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Abstract
As factories play more and more important roles in society economic development,£¬electric energy becomes an important factor to connect difference factories and enterprises£¬ Safety in production and correct utilization of electric energy become the foundation of enterprise development£¬so sufficient attention should be given to these£¬The design of assemble distribution system and high pressure distribution system in factories is necessary£¬This article is about the methods and procedure of substation design and high pressure distribution system design based on original data from factories and knowledge and experience of my own£¬including the following subjects £º calculation of workshop load; the selection of electric the selection of electric location£ºthe whole plant distribution system developed draft£ºhigh voltage line selection£ºcalculation of short circuit current£ºlightning protection and so on¡£
Keywords Load£¬Electric transformer£¬high voltage line£¬lightning protection