大型核电站输电规划方案研究

Research on Transmission Planning of Large-scale Nuclear Power Plant

大力发展核电是我国应对气候变化、调整能源结构的重要举措,以L核电站6×1 250 MW机组接入广东电网的输电规划方案进行了研究和分析,在确定电厂送电方向和现有通道输电能力的基础上,提出了两大类共四种输电方案,利用电力系统分析软件工具(PSD),从电网潮流分布、稳定校核、短路电流水平、经济性等方面进行了仿真和计算,综合比较得出推荐方案。结果表明:分别以三回500 k V线路接入A站和B站可以满足核电站全部电力的送出,且技术经济性最优,文章总结提炼的接入电网关注点可作为其他类似大容量核电站拟定输电规划方案的参考。

Nuclear power developing had been an important measure for our country to response the climate change and energy structure adjustment . In this project we studied and analyzed transmission planning of the 6 ×1250MW L nuclear power plant connected to GuangDong Province. Based on the determining of transmission direction and existing channel transmission capacity, we proposed two categories of four kinds of transmission program, we used PSD to calculated and simulated those program in power flow distribu- tion,stability checking,shortcircuit current level ,economic and other aspects,after comprehensive comparison drawn we got the recommended program . The results shown that the recommended program （each three 500kV lines connect to A substation and B substation ） is technical and economic optimal solution, and meet the full electricity transmission. We recommend this program for other similar large-capacity nuclear power plants transmission planning.