title>GB 5585.2-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 2: Copper busbars - GB 5585.2-1985 - Chinese standardNet - bzxz.net
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GB 5585.2-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 2: Copper busbars
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Standard ID:
GB 5585.2-1985
Standard Name: Copper, aluminum and their alloy busbars for electrical purposes Part 2: Copper busbars
This standard mainly applies to electrical copper busbars. This standard must be used together with GB 5585-1985 Part 1. GB 5585.2-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 2: Copper busbars GB5585.2-1985 Standard download and decompression password: www.bzxz.net
Some standard content:
Scope of application National Standard of the People's Republic of China Copper, aluminum and their alloy busbars for electrical purposes Part 2: Copper busbars Copperoraluminiumanditsalloybusbarsfor electrical purposes Part 2: Copper bus bar 1.1 This standard is mainly applicable to electrical copper bus bars. 1.2 This standard must be used together with GB5585-85 Part 1. 2 Guidelines for use 2.1 The copper busbars in this standard can also be used as winding wire conductors. UDC621.315.51 GB5585.2-85 2.2 If the specifications in this standard are not large enough, it is allowed to extend to the required specifications according to the priority number system rules and negotiate with the manufacturer. 3 Model The model of copper busbar is shown in Table 1. Table 1 Type TMR TMY Specifications State Status o| |tt||H The specifications of the copper busbar should comply with the provisions of GB5585-85 Part 1. 5 Technical requirements 5.1 The technical requirements of copper busbars should comply with the provisions of Table 2. Table 2 Serial number 1 1.1 1.2 1.3 Project name Size axb Deviation Rounded corners National Bureau of Standards 1985 -11-20 release Technical requirements Conform to GB5585.1 No. Table 2 of Article 6.1 Conforms to the provisions of Table 3 of Article 6.2 of GB5585.1 Conforms to the provisions of Article 6.3 and Table 5 of GB5585.1 Test type T, Name Name Soft copper busbar Hard copper busbar Test method GB4909.2—85 1986-10-01 Implementation Serial number 2 3 4 5 6 7 Project name tensile strength elongation hard bend degree bend resistivity||tt ||Straight Degree 5.2 Tensile strength and elongation GB5585.2—85 Continued Table 2 Technical requirements||tt ||Conform to the provisions of Table 3 of Article 5.2 of this standard Conform to the provisions of Table 3 of Article 5.2 of this standard Conform to the provisions of Table 3 of Article 5.2 of this standard Conform to Article 5.3 of this standard Table 4 stipulates Conforms to the provisions of Table 5 of Article 5.4 of this standard Conforms to the provisions of Chapter 11 of GB5585.1 The tensile strength and elongation of the copper busbar shall comply with the provisions of Table 3. Table 3 Full Type No. TMR TMY 5.3 Flexural Tensile strength (minimum) N/mm? 206 Part Regulation Test type T,s T,s T,s T,s T,S T,S grid Elongation (minimum)| |tt||% 35 Test method GB4909.3—85 GB4909.3-85 GB4909.6—85|| tt||GB3048.2—83 GB3048.2—83 GB4909.2—85 Brinell hardness (minimum) HB 65 5.3.1 Bend the copper busbar at 90° on one side and there should be no cracks on the surface. The diameter of the bent cylinder is selected according to the size of side a and should comply with the requirements in Table 4. Table 4 standard 5.4 resistivity scale foot 2.24~2.50 2.65~4.00| |tt||4.25~8.00 9.00~16.00 17.00~31.50 The resistivity of the copper bus bar should comply with the requirements in Table 5. Table 5 type number TMR TMY bent curved 5 8 Straight 16 32 63 Diameter Resistivity P20 (not greater than)www.bzxz.net Q.mm2 /m 0.017241 0.01777 mm GB5585.2-85 When calculating, the physical parameters of the copper busbar at 20C should take the following values: Density: 8.89g/cm3 Linear expansion coefficient: 0.0000171/℃ Temperature coefficient of resistance: TMR type 0.003931/℃TMY type 0.003811/C 6 test product The test should be carried out as specified in Table 2. Additional notes: This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China. This standard is under the jurisdiction of the Shanghai Cable Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Shanghai Cable Research Institute of the Ministry of Machinery Industry and others. Yuan Hesheng is the person in charge of drafting this standard. Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.