摘要
龙滩水电站分两期建设，前期装７台６０万ｋＷ机组，总容量４２０万ｋＷ，后期增加２台６０万ｋＷ机组，装机总容量５４０万ｋＷ。针对电站水头变幅大，因此在不增加水轮机额定水头、额定出力和转轮直径的前提下，推荐机组最大容量为６９万ｋＷ。又根据水质好，和目前国际上水轮机设计制造水平，拟采用不更换转轮和不改变机组转速的方案。此外结合龙滩电站的具体情况，发电机电压母线选用强风冷离相封闭母线；主变压器采用单相变压器；５００ｋＶ高压引线选用干式电缆；５００ｋＶ配电装置采用ＧＩＳ。
The Longtan Hydropower Station will be constructed by two stages. 7 generating units with an installed capacity of 600 MW each will be completed in the first stage and 2 generating units with an installed capacity of 600 MW each in the second stage. The total installed capacity will be 5400 MW. Based on a large range of water head changes and the prerequisite condition of no increasing nominal head,nominal output and runner diameter of water turbine,the maximum generating unit capacity of 690 MW has been recommended. According to good water quality and international design and manufacture of turbine at present,the plan of non-replacing runner and non-changing the rotation speed of generating unit will be adopted. In addition,considering the concrete conditions of Longtan Hydropower Station,strong air-cooling enclosed busbar will be selected and used in voltage busbar for power generator. Main transformer will be single-phase transformer. The high voltage line of 500 kV will be dry-type cable.The 500 kV switch gear will be GIS.
出处
《水力发电》
北大核心
1996年第6期43-46,共4页
Water Power
关键词
水电站
机电设计
机电设计
机电设备
布置
Longtan Hydropower Station,mechanical and electrical design,mechanical and electrical equipment layout
