Electric transmission system for HSHM-PE fiber back drawing machine

The invention discloses an electric transmission system for an HSHM-PE fiber back drawing machine, comprising a man-machine interface, a main control PLC, an extension module and at least two direct current speed regulation units, wherein each direct current speed regulation unit comprises a direct current speed regulator, a direct current motor and a speed measurement feedback motor; the main control PLC defines one direct current speed regulator as a logical main direct current speed regulator, and the other direct current speed regulators are all logical slave direct current speed regulators; and interlocking connection is formed among the direct current speed regulators of each direct current speed regulation unit through an analog amount channel to transport torque component. By adopting the electric transmission system, the mechanical fault rate of the electric transmission system can be lowered to enable the back drawing machine transmission equipment to be in a favorable working state, thereby efficiently enhancing the production benefit and quality.