某水电站增效扩容改造电气设计  

Electrical design for efficiency improvement and capacity expansion of a hydropower plant

作　　者：叶力文 YE Li-wen(Ji'an Water Resources and Hydropower Planning and Design Institute,Ji'an 343000,China)

机构地区：[1]吉安市水利水电规划设计院,江西吉安343000

出　　处：《水电站机电技术》2024年第10期40-42,158,共4页Mechanical & Electrical Technique of Hydropower Station

摘　　要：针对某水电站增效扩容改造项目,提出电气设计与应用的具体方案,表明通过优化电气主接线设计、选择合适的高压配电设备、改进厂用电系统以及完善过电压保护与接地措施来提升水电站的运行效率和安全性。首先,文章介绍了项目概况,详细描述了电气主接线设计的思路和实施方法;接着,针对6.3 kV和35 kV高压配电设备的选型和布局进行了深入分析;随后,阐述了厂用电系统的优化设计;最后,探讨了过电压保护和接地系统的设计与应用,希望对同行提供一些借鉴。For the efficiency improvement and capacity expansion project of a hydropower plant,this paper puts forward a specific scheme for electrical design and application,indicating that the operation efficiency and safety of the hydropower plant can be improved by optimizing the main electrical connection design,selecting appropriate HV distribution equipment,improving the house power supply,and perfecting the overvoltage protection and grounding measures.Firstly,this paper gives the project overview and describes in detail the idea and implementation method of main electrical connection design.Secondly,it deeply analyzes the selection and layout of 6.3 kV and 35 kV HV distribution equipment.Thirdly,it expounds the optimization design of house power supply.Fourthly,it discusses the design and application of overvoltage protection and grounding system.It intends to provide some reference for our peers.

关 键 词：水电站 增效扩容 电气设计 厂用电 

分 类 号：TM645[电气工程—电力系统及自动化]