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GB/T 1029-2005 Test procedures for three-phase synchronous machines via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 2900.25-2008 Electrotechnical terminology - Rotating electrical machines (USD) via email in 1-10 business day VALID
JB/T 7608-2006 Methods and limits for testing the dissipation factor tan δon winding of high voltage AC machine (USD) via email in 1-3 business day VALID
GB/T 22720.2-2019 Rotating electrical machines—Qualification tests for the partial discharge resistant electrical insulation systems(Type Ⅱ) used in rotating electrical machines fed from voltage converters (USD) via email in 1-5 business day VALID
GB/T 11281-2009 General specification for reduction gearhead of electrical micro-machine (USD) via email in 1-5 business day VALID
GB/T 13958-2008 Test procedures for non-direct current excitation winding synchronous motor (USD) via email in 1-3 business day VALID
GB/T 5321-2005 Measurement of loss and efficiency for electrical machine by the calorimetric method via email in 1-3 business day VALID please email coc@codeofchina.com for quotation
GB/T 1032-2005 Test procedures for three-phase induction motors via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 4772.2-1999 Dimensions and output series for rotating electrical machines -Part 2: Frame numbers 355 to 1 000 and flange numbers 1 180 to 2 360 (USD) via email in 1-3 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 (USD) via email in 1-5 business day VALID
GB/T 20833.2-2016 Rotating electrical machines—The stator winding insulation of rotating electrical machines—Part 2:On-line partial discharge measurements (USD) via email in 1-5 business day VALID
GB/T 22719.2-2008 Interturn insulation of random-wound winding for AC low-voltage electrical machines - Part 2: Test limits (USD) via email in 1-3 business day VALID
GB/T 32891.1-2016 Rotating electrical machines—Efficiency classes (IE code)—Part 1:Line operated AC motors (USD) via email in 1-3 business day VALID
JB/T 10392-2002 Modal test analysis and vibration measurement methods on the stator core & frame for turbo-generators via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
GB/T 25442-2010 Standard methods for determining losses and efficiency of rotating electrical machines from tests(excluding machines for traction vehicles) (USD) via email in 1-8 business day ABOLISHED
GB/T 20160-2006 Recommended Practice for Testing Insulation Resistance of Rotating Machinery (USD) via email in 1-3 business day VALID
JB/T 6227-2005 Checking methods and evauation of sealing of hydrogen-cooled electrical machines (USD) via email in 1-3 business day VALID
GB/T 17948.6-2007 Rotating electrical machine - Functional evaluation of insulation systems - Test procedures for form-wound windings - Evaluation of thermomechanical endurance of insulation systems (USD) via email in 1-3 business day ABOLISHED
GB/T 17948.7-2016 Rotating electrical machines—Functional evaluation of insulation systems—General guidelines (USD) via email in 1-3 business day VALID
GB/T 20140-2006 Dynamic characteristic and vibration measurement method of turbo-generators on stator windings and evaluation criteria via email in 1-3 business day ABOLISHED please email coc@codeofchina.com for quotation
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