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

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.
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