范文编号:ZD358 范文字数:30228,页数:57,有开题报告,任务书,文献综述,CAD图 【摘要】随着我国建设事业的的蓬勃发展,供电领域涌进了许多新技术、新设备;国家也相应制定了一系列的技术政策和设计规范。变电站技术经过十多年的发展,已逐步趋向自动化、数字化、智能化。本设计首先对我国的电力工业发展、电力系统的概念和变电站的类型等做了一个初步的概括。然后通过对实地的考查,数据的分析,进行变电站的负荷计算和无功补偿计算等等。再利用结果对主变压器台数和容量进行选择和主结线方案的确定。其中对主接线的选择做了较为详细的说明,也通过图形对照进行确定。然后通过对短路的计算,选择高压开关设备。同时考虑到系统发生故障时,必须有相应的保护装置,因此也对二次结线和继电保护做了简要说明。对于来自外部的雷电过电压,则进行了防雷保护和接地装置的设计。在完成理论说明的同时,增加了几幅图纸,以便于理解和更容易施工。
【Abstract】:Along with the our country developments business of booming development, the power supply realm flowed out into many new techniques, new equipments;Nation and also the cowgirl establishes a series of technique policy with design the norm.The transformer substation technique is through the development of more than ten years, inclining to already and gradually the automation, arithmetic figure turns, the intelligence turns.This design develops to the electric power industry of the our country first, the concept of the electric power system waited to do with the type of the transformer substation a first step generalizes.Then pass to investigate on the spot, the analysis of the data, proceed the burthen calculation of the transformer substation with have no the coefficient the in expiation of calculation the etc..Make use of again the result to count to the main transformer set to proceed the choice with capacity to settle with main knot line project really.Among them connect to the lord the linear choice did than for expatiation, also pass the sketch check against the proceeding makes sure.Then pass to the short-circuit calculation, choice high pressure switch equipments.At the same time in consideration of When the system occurrence break down, must have the homologous protection device, therefore too to two times knot line with after and did the synopsis the elucidation.Proceeded come from exterior thunder and lightning conduct electricity press, very much to defend the thunder protect with the design that connect a ground of devices.At complete the theories explanatory at the same time, increased a few diagrams paper, in order to in comprehend with start construction more easily. 目 录 摘 要………………………………………………………………………………………I 110kV变电站的设计相关范文 |
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