XX中学供配电系统设计.rar

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  • 论文格式:Word格式(*.doc)
  • 更新时间:2014-07-14
  • 论文字数:18638
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摘要:本次设计的题目是响水县黄圩中学供配电系统设计,该系统是通过降压变压器和10kV的公共电源干线相连向学校供电,学校对供电可靠性的要求很高,因此要严格按照国标规定以及现代电气技术完成该校的供配电系统设计。

   设计包括负荷计算、无功补偿、变电所的选定、短路电流计算、主变压器的选择、电气主接线的设计、电器设备的选择、继电保护以及防雷措施等主要内容。其中,主接线是变配电所的主体,对整个供配电系统的运作有决定性的作用;负荷计算采用需要系数法;采用并联电力电容器进行无功功率补偿;按照各电气元件所需的校验项目对其进行校验;继电保护主要是对主变压器进行整定计算。 

关键词 供配电系统;变电所;设计

 

Abstract:The design topic is the power supply and distribution system for Huangwei middle school of Xiangshui county,the system is connected with the public line of 10kV through step-down transformer and distribute electrical power to the school.The school’s demand of reliability of power supply is high,so we will strictly according to the regulation of the national standard and the modern electrical technology to complete the design of supply and distribution system. 

   The design includes load calculation,reactive power compensation,the choice of electric power substation ,short-circuit current calculation,the choice of the main transformer,the design of main electrical wiring,the selection of electrical equipment , relay protection and lightning protection measures.Among them,main electrical wiring is main body of substation and distribution station,it has a decisive role on the operation of power supply and distribution system. Load calculation using need coefficient method,at the same time using parallel power capacitor for reactive power compensation.Electrical components according to the needs of the project check.And relay protection is the setting calculation of the main transformer.

Keywords  power supply and distribution  electric power substation  design


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