The paper makes a deep study on the safe operation management system of manless substation,The CAN communication bus is used between the terminal equipment and pre-warning host to ensure the quality of information transmission.

Discussion of the design principle on unattended substation;

The SCADA system of Qinghai 330kV unattended substation displays defects on operation.

Analyzes the problem of unattended substation DC electrical source system operating management in Shizuishan Power Supply Bureau, illustrates the structure, performance and practical application of substation DC power supply remote monitoring system in Shizuishan Power Supply Bureau .

On design and disposition of unmanned substations;

Aiming at the defects in current remote supervision of unmanned substations, a new idea by introducing visual analysis into remote supervision of unmanned substations to improve the level of surveillance is presented.

It has significance for improving security and reliability of power supply and realizing unattended duty of underground central substation that installing and using automatic switch-in device of standby power supply in underground central substation.

The research on computer protective system of nobody's on duty transformer substation of adopting area in the pit of colliery;