GB/Z 24840-2009
Technical specification for bushing of 1000kV AC system (English Version)

Standard No.
GB/Z 24840-2009
Language
Chinese, Available in English version
Release Date
2009
Published By
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status
 2019-02
Replace By
GB/T 24840-2018
Latest
GB/T 24840-2018
Scope
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 12022 Industrial sulfur hexafluoride*2014-07-08 Update
  • 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
  • GB/T 2900.8 Electrotechnical terminology.Insulators
  • GB/T 4109-2008 Insulated bushings for alternating voltages above 1000V
  • GB/T 507 Insulating liquids--Determination of the breakdown voltage at power frequency
  • GB/T 5654 Insulating liquids.Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity
  • GB/T 7252 Guide to the analysis and the diagnosis of gases dissolved in transformer oil
  • GB/T 7354 High-voltage test techniques—Partial discharge measurements*2018-09-17 Update
  • GB/T 7600 Determination of water content in transformer oils and turbine oils in service by coulometric method*2014-09-03 Update
  • GB/T 7601 Determination of water content for transformer and trubine oils in service by gas chromatographic method
  • IEC 60137:2008 Insulated bushings for alternating voltages above 1000 V
  • IEC 62155 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V

GB/Z 24840-2009 history

  • 2018 GB/T 24840-2018 Technical specification for bushings of 1 000 kV AC system
  • 2009 GB/Z 24840-2009 Technical specification for bushing of 1000kV AC system
Technical specification for bushing of 1000kV AC system



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