Opgw24b1 core single dual-mode optoelectronic composite communication power cable 48 core optical fiber composite overhead ground wire

Description :

　　OPGW optical cable installation design:

　　The installation design of the national standard high-voltage power composite ground wire 16 core single-mode OPGW optical cable should consider the coordination with the conductor stress, sag, and insulation gap, and its load should not exceed the allowable range of the current tower and foundation. Therefore, the characteristic curve of the selected OPGW should be calculated based on its main technical parameters, and the layout, appearance, and installation drawings of the junction box, various fittings, and accessories should be designed in combination with the actual engineering situation.

　　1. Treatment of initial elongation of 16 core single-mode OPGW optical cable for national standard high-voltage power composite ground wire

　　For the treatment of initial elongation of 16 core single-mode OPGW optical cable with national standard high-voltage power composite ground wire, the cooling method can be used, that is, to review the aluminum steel ratio of OPGW and refer to the cooling values of similar wires or ground wires to process its initial elongation.

　　2. Design of anti vibration measures for national standard high-voltage power composite ground wire 16 core single-mode OPGW optical cable

　　Among the fittings used in conjunction with OPGW, the tension clamp is of the pre twisted wire type, and the suspension clamp is equipped with pre twisted wire and rubber pads. These two types of fittings have a certain degree of anti vibration capability. To further enhance the anti vibration capability, it is possible to consider installing anti vibration hammers, which are generally calculated based on the span:

　　When the span is ≤ 300m, install an anti vibration hammer;

　　When the span is greater than or equal to 300m, install two vibration dampers.

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• OPGW optical cable