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Busway temperature rise limit verification can solve the user's four problems

  • Categories:Zhongrui News
  • Author:
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  • Time of issue:2019-05-28 14:10
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(Summary description)If the busway temperature rise limit verification is done, the following problems can be solved by the following users: 1 Purity of copper row: The copper content is directly related to the resistivity of the conductor. The same conductor specification has a large resistivity and a high temperature rise. 2 The cross-sectional area of ​​the conductor is small: the same structure and technology, the conductor of the same conductor containing copper has a small cross-sectional area, and the temperature rise is naturally high.

Busway temperature rise limit verification can solve the user's four problems

(Summary description)If the busway temperature rise limit verification is done, the following problems can be solved by the following users:

1 Purity of copper row: The copper content is directly related to the resistivity of the conductor. The same conductor specification has a large resistivity and a high temperature rise.

2 The cross-sectional area of ​​the conductor is small: the same structure and technology, the conductor of the same conductor containing copper has a small cross-sectional area, and the temperature rise is naturally high.

  • Categories:Zhongrui News
  • Author:
  • Origin:
  • Time of issue:2019-05-28 14:10
  • Views:
Information
If the busway temperature rise limit verification is done, the following problems can be solved by the following users:
 
1 Purity of copper row: The copper content is directly related to the resistivity of the conductor. The same conductor specification has a large resistivity and a high temperature rise.
 
2 The cross-sectional area of ​​the conductor is small: the same structure and technology, the conductor of the same conductor containing copper has a small cross-sectional area, and the temperature rise is naturally high.
 
3 Busbar slot heat dissipation is not good: the insulation material and the shell structure are not well cooled, and the temperature rise is naturally high.
 
4 connector design structure: the contact is not good, the temperature rise will be high.
 
The temperature rise limit verification is to detect the incoming end of the busway, the rod interface, the conductor and the outer casing of the connector, etc., and stabilize the operation through the full load of the busbar slot. The maximum temperature minus the ambient temperature is to determine the temperature rise value of the point. The temperature rise value is accurate to understand the insulation material selected by the busway, and the effective stability in the future full-load operation process and the damage of the casing temperature to the human body during full-load operation to ensure the safe operation of the busbar.
 
If the busbar slot is verified by the temperature rise limit, the user has a number: in the temperature of the environment, the busbar slot is under overload operation, and the overload capacity is also known, which is beneficial to the user cost control and the safe management of the production operation.
 
The vertical mounting busbar fixing brackets and fixings are all provided by the manufacturer, and the horizontally mounted busbar manufacturers only provide claw-type fixings.
 
The busbar slots must be kept on the same line, and then the bolts are tightened. The tightening torque of the connector bolts is 50N.M~65N.M. The other bolt torques are M10-45N.M, M12-80N.M, and the connector bolts are fastened. After that, it must be marked with a paint pen to confirm the fastening point.
 
Busbar slot installation tolerance, vertical installation full length vertical (by floor) 5mm; horizontal installation into row spacing (in each segment) 5mm.

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