T/ZJSEE 0020-2023 Design specification for 20 kV overhead insulated distribution lines

GB/T 1001.1-2003 Insulators for overhead lines with a nominal voltage above 1000V—Part 1:Ceramic or glass insulator units for a.c.systems—Definitions, test methods and acceptance criteria GB/T 1001.1-2021 Insulators for overhead lines with a nominal voltage above 1 000 V—Part 1:Ceramic or glass insulator units for a.c.systems—Definitions,test methods and acceptance criteria GB/T 1001.2-2010 Insulators for overhead lines with a nominal voltage above 1 000 V—Part 2:Insulator strings and insulator sets for a.c.systems—Definitions,test methods and acceptance criteria GB/T 1179-1999 Round wire concentric lay overhead electrical stranded conductors GB/T 1179-2008 Round wire concentric lay overhead electrical stranded conductors GB/T 1179-2017 Round wire concentric lay overhead electrical stranded conductors GB 2314-1997 General technical requirements for electric power fittings GB/T 2314-2008 General technical requirements for electric power fittings GB/T 3048.13-1992 Electric cables and wires—Method for impulse voltage test GB/T 3048.13-2007 Test methods for electrical properties of electric cables and wires—Part 13:Impulse voltage test GB 4623-1994 Circular prestressed concrete pole GB/T 4623-2006 Circular concrete pole GB/T 4623-2014 Circular concrete pole GB 15166.2-1994 Alternating-current high-voltage fuses Current-limiting fuses GB/T 15166.2-2008 High-voltage alternating-current fuses—Part 2:Current-limiting fuses GB/T 15166.2-2023 High-voltage alternating-current fuses—Part 2:Current-limiting fuses GB/T 19519-2004 Composite insulators for a.c. overhead lines with a nominal voltage greater than 1000V—Definitions, test methods and acceptance criteria GB/T 19519-2014 Insulators for overhead lines—Composite suspension and tension insulators for a.c. systems with a nominal voltage greater than 1 000 V—Definitions,test methods and acceptance criteria GB/T 20142-2006 Composite line post insulators for a.c. overhead lines with a nominal voltage greater than 1 000 V—Definitions, test methods and acceptance criteria GB 50016-2014 Code for fire protection design of buildings GB 50061 DL/T 1531-2016 Overvoltage Protection and Insulation Coordination for 20kV Distribution Network DL/T 1667-2016 Substainable stainless steel composite material corrosion-resistant grounding device for substation JB/T 10260-2014 Insulated material for overhead insulated cables JB/T 10260-2001 The insulated cable uses black cross-linked polyethylene insulation material JB/T 13795-2020 JB/T 13795-2020 Designated aluminum alloy conductor overhead insulated power cables for rated voltage up to and including 20kV Below this standard indicates that it is the aluminum alloy conductor overhead insulated cables with medium intensity below rated voltage 20kV GB 50017-2017 Code for design of steel structures GB/T 3048.13-2025 Test methods for electrical properties of electric cables and wires—Part 13:Impulse voltage test GB/T 4623-2025 Circular concrete pole