1~3 business day abolished
GB/T 5321-2005 Measurement of loss and efficiency for electrical machine by the calorimetric method 245.0 via email in 1~5 business day valid
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