This guiding technical document stipulates the general performance, test one by one, type test and on-site handover test of high voltage bushings for 1000kV AC system. This guiding technical document is applicable to 1000kV voltage level bushings for 1000kV AC system transformers and gas-insulated metal-enclosed switchgear.
GB/Z 24840-2009 Referenced Document
DL/T 864-2004 Application guide of composite insulators for AC overhand lines with a nominal voltage over 1000V
GB 1094.3-2003 Power transformers Part 3: Insulation levels,dielectric tests and external clearances in air
GB/T 21429 Composite insulators.Hollow insulators for use in outdoor and indoor electrical equipment.Definitions,test methods,acceptance criteria and design recommendations
GB/T 2423.23-1995 Environmental testing for electric and electronic proucts. Test Q: Sealing
GB/T 2900.5 Electrotechnical terminology.Electrical insulating solids,liquids and gases*, 2013-12-17 Update