范文编号:DQ021 范文字数:14866,页数:35 附CAD图 摘 要 关键词 : 供电方式,档距,短路电流计算,保护整定,可靠性 Abstract First papers is a brief introduction on the development of power industry background and the significance of design, the basis for the design of Baishi.Then, through the design of the power supply at home and abroad with the way the status quo of the two modes of power supply, power supply to the city's rural power grids way to find out; Baishi to the power industry based on the profile of 10 kV and 690 lines of rubber raw data The analysis of overhead wires and files from a selection and design, and identify system to sketch; overhead lines in order to ensure the safety and reliability, the simple transformer on the side of a short-circuit current calculation, thus select high-voltage equipment, And the protection devices. Finally, according to some information access, improving power grids and maintain a reliable way to a simple question to a number of measures. The design of the main objectives is to improve the reliability of the power system, saving the cost of electricity enterprises, increase the economic efficiency of enterprises so that the 10 kV line to further automate the management. As conditions and time constraints, this design just graduated from high pressure lines and high-pressure equipment design a more detailed exposition, and for lines and transformers in the relay only made the choice simple, hope in the future Study and work can be studied in greater depth. Keywords: power supply way, Span, Short-circuit current computation, Protection installation, Reliability
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