GB/T 30547-2014 Filter resistor for high voltage direct current(HVDC) transmission system

GB/T 30547-2023 Filter resistor for high voltage direct current (HVDC) transmission system

GB/T 311.1-2012 Insulation co-ordination—Part 1:Definitions,principles and rules GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards GB/T 16927.1-2011 High-voltage test techniques—Part 1:General definitions and test requirements IEC 60815:1986 GB/T 4797.1-2005 Environmental conditions appearing in nature of electric and electronic products—Temperature and humidity GB/T 4797.1-2018 Classification of environmental conditions—Environmental conditions appearing in nature—Temperature and humidity GB/T 4797.2-1986 Environmental conditions for electric and electronic products appearing in nature—Altitude and air pressure, deepness and water pressure GB/T 4797.2-2005 Environmental conditions for electric and electronic products appearing in nature—Part 2:Altitude and air pressure,deepness and water pressure GB/T 4797.2-2017 Classification of environmental conditions—Environmental conditions appearing in nature—Air pressure GB/T 4797.3-1986 Environmental conditions for electric and electronic products appearing in nature—Living organisms GB/T 4797.3-2014 Environmental conditions appearing in nature for electric and electronic products—Living organisms GB/T 4797.3-2024 Classification of environmental conditions—Environmental conditions appearing in nature—Part 3:Living organisms GB/T 4797.4-2006 Environmental conditions appearing in nature for electric and electronic products—Solar radiation and temperature GB/T 4797.4-2019 Classification of environmental conditions—Environmental conditions appearing in nature—Solar radiation and temperature GB/T 4797.5-1992 Environmental conditions appearing in nature of electric and electronic products—Precipitation and wind GB/T 4797.5-2008 Classification of environmental conditions of electric and electronic products— Environmental conditions of nature—Precipitation and wind GB/T 4797.5-2017 Classification of environmental conditions—Environmental conditions appearing in nature—Precipitation and wind GB/T 4797.6-1995 Environmental conditions appearing in nature of electric and electronic products—Dust,sand,salt mist GB/T 4797.6-2013 Classification of environmental conditions—Environmental conditions appearing in nature—Dust,sand,salt mist GB/T 4797.7-2008 Classification of environmental conditions of electric and electronic products—Environmental conditions appearing in nature—Earthquake vibration and shock GB/T 4797.8-2008 Classification of environmental conditions for electric and electronic products—Environmental conditions appearing in nature—Fire exposure GB/T 4797.9-2021 Classification of environmental conditions—Environmental conditions appearing in nature—Measured shock and vibration data during storage, transportation and in-use GB/T 13540-1992 Anti-seismic characteristic test for high-voltage switchgear GB/T 13540-2009 Seismic qualification for high-voltage switchgear and controlgear