DC submarine cable is one of the most important equipment of long-distance offshore wind power transmission,and its construction reliability are critical to the safe operation of offshore wind farms.Based on the catenary calculation model,the calculation method for tension of DC submarine cable laying is proposed.Using the calculation model,the influence of laying depth,laying speed,submarine cable armor structure and materials on the tension of submarine cable laying is studied.The variation law between the angle of submarine cable entry and laying speed is also calculated.Based on the calculation results,the proposed control measures for the tension of DC submarine cable laying and bending radius can guide the construction of long-distance offshore DC submarine cable project.
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