DL/T 274-2012 (English Version) PDF

Scope: This standard specifies the exchange acceptance test items and standards for converter valves, converter transformers, DC side primary equipment and AC filters in ±800kV converter stations. This standard is applicable to the handover test of converter valves, converter transformers, DC side primary equipment and AC filters in converter stations of ±800kV DC transmission projects.

DL/T 274-2012 Referenced Document

DL/T 421-2009 Determination of volume resistivity of power oils
DL/T 423-2009 Determination of dissolved gas content in insulatingoil.Method of vacuum pressure difference
GB 11032-2010 Metal-oxide surge arresters without gaps for a.c. systems
GB 50150-2006 Standard for hand-over test of electric equipment electric equipment installation engineering
GB 6541-1986 Determination of interfacial tension between oil and water in petroleum products (circle method)
GB/T 1094.10-2003 Power transformers--Part10: Determination of sound levels
GB/T 13498-2007 Terminology for high-voltage direct current(HVDC)transmission
GB/T 17623-1998 Determination of componental contents of gases dissolved in insulating oil by gas chromatography method
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 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 7595-2008 Quality of transformer oils in service
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 7601-2008 Determination of water content for transformer and trubine oils in service by gas chromatographic method