EVCOME EV charging stations for better life---Top EV charging stations manufacturers & suppliers in China.
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EVCOME EV charging stations for better life---Top EV charging stations manufacturers & suppliers in China.
Generally, the route selection of new energy cables should meet the following requirements: Cables should avoid hazards such as mechanical force, overheating, and corrosion. Keep the cable paths as short as possible while meeting safety requirements. The third is convenient installation and maintenance. The fourth is to avoid the place to be excavated for construction. 5 When the oil-filled cable line passes through undulating terrain, the reasonable configuration of the oil supply device should be ensured. The upper, lower, left and right changes of any laying method and all path conditions shall meet the requirements of the allowable bending radius of the cable. The allowable bending radius of the cable shall meet the requirements of the cable insulation and its structural characteristics. Allowable bending radius for self-contained lead-filled oil-filled cables. It can be calculated as 20 times the outer diameter of the cable. When there are a large number of cables in the same channel, if they are laid on the multi-layer support on the same side, the following regulations should be met: 1. Power cables from high to low, control and signal cables from strong to weak, and communication cables sorted in order. When there are high-voltage cables above 35kV in the horizontal passage, or the cables leading into the cabinet panel meet the requirements of the allowable bending radius, it should be installed. 2. Arranged in bottom-up order. When the same project or cable channels are extended to different projects, they should be configured in the same upper and lower order. When the number of support layers is limited by the channel space, power cables of adjacent voltage levels of 35kV and below can be arranged on the same support, and power cables of 1kV and below can also be arranged on the same support with strong current control and signal cables. 3. Working and spare cables for the same important circuit. When fire-resistant partitions are used, they should be arranged on supports of different layers. The arrangement of cables on the same layer of support shall meet the following requirements: Control and signal cables shall be reliable or stacked in multiple layers. Except that the same circuit of single-core power cables in the AC system can be configured in a zigzag (trilobal) shape, multiple important power cables of the same circuit should not overlap. .
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