DL/T 5222-2005 Design technical rule for selecting conductor and electrical equipment

DL/T 5222-2021 Conductors and electrical equipment selection and design procedures

DL/T 5136-2012 Nuclear Power Plant Secondary Circuit Design Technical Regulations DL/T 5153-2014 DL/T 5153-2014 Design Technical Specification for Plant Electric Power in Thermal Power Plant DL/T 5153-2002 Technical rule for designing auxiliary power system of fossil fuel power plants DL/T 620 GB 156-2003 Standard voltages GB/T 156-2007 Standard voltages GB/T 156-2017 Standard voltages GB 2536-1990 Transformer oils GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB 311.1-1997 Insulation co-ordination for high voltage transmission and distribution equipment GB 50217-2018 Standard for design of cables of electric power engineering GB 50227-2017 Code for design of installation of shunt capacitors 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 10228-1997 Specification and technical requirements for dry-type power transformers GB/T 10228-2008 Specification and technical requirements for dry-type power transformers GB/T 10228-2015 Specification and technical requirements for dry-type power transformers GB/T 10228-2023 Technical parameters and requirements for dry-type power transformers GB/T 11023-2018 Test method of SF6 gas tightness for high-voltage switchgear GB/T 1179-1999 Round wire concentric lay overhead electrical stranded conductors GB/T 14549-1993 Quality of electric energy supply—Harmonics in public supply network GB/T 15544-1995 Short-circuit current calculation in three-phase a.c. systems GB/T 15544.1-2013 Short-circuit current calculation in three-phase a.c.systems—Part 1:Calculation of currents GB/T 15544.1-2023 Short-circuit current calculation in three-phase a.c. systems—Part 1:Calculation of currents GB/T 15544.2-2017 Short-circuit current calculation in three-phase a.c.systems—Part 2:Factors for the calculation of short-circuit currents GB/T 15544.3-2017 Short-circuit current calculation in three-phase a.c. systems—Part 3:Data of electrical equipment GB/T 15544.4-2017 Short-circuit current calculation in three-phase a.c. systems—Part 4:Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth GB/T 15544.5-2017 Short-circuit current calculation in three-phase a.c.systems—Part 5:Examples GB/T 16274-1996 Specification and technical requirements for oil immersed power transformers 500kV GB/T 16434-1996 Enviromental pollution classification and external insulation selection for high voltage transmission line, power plant and substation GB/T 2900.1-1992 Electrotechnical terminology—Fundamental terms GB/T 2900.1-2008 Electrotechnical terminology—Fundamental terms GB/T 2900.15-1997 Electrotechnical terminology Transformer, instrument transformer, voltage regulator and reactor 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 2900.20-1994 Electrotechnical terminology—High-voltage switchgear GB/T 2900.20-2016 Electrotechnical terminology—High-voltage switchgear and controlgear GB/T 6451-1999 Specification and technical requirements for three-phase oil-immersed power transformers GB/T 6451-2008 Specification and technical requirements for oil-immersed power transformers GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers GB/T 6451-2023 Technical parameters and requirements for oil-immersed power transformers GB/T 8905-1996 The guide for processing and measuring SF6 gas in power apparatus GB/T 8905-2012 The guide for management and measuring SF6 gas in electrical equipment GB 2536-2025 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/Z 156-2025 Good practice for dynamic light scattering(DLS) measurements