GB/Z 24840-2009 Replaced National standards

GB/Z 24840-2009 Technical specification for bushing of 1000 kV AC system

GB/Z 24840-2009 Technical specification for bushing of 1000 kV AC system

Publish Date: 2009-11-30 Implement Date: 2010-05-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/Z 24840-2009

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Power transmission and transformation equipment

ICS Name: The integrated transmission and distribution network

Publish Date: 2009-11-30

Implement Date: 2010-05-01

Pages: 17 pages

Scope

This guidance technical document specifies the general performance, individual testing, type testing, and on-site handover testing of high-voltage bushings used in 1,000 kV AC systems.
This guidance technical document is applicable to bushings of the 1,000 kV voltage class used in transformers and gas-insulated metal-enclosed switchgear devices of 1,000 kV AC systems.

Development Information

Word Count: 29 Thousand words Pages: 17 pages

Superseded by the following standards

GB/T 24840-2018 Technical specification for bushings of 1 000 kV AC system

Referenced Standards

GB/T 763 GB/T 1094.3-2003 Power transformers—Part 3:Insulation levels,dielectric tests and external clearances in air GB/T 2423.23-1995 Environmental testing for electric and electronic products Test Q:Sealing GB/T 4109-2008 Insulated bushings for alternating voltages above 1 000 V IEC 60137:2008 IEC 60815 IEC 62155 GB/T 507-2002 Insulating liquids—Determination of the breakdown voltage at power frequency GB/T 2900.5-2002 Electrotechnical terminology—Insulating solids, liquids and gases GB/T 2900.5-2013 Electrotechnical terminology—Electrical insulating solids,liquids and gases GB/T 2900.8-1995 Electrotechnical terminology—Insulator GB/T 2900.8-2009 Electrotechnical terminology—Insulators GB/T 5654-1985 Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids GB/T 5654-2007 Insulating liquids—Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil GB/T 7354-2003 Partial discharge measurements GB/T 7354-2018 High-voltage test techniques—Partial discharge measurements GB/T 7600-2014 Determination of water content in transformer oils and turbine oils in service by coulometric method GB/T 7601-2008 Determination of water content for transformer and turbine oils in service by gas chromatographic method GB 12022-1989 Sulphur hexafluoride for industrial use GB/T 12022-2006 Sulphur hexafluoride for industrial use GB/T 12022-2014 Industrial sulfur hexafluoride GB/T 21429-2008 Composite insulators-Hollow insulators for use in outdoor and indoor electrical equipment—Definitions,test methods,acceptance criteria and design recommendations DL/T 864-2004 Guidelines for the use of composite insulators for AC overhead lines with rated voltage above 1000V GB/T 12022-2025 Industrial sulphur hexafluoride

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