Three-core spiral coiling type high-voltage power cable

The utility model relates to the technical field of cable production. The three-core spiral coiling type high-voltage power cable comprises an outer sheath, an insulating layer is arranged in the outer sheath, an outer wire core, a middle wire core and an inner wire core are sequentially arranged in the insulating layer from outside to inside, a first protective layer is arranged between the outerwire core and the middle wire core, and a second protective layer is arranged between the middle wire core and the inner wire core. According to the utility model, the three wire cores are arranged in the outer sheath of the cable, and the wire cores are spirally coiled to form the tubular conductor, so that the load capacity and the load voltage of the cable are improved, the resistance of the wire cores is increased, and the loss of a circuit is reduced. 本实用新型涉及电缆生产技术领域，尤其为一种三芯螺旋盘绕型高压电力线缆，包括外护套，外护套内设有绝缘层，绝缘层内从外至内依次设有外线芯、中线芯以及内线芯，外线芯与中线芯之间设有第一护层，中线芯与内线芯之间设有第二护层。本实用新型通过在线缆的外护套内设置三根线芯，线芯均螺旋盘绕成管状导体，以便提高线缆的负荷容量和负载电压，增大了