GB 3906-1991 A.C. metal-enclosed switchgear for rated voltages of 3～35kV

GB 3906-1983

GB/T 3906-2006 Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV

GB 763 GB 2706 GB/T 762-2002 Standard current ratings GB/T 1408.1-1999 Methods of test for electric strength of solid insulating materials-Tests at power frequencies GB/T 1408.1-2006 Electrical strength of insulating materials—Test methods—Part 1:Tests at power frequencies GB/T 1408.1-2016 Insulating materials—Test methods for electric strength—Part 1:Test at power frequencies GB/T 1408.2-2006 Electrical strength of insulating materials—Test methods—Part 2:Additional requirements for tests using direct voltage GB/T 1408.2-2016 Insulating materials—Test methods for electric strength—Part 2:Additional requirements for tests using direct voltage GB/T 1408.3-2007 Electric strength of insulating materials—Test methods—Part 3:Additional requirements for 1.2/50 μs impulse tests GB/T 1408.3-2016 Insulating materials—Test methods for electric strength—Part 3:Additional requirements for 1.2/50μs impulse tests GB 1984-2003 High-voltage alternating-current circuit-breakers GB/T 1984-2014 High-voltage alternating-current circuit-breakers GB/T 1984-2024 High-voltage alternating-current circuit-breakers GB 1985-2004 High-voltage alternating-current disconnectors and earthing switches GB/T 1985-2014 High-voltage alternating-current disconnectors and earthing switches GB/T 1985-2023 High-voltage alternating current disconnectors and earthing switches GB/T 2900.19-1994 Electrotechnical terminology High-voltage test technique and insulation co-ordination GB/T 2900.19-2022 Electrotechnical terminology—High-voltage test technique and insulation co-ordination GB/T 7554-1987 Protected 5-unit numerical code for telegram service GB 7674-1997 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above GB/T 7674-2008 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above GB/T 7674-2020 Gas-insulated metal-enclosed switchgear for rated voltages of 72.5 kV and above GB/T 11022-1999 Common specifications for high-voltage switchgear and control gear standards GB/T 11022-2011 Common specifications for high-voltage switchgear and controlgear standards GB/T 11022-2020 Common specifications for high-voltage alternating-current switchgear and controlgear standards GB/T 11023-2018 Test method of SF6 gas tightness for high-voltage switchgear GB/T 3309-1989 Mechanical test at ambient temperature for high-voltage switchgear

IEC 298-90