ONEREEL
The power safety of Cable Reel in use is the most important. According to the safety requirements, we can choose non-delayed combustion cable, flame-retardant cable, halogen-free flame-retardant cable, fire-resistant cable, etc. 1. The transmission flow of aluminum conductor with the same specification of cable reel is about 0.7 times that of copper conductor. The selection of aluminum conductor is larger than that of copper conductor. The smaller specification can be selected for cross-linked polyethylene insulation, and the larger specification should be selected for fire-resistant wire and cable. The calculated capacity in the table is three-phase 380V Cos φ = 0.85 calculation. When the ambient temperature is high or the open application is adopted, the safe flow will decrease, and the larger specification should be selected; when it is used to start the motor frequently, it should select 2-3 specifications. 2. According to experience, because of its large load current, the section of low-voltage power line should be selected according to the heating conditions, and then its voltage loss and mechanical strength should be checked; Because of its high voltage level requirements, low-voltage lighting lines can first allow voltage loss conditions to select the section, and then check the heating conditions and mechanical strength; First, select the section according to the economic current density, and then check its heating condition and allowable voltage loss; For high-voltage overhead lines, their mechanical strength should also be checked. With regard to the safe use of the cable reel, if you have any questions, please click the avatar to ask online questions. I hope you can ensure the safety during the use.
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.