According to the operation and development of most hydropower stations within Shanxi province, this paper describes in detail the design of the automation system in minisize hydropower station with unit capacity under 1 000 kW from aspects of the protection disposition, system configuration, and panel configuration design, etc.

This paper analyzes the system structure,technical feature,hardware configuration and handling instruction of the comprehensive automation system in DF 3003 type computer substation.

This paper expounds the tele-mechanical function of the comprehensive automation system in DF 3003 type computer substation,and introduces in detail the concrete procedures of system\'s joint debugging and some matters needing attention before putting the system into the operation.