earticle

영어

Today, as our industries and businesses is almost dependent on electric apparatus or on-line system, management system of electric facilities is necessary to be considered as the part of the maintenance of the building. Also, facilities of power supplies can't always provide stable power service because of various situations of blackout caused by natural disaster, construction of extension building or remodeling building. So a study of emergency power system is required. Therefore, we will research the communication facility so that we are going to study the emergency power equipment of Buildings, and analyze the importance of emergency power equipment depends.