The design of the subject is the electrical design of two family house villa，a total of four.This design divided into two part ,one is strong electrical design,the other is weak electrical design.Mainly includes the electrical power distribution system design, the electric lighting and the plug design, thunder prevention and earth design, the telephone communication and the visitor to speak system design.
Contents of this dissertation elaborated is the design basis,the design methods, principles of design and so on..The dissertation is divided five chapters to elaborate this building electricity design. The first chapter mainly outlines this design is the project overview; The second chapter main narration the design of illumination and plug, illumination design including degree of illumination computation, the light source selection; the third chapter main narration power supply and power distribution,and the low-voltage power distribution is a key point, the contents Including the line placing exceeding current protection and so on. The fourth chapter main narration thunder prevention and earth, contents Including thunder prevention elementary knowledge, building thunder prevention rank computational method, earth way and so on. The fifth chapter is the weak electricity design, including the telephone communication system design, the cable TV system design, the visitor to speaks system design.
This design for graduation project.The purpose is use our knowledge to actual examples,make the knoeledge and actual examples union more effective.improve the ability of solves the question of myself.
Key words building electrical; illumination; thunder prevention; weak electricity design
