文章针对水利枢纽的电气一次设计,以平寨电站为研究对象,从接入电气系统入手,对电气一次设计的要点进行分析介绍,明确电气接线、照明接线、过电压保护以及电气设备布置等方面的要求,最后得出电站电气一次设计合理,经济性良好,可行性强,方便后期维护管理的结论。 In this paper, aiming at the primary electrical design of water conservancy project, taking Pingzhai Hydropower Station as the research object, starting with the access to the electrical system, the main points of the primary electrical design are analyzed and introduced. The electrical wiring, lighting wiring, overvoltage protection and electrical equipment layout Finally, the conclusion is drawn that the power station’s electrical design is reasonable, the economy is good, the feasibility is feasible and the post-maintenance management is convenient.