the standards for the tests adopted are as follows
● GB156-93《 standard voltage》
● GB228 《Tensile test method for metals》
● GB/T3048.2-2007 《Test methods for electrical properties and resistivity materials of metallic conductors》
● GB311.1《Insulation coordination of high voltage transmission and transformation equipment》
● GB/T1627.1-97《High voltage testing technology》
● DL/T620-1997《Overvoltage protection and insulation coordination of ac electrical devices》
● GB/T 4109-1999《High pressure casing technical conditions》
The national standards relating to conductors adopted are as follows
● GB/T 5585.2-2005 《Aluminium and alloy bus for electrical
● GB6983 《Industrial aluminum and aluminum alloy pull (tie) pipe》
● GB/T 4437.1-2000 《Aluminium and aluminium alloys - hot extrusion tubes - part 1: seamless round tubes》
● Q/XH01-2008 《Aluminium and aluminium alloy tubular conductors》
● GB/T 3190-2008 《Chemical composition of deformed aluminum and aluminum alloys》
● GB/T 4436-1996 《Profile dimensions and tolerances of aluminum and aluminum alloy tubes》
Acceptance test standards for electrical equipment of bus equipment
● GBJ149-90《Code for busbar construction and acceptance of electrical installation works》
● GB/T3199—2007《Packaging, marking, transportation and storage of aluminium and aluminium alloy products》
● GB 50260—1996 《Code for seismic design of power facilities》