The method considers the effectof operational states of protection relay element on operational states of main electrical connectionin combination with the economic calculation.

This paper mainly discusses design principles of main electrical connection,generator and HV auxiliary power supply voltage for small-scale new energy power plants with agricultural residues as feedstock.

On the electric design of modern university building;

The electric design of modern high architecture;

A brief talk on the electrical design of low-high-rise residential building;

On electrical design of automobile gasoline service station;