title>GB 5585.3-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 3: Aluminum busbars - GB 5585.3-1985 - Chinese standardNet - bzxz.net
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GB 5585.3-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 3: Aluminum busbars
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Standard ID:
GB 5585.3-1985
Standard Name: Copper, aluminum and their alloy busbars for electrical purposes Part 3: Aluminum busbars
This standard is mainly applicable to electrical aluminum busbars. This standard must be used together with GB 5585-85 Part 1. GB 5585.3-1985 Copper, aluminum and their alloy busbars for electrical purposes Part 3: Aluminum busbars GB5585.3-1985 Standard download and decompression password: www.bzxz.net
Some standard content:
1 Scope of application National Standard of the People's Republic of China Copper or aluminum and its alloy bus for electrical purposes Part 3: Aluminum busbar Copper or aluminum and its alloy bus barsfor electrical purposes part 3: Aluminum bus bar 1.1 This standard is mainly applicable to electrical aluminum bus bars. 1.2 This standard must be used together with GB5585-85 Part 1. 2 Guidelines for use 2.1 The aluminum busbars in this standard can also be used as winding wire conductors. UDC621.315.53 GB5585.3-85 2.2 If the specifications of this standard are not large enough, it is allowed to be extended to the required specifications according to the priority number system rules and negotiated with the manufacturer. 3 Model The model of aluminum busbar is shown in Table 1. Table 1 Type LMR LMY Specifications No. Status o| |tt||H State The specifications of the aluminum busbar should comply with the provisions of GB5585-85 Part 1. 5 Technical requirements 5.1 The technical requirements of aluminum busbars shall 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 issued by the National Bureau of Standards on November 20, 1985 technical requirements comply with the provisions of Table 2 of Article 6.1 of GB5585.1 Conforms to the provisions of Table 4 of Article 6.2 of GB5585.1 Conforms to the provisions of Article 6.3 and Table 6 of GB5585.1 Test type T,S Name||tt ||Weighing Soft aluminum busbar Hard aluminum busbar Test method GB4909.2—85 Implemented on 1986-10-01||tt ||Serial number 2 3 4 5 6 7 Project name||tt| |Tensile strength Elongation Hard Degree Bending Curved Resistivity Straight| |tt||Degree 5.2 Tensile strength and elongation GB5585.3—85 Continued Table 2bzxZ.net Technical requirements Conform to this Table 3 of Article 5.2 of the standard Conforms to the provisions of Table 3 of Article 5.2 of this standard Not applicable Conforms to the provisions of Table 4 of Article 5.3 of this standard Conforms to this standard Article 5.4 stipulates Comply with the provisions of Chapter 11 of GB5585.1 The tensile strength and elongation of the aluminum busbar shall comply with the provisions of Table 3. Table 3 Full Type No. LMR LMY 5.3 Flexural Tensile strength (minimum) N/mm2 68.6 118 Part Test type T,s T,s| |tt||T,s T,s T,s Specification Grid Test method GB4909.3 —85 GB4909.3—85 GB3048.2—83 GB3048.2—83 GB4909.2—85 Elongation (Minimum) % 20 3 The aluminum busbar is bent at 90° with 6 sides. There should be no cracks on the surface. The diameter of the bent cylinder is selected according to the size of side a. must comply with the requirements of Table 45.3.1 . 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 inch The resistivity of the aluminum busbar should comply with the requirements in Table 5. Table 5 type LMR LMY No. bent curved 10 16 32 64 126 Straight Diameter Resistivity P20 (not greater than) 2.mm2 /m 0.028264 0.0290 mm GB5585.3-85 When calculating, the physical parameters of the aluminum busbar at 20℃ should be as follows Value: Density: 2.703g/cm3 Linear expansion coefficient: 0.000231/℃ Temperature coefficient of resistance: LMR type 0.004071/CLMY type 0.004031/C 6 Test Products should be tested as specified in Table 2. Xie Jia’s explanation: This standard was 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.