Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 4831-2016 Specification for model of rotating electrical motor 315.0 via email in 1 business day valid
GB/T 17948.1-2018 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for wire-wound windings—Thermal evaluation and classification via email in business day to be valid
GB/T 25442-2018 Standard methods for determining losses and efficiency of rotation electricalmachines from tests(excluding machines for traction vehicles) 990.0 via email in 1~10 business day valid
JB/T 7785-2007 Evaluation method of insulation systems life by acceleration test for low-voltage electrical machines(Step stress method) 210.0 via email in 1~3 business day valid
GB/T 10069.1-1988 Measurement of airborne noise emitted by rotating electrical machinery and the noise limits-Engineering method for the measurement of airborne noise 210.0 via email in 1~3 business day abolished
GB 10068.2-1988 Measurement evaluation and limits of the vibration severity of rotating electrical machinery--Limits of the mechanical vibration severity 15.0 via email in 1~3 business day abolished
GB/T 1993-1993 Cooling methods for rotating electrical machines 80.0 via email in 1 business day valid
GB/T 17948.4-2006 Functional evaluation of insulation systems for rotating electrical machines - Test procedures for form-wound windings - Electrical evaluation of insulation sysyems used in machines 120.0 via email in 1~3 business day abolished
JB/T 8995.2-1999 Tolerances and fits for large-size of large electrical machines and hydraulic turbines Tolerance stripsand fits for size of holes and shafts above 500 mm to 3150 mm 150.0 via email in 1~3 business day valid
JB/T 8439-2008 Corona-proof specification of high voltage rotating a.c machines used in high altitude area 40.0 via email in 1 business day valid
JB/T 8994-1999 Inspection methods and limits of large plain workpiece sizes for large electric machinery and hydraulic turbine 240.0 via email in 1~3 business day valid
GB/T 4772.3-1999 Dimensions and output series for rotating electrical machines - Part 3:Samll built-in motors - Flange numbers BF10 to BF50 45.0 via email in 1~3 business day valid
GB/T 5171.22-2017 Small-power motors―Part 22:Test methods for permanent magnet brushless DC motors 255.0 via email in 1~3 business day valid
GB/T 21205-2007 Specification for the refurbishing of rotating electrical machines 230.0 via email in 1~3 business day valid
GB/T 21209-2007 Guide for the design and performance of cage induction motors specifically designed for converter supply 490.0 via email in 1~3 business day valid
JB/T 8993-1999 Data for large generator life management guide 240.0 via email in 1~3 business day valid
GB 4706.20-1988 Safety of household and similar electrical appliances--Particular requirements for tumbler dryers 150.0 via email in 1~3 business day abolished
GB/T 757-2010 Conical shaft extension for rotating electrical machines 120.0 via email in 1~3 business day valid
GB/T 20833.3-2018 Rotating electrical machines—Stator winding insulation of rotating electrical machines—Part 3:Dielectric dissipation factor measurement via email in business day to be 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
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