A general machinery introduced distribution system structure and protection system According to the workshop equipment capacity and power factor， the plant can be calculated according to the load conditions， reactive power compensation， the calculation of short-circuit current and the wiring scheme In order to ensure the safe operation of power plant should be installed in the power supply system of relay protection device， is divided into two parts and transformer lines， including over-current， overload， fast and gas By lightning distribution on lightning protection， should establish public substationgrounding Distribution of plane layout should include supply， transformer， high duty and lounge， layout should according to the type of equipment， capacity and take-off wiring schemes， and consider the reasonable layout of ventilated with daylighting
