DEVELOPMENT OF THE DATABASE SYSTEM FOR MAINTENANCE OF ELECTIC FACILITIES IN URBAN TRANSIT

초록

For efficient maintenance of electric facilities for urban transit, it is very important to find necessary data in real time through information technology and to manage history of maintenance work. So, it is required to define and compose database for efficient maintenance of electric facilities through sharing information among organizations which has responsibility for operating urban transit. In this paper, standard database tables and its models using ERD(Entity Relation Diagram) of basis information such as electric car line, power transmission line, station electricity, etc. and of maintenance work information such as repair plan, work result, check point of facilities, etc. and of electric power usage information such as electricity receiving equipment, used electricity amount, etc. and of statistic information about electric facilities, work state are represented.