The utility model relates to a quick self -healing device of one -end substation generating line belongs to integrated automation system technical field. Power supply plug is connected with the CPU plug -in components, NULL plug -in components, AD sampling plug in, open plug -in components, leave plug -in components, man -machine plug -in components all are connected with power supply plug, CPU plug -in components, the NULL plug -in components are connected with AD sampling plug in. The utility model discloses can with the help of interior communications network present in the transformer substation and each spaced measurement and control device, realize the quick self -healing function of important load generating line on the inferior basis of connecting up of just a few that does not change present system architecture of transformer substation and totality, can set up the quick self -healing of generating line logical relevant parameter and definite value simultaneously according to the load side's of transformer substation the actual load circumstances, satisfy the demand of the quick self -healing of generating line of on -the -spot difference.