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The power industry is an important foundation of the national economy, is the focus of the first industries in the national economic development strategy, and its development is the need for social progress and people's living standards continue to improve. The rapid development of China's power industry has made noteworthy achievements in the construction of power grid construction, power structure, have started to enter a new stage of \Power Transmission Project is an important part of the power infrastructure. In recent years, the country to achieve the west to east, south and north for leading national network engineering, increased investment in the construction of high voltage power grid structure, the Grid Corporation started construction of the project has increased year by year. Power Transmission Project management is a complex and difficult systems engineering, involving the progress, quality, investment, security, contracts, personnel, drawings, documents, and many other, WAN, hierarchical management project system, transmission and transformation The electric project management there are a lot of difficulties. At the same time, the power transmission project management has obvious characteristics different from other project management, ie characteristics. Currently in the process of project management, project management software from a practical point of trying to analyze the preparation of the schedule, schedule, cost control, progress analysis to improve power transmission project management. However, the use of these project management software can only text information and data for power transmission project planning, management, and has a distinct power transmission project graphics, terrain, power transmission lines, substations and other characteristics elements of the display, query and analysis, it is difficult to work. It is based on more than the status quo, we propose a the application research topics of Web GIS technology in the power transmission project management system. Transmission project management system based on Web GIS technology combines the modern project management theory, geographic information technology and computer technology. The article describes the status of the power transmission project management, research the characteristics of the transmission project management; expounded the theory of Web GIS analysis and comparison of several Web GIS solutions, Web SuperMap IS GIS development; detailed study of the GIS spatial data organization scheme, a comparative analysis on the SuperMap several data organization program, proposed a \complete system overall program design, given the configuration of the software system development environment and SuperMap IS program, the last of the transmission project management Web GIS functionality and demonstrate the program interface.
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