Colliery is flexible cable for variable frequency device

The utility model relates to a colliery is flexible cable for variable frequency device, the ground wire conductor and the phase line conductor that include the flexible construction that forms by stranded tinned copper wire transposition, be equipped with ground wire aramid fiber in the ground wire conductor and strengthen the core, be provided with phase line aramid fiber in the phase line conductor and strengthen the core, the outside cladding of ground wire conductor is equipped with the semi -conductive layer, and the outside cladding of phase line conductor is provided with the EP rubbers insulating layer, and the outside cladding of EP rubbers insulating layer is provided with semiconduction insulation screen, the quantity of ground wire conductor and phase line conductor is three respectively, and three ground wire conductor evenly distributed are in the latasuture of three phase line conductors, ground wire conductor and phase line conductor strand the constitution cable core mutually, the outside fi