The Study Of Power Supplying District Line Loss Abnormity And The Disposal Method

The line loss ratio of power supplying district is an important economic and technical index, which synthetically reflects the level of power system’s production and operation, distribution network planning and design. At present stage, the line loss of power supplying district management emphasizes on the actual statistical line loss, less on that the line loss of power supplying district reasonable or not. If not, then the reason should be found out. At the practical production management process, the main reason of the abnormal line loss of power supplying district is used to be the guiding to find out the problem of planning programming and meter reading management, in order to improve the level of business management and guarantee management benefit. Therefore, it’s necessary to analyze the abnormal line lossof power supplying district and its treatment measure.In this paper, the method of power supplying district line loss theoretical calculation, the district-dividing of the four-division line loss management and statistics are studied. The reason of abnormal line loss is analyzed and district-dividing abnormal line loss index examining system is built, making abnormal line loss treatment scheme,combined with the actual case. According to the line loss calculation analysis report of a certain county electric power supply bureau in Guangdong province, the reason of abnormal line loss is analyzed, evaluating the line loss calculation result of distribution lines, 10 kV distribution transformer and low-voltage grid. The suggestion for line loss analysis and processing is put forward. The line loss "two comparisons" and abnormity handling at the information integration for power marketing and distributing system is introduced in detail. The application mode, means, object and scene of line loss "two comparisons" and abnormity handling at the information integration for power marketing and distributing system are studied, and the processing scheme of power supplying district and line is proposed. According to the working principle of information integration for power marketing and distributing system and the handling method of abnormal line loss, abnormal power supply area line loss management system based on GIS(Geographic Information System)is built, realizing power supplying district line loss automatic generation and online analysis function. The validity of management system is proved.