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Busway installation pre-preparation

  • Categories:Zhongrui News
  • Author:
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  • Time of issue:2019-05-29 17:29
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(Summary description)First, divided into two additional installation materials 1) Specifically provided according to actual construction requirements, such as horizontal installation: 12 booms, cross-arms (50*50*50 angle steel); 2) The channel steel and expansion bolts are necessary. Different types are different. The horizontal and vertical mounting brackets of different current grades should be strictly in accordance with relevant regulations. Second, for the appearance

Busway installation pre-preparation

(Summary description)First, divided into two additional installation materials

1) Specifically provided according to actual construction requirements, such as horizontal installation: 12 booms, cross-arms (50*50*50 angle steel);

2) The channel steel and expansion bolts are necessary. Different types are different. The horizontal and vertical mounting brackets of different current grades should be strictly in accordance with relevant regulations.

Second, for the appearance

  • Categories:Zhongrui News
  • Author:
  • Origin:
  • Time of issue:2019-05-29 17:29
  • Views:
Information
First, divided into two additional installation materials
 
1) Specifically provided according to actual construction requirements, such as horizontal installation: 12 booms, cross-arms (50*50*50 angle steel);
 
2) The channel steel and expansion bolts are necessary. Different types are different. The horizontal and vertical mounting brackets of different current grades should be strictly in accordance with relevant regulations.
 
Second, for the appearance
 
1) In order not to affect the connection parts of the functional units of the power supply busbars and the surface of the copper bars on the movable joints, the surface of the copper bars must be cleaned, and the inside of the casing and the insulators should be cleaned before installation.
 
2) Check if the position of the phase-to-phase short-circuiting plate of the lower casing is 'goodly connected, and the phase-to-phase supporting plate should be firmly installed. For the segmented insulated casing, insulation measures should be taken to avoid the occurrence of the torque bolts of the joints. Solid, the contact surfaces should be well sealed, and the busbar fasteners must be hot-dip galvanized.
 
Third, regarding the docking of the busbar and the outer casing
 
1) The busbar and the outer casing should be concentric. The error should not exceed 5mm. When the busbar section is connected with the busbar section, the two adjacent busbars and the busbar casing should be aligned. After the connection, the busbar and the busbar should not be subjected to mechanical stress.
 
2) Before the overall installation of the busbar slot, the insulation test must be done. The insulation resistance of the phase, phase and shell, and the functional units of each functional unit should be measured with a 2500V megohmmeter. The insulation resistance should not be less than 20MΩ.
 
3) The installer should carefully check the busbar system diagram, check the specifications and models of all busbars to avoid blind installation, and cause rework to affect the quality of construction and installation.
 
6 Grounding lightning protection For the installation of the busway, the connection between the start, middle, terminal and channel housings should be reliably connected to the grounding grid of the electrical equipment. Connect the outside of the channel coated with insulating material with a flat copper strip or a yellow-green phase cable on the grounding bolt between the two channels to ensure that the entire channel is connected to form a grounding system.

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