The design methods and selection methods of volume, power supply mode and control characteristic of the high voltage power supply devices for the electric dust collectors were presented.

The failure of high voltage power supply equipment, especially the earthing failure of high voltage power transmission line, will bring great impact on the construction site.

This article introduces the high voltage power supply style of electric precipitator.

Analysis of underground high-voltage power supply accidents and prevention;

By analyzing the status and accidents of underground high-voltage power distribution system of Tangshan Mining Branch Company, the main causes that influence on high-voltage power supply are found out and the measures of preventing underground high-voltage power supply accidents are put forward.

This paper expounds the feasibility of adopting high-voltage power supply for gantry crane from the angles including design,construction,cost and energy saving,etc.

This paper introduced the design and reform of high and low electric distribution in stage grinding and dressing of Pangang Midi Concentrator.

According to the usable principle, the paper analyzes the reliability and characteristics of high-voltage power supply and distribution system of IT room, and puts the emphasis on the auto-transfer unit and temporary parallel connection.