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220kV降压变电所电气部分设计.doc

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220kV降压变电所电气部分设计.doc

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文档介绍:220kV降压变电所电气部分设计
220kV降压变电所电气部分设计
220kV降压变电所电气部分设计
摘   要
本设计是对220kV降压变电所电气部分初步设计.包括对电气主接线的确定,主要电气设备的选择,包括断路器,隔离开关,电流互感器,电压互感器,母线,站用变压器等。
全设计详细的说明了各种设备选择的最基本的要求和原则依据。 变压器的选择包括:主变压器的台数、容量、型号等主要技术数据的确定;电气主接线主要介绍了电气主接线的重要性、设计依据、基本要求、各种接线形式的优缺点以及主接线的比较选择,并制定了适合要求的主接线; 短路电流计算是最重要的环节,本设计详细的介绍了短路电流的计算;高压电气设备的选择包括母线、高压断路器、隔离开关、电流互感器、电压互感器的选择原则和要求,并对这些设备进行校验和产品相关介绍 .
关键词:220KV 变电站 电气主系统设计
Abstract
220kV降压变电所电气部分设计
220kV降压变电所电气部分设计
220kV降压变电所电气部分设计
The topic that I design is that a topic designed this time is that " electric a part of   transformer substation is designed ", its main task is a preliminary design  of a part to the transformer substation of He Dong。Including to the electric sureness that mainly wire, the choice of the main electric equipment, including circuit breaker, isolate the switch, the mutual inductor of electric current, voltage mutual inductor, bus bar, stand with the voltage transformer and wait。
Whole thesis besides summary graduate to design the book outside, returned the expatiation every kind of most   basic request that equipments choose with principle according to. The choice of the transformer includes: Main transformer use the main technique in number, capacity, model number...etc. in set data of the transformer to really settle; The electricity lord connected the line to introduce primarily the electricity lord connects the linear importance, design according to, the basic request, every kind of merit and shortcoming and lords that connect the line form connects the linear choosing more, the lord that combine to establish the in keeping with my plant the request connects the line; The short-circuit galvanometer is regarded as the most important link, this thesis introduced the calculating purpose in short—circuit electric current, assumption term, general provision, the calculation, network transformation of a parameter detailed, and each calculation etc。
Keywords:Transformer substation; Power system;  Mainly wire