Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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GB/T 4474-1992 Short-line fault tests for A.S. high-voltage circuit-breaker 255.0 via email in 1~3 business day abolished
GB/T 26217-2010 DC voltage measuring device for HVDC transmission system 360.0 via email in 1~3 business day valid
GB/T 15707-1995 Limits of radio interference from AC high voltage overhead power transmission lines 60.0 via email in 1~3 business day superseded
GB/T 13540-1992 Anti-seismic characteristic test for high-voltage switchgear 225.0 via email in 1~3 business day abolished
GB/T 28814-2012 The guide for composition of the ±800kV converter station operating code 200.0 via email in 1~3 business day valid
DL 501-1992 Measuring method for audible noise along overhead transmission lines 150.0 via email in 1~3 business day superseded
GB/T 25093-2010 AC filters for HVDC systems 750.0 via email in 1~3 business day valid
GB/T 18857-2008 Technical guide for live working in distribution line 480.0 via email in 1~3 business day valid
DL/T 436-2005 Technical guide for HVDC overhead transmission lines 220.0 via email in 1 business day valid
GB/T 311.2-2013 Insulation co-ordination—Part 2:Application guide 1380.0 via email in 1~10 business day valid
DL/T 1015-2006 Guide for application of voltage measuring system in DC&AC high voltage tests on site 180.0 via email in 1~3 business day valid
GB/T 12720-1991 Measurement of power-frequency electric fields 210.0 via email in 1~3 business day valid
GB/T 16927.4-2014 High Voltage and High Current Test Techniques - Part 4: Definitions and Requirements for Test Currents and Measuring Systems 3435.0 via email in 1~10 business day valid
GB/T 18134.1-2000 High-voltage testing techniques with very fast impulses - Part 1: Measuring systems for very fast from overvoltages generated in gas-insulated substations 230.0 via email in 1~3 business day valid
GB/T 30423-2013 System Tests for High-voltage Direct Current (HVDC) Installations 850.0 via email in 1~3 business day valid
GB/T 311.7-1988 Application guide for insulation co-ordination of high voltage transmission and transformation equipment 510.0 via email in 1~5 business day valid
GB/T 13601-1992 Operating tests under severe ice conditions for high-voltage switchgear 180.0 via email in business day abolished
GB/T 13395-2008 Regulation of hot washing for electric power apparatus 150.0 via email in 1~3 business day valid
GB/T 311.3-2007 Insulation coordination - Part 3: Procedures for high-voltage direct current (HVDC) converter stations 750.0 via email in 1~3 business day superseded
GB/T 311.6-2005 Voltage measurement by means of standard air gaps 210.0 via email in 1~3 business day valid
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