This standard specifies the insulation specifications for grid-connected wind turbines. This standard applies to grid-connected wind turbines with rated voltages of 6.6kV and below.
NB/T 31049-2014 Referenced Document
GB 755-2008 Rotating electrical machines.Rating and performance
GB/T 17948.1 Rotating electrical machines.Functional evaluation of insulation systems.Test procedures for wire-wound windings.Thermal evaluation and classification*， 2018-07-13 Update
GB/T 17948.3 Rotating electrical machines—Functional evaluation of insulation systems—Test procedures for form-wound windings—Thermal evaluation and classification of insulation systems used in rotating machines*， 2017-11-01 Update
GB/T 20626.1 Specific environmental condition—Electric and electronic products for plateau—Part 1:General technical requirements*， 2017-09-29 Update
GB/T 21707-2008 Insulation specification for variable frequency adjustable speed definite purpose converter-fed three-phase induction motors
GB/T 22566.1 Electrical stresses induced by repetitive pulses in electrical insulation systems - Part 1: General method for electrical aging assessment
GB/T 22720.1 Rotating electrical machines—Qualification and quality control tests of partial discharge free electrical insulation systems (Type I) used in rotating electrical machines fed from voltage converters*， 2017-11-01 Update
GB/T 2423.4 Environmental testing for electrical and electronic products - Part 2: Test method Test Db alternating damp heat (12h + 12h cycle)
GB/T 4074.7-2009 Winding wires.Test methods.Part 7::Test procedure for the determination of the temperature index of enamelled winding wires
GB/T 4207 Method for the determination of the proof and the comparative tracking indices of solid insulating materials*， 2022-07-11 Update
GB/T 5591.3 Combined flexible materials for electrical insulation.Part 3:Specifications for individual materials*， 2018-06-07 Update
GB/T 6109.20 Enamelled round winding wire.Part 20:Polyester or polyesterimide overcoated with polyamide-imide enamelled round copper wire,class 200
GB/T 7060 General specifications for rotary electrical machines in ships*， 2019-05-10 Update
GB/T 7095.6 Enamelled rectangular copper winding wires.Part 6:Polyester or polyesterimide overcoated with polyamide-imide enamelled rectangular copper wire,class 200
GB/T 7672.5 Glass-fiber wound winding wires.Part 5:Glass-fiber wound resin or varnish impregnated,bare or enamelled rectangular copper wire,temperature index 200
GB/Z 22720.2 Rotating electrical machines.Qualification and acceptance tests for partial discharge resistant electrical insulation systems (Type II) used in rotating electrical machines fed from voltage converters
JB/T 10508 Technical requirements for slot wedges for small and medium-sized motors*， 2020-04-16 Update
SJ/T 11384 General specification of withstanding voltage tester