| The power produced by electricity substation distribution links in the supply of user through the transmission. Transmission and distribution power in the process, the power of each element, transformers, transmission lines, compensation and adjustment of equipment and measurement and protection devices, has to spend some energy.This paper was based on the project of line losses automation management system. Worked with the soft team of Peking Kedong Company, the method of line loss calculation and the construction of the management system were studied. The main work of this paper was listed as followed:(1) The method of line loss calculation was studied, and the RMS current algorithm was chosen to calculate the line loss.(2). According to the established power grids, to build the distribution network topology, propose the node and branch numbering scheme, Establish loss calculation mathematical model.(3) The work mode of the electric network was studied and some mode of line losses was proposed.(4) At last, a real Project was developed as an example of line losses automation management system.The energy management system achieves the power and energy of the real-time statistics and analysis capabilities, greatly improving the efficiency of management personnel and the technology management level. After the application of Dalian Power supply company, resulting in considerable economic and social benefits. |
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