DL/T 273-2012 (English Version) PDF

Scope: This standard specifies the preventive test items, cycles and standards for high-voltage electrical equipment in ±800kV converter stations of DC transmission systems. This standard is applicable to preventive testing of AC and DC high-voltage electrical equipment at ±800kV converter stations in DC transmission systems.

DL/T 273-2012 Referenced Document

DL/T 423-2009 Determination of dissolved gas content in insulatingoil.Method of vacuum pressure difference
DL/T 593-2006 Common specifications for high-voltage switchgear and controlgear standards
DL/T 596-1996 Rules of preventive tests for electric power equipment
DL/T 703-1999 Determination of dissolved gas content in insulating oil by gas chromatography
GB 1094.3-2003 Power transformers Part 3: Insulation levels,dielectric tests and external clearances in air
GB 11032-2010 Metal-oxide surge arresters without gaps for a.c. systems
GB/T 261-2008 Determination of flash point.Pensky-Martens closed cup method
GB/T 507-2002 Insulating liquids--Determination of the breakdown voltage at power frequency
GB/T 511-2010 Petroleum,petroleum products and additives.Method for determination of machanical admixtures
GB/T 5654-2007 Insulating liquids.Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity
GB/T 6541-1986 Petroleum products--Mineral oils--Determination of interfacial tension of oil against water--Ring method
GB/T 7252-2001 Guide to the analysis and the diagnosis of gases dissolved in transformer oil
GB/T 7598-2008 Determination of water-solube acid in transformer oils in service
GB/T 7599-1987 Determination of acid number in transformer and turbine oils in service by BTB method
GB/T 7600-1987 Determination of water content in transformer oils in service by coulometric method