Introduction  In order to realize standardized application and engineering popularization of prefabricated optical cable in standard distribution substation, it is necessary to study the project application scheme and engineering implementation problems of prefabricated optical cable.

  Method  Based on the engineering application and demand of prefabricated optical cable in standard distribution substation, this paper compared the engineering application schemes with the structural type, optical cable type and prefabrication mode of prefabricated optical cable, it also studied some common problems and its solutions such as laying, attenuation control and residual length control.

  Results  This paper unifies the structural type, optical cable type and prefabrication mode of prefabricated optical cable, solves the problems of cable laying, attenuation control and redundancy control length. It can shorten the construction period and save the investment, improve the applicability and economy of prefabricated optical cable in standard distribution substation.

  Conclusion  Combining with the results of this paper, the standard distribution substation can choose the applicable project application scheme and project implementation scheme according the project scale and equipment layout and realize the modular installation and wiring of the whole station optical cable.