10 kV分布式光伏站并网整定计算案例  

Case Study on Protection Setting Calculation for Grid Connection of a 10 kV Distributed Photovoltaic Station

作　　者：高超 赵立坤 GAO Chao;ZHAO Likun(Qianxi Power Supply Branch of State Grid Jibei Electric Power Co.,Ltd.,Hebei Tangshan 064300,China)

机构地区：[1]国网冀北电力有限公司迁西县供电分公司,河北唐山064300

出　　处：《农村电气化》2024年第11期49-52,共4页Rural Electrification

摘　　要：并网分界开关作为光伏站与供电公司产权的分界点,也是调度范围划分的关键节点,因此必须合理计算保护定值,保证其发生故障时能有选择性地自动切除。文章以迁西县郭庄户10 kV分布式光伏站并网发电为案例,计算了光伏站并网线和集电线的保护定值,希望借此案例,为类似工程项目保护定值的计算提供借鉴和参考。The grid connection demarcation switch serves as the demarcation point between the property rights of the photovoltaic station and the power supply company,and is also a key node for dividing the scheduling scope.Therefore,it is necessary to calculate the protection setting reasonably to ensure that it can be selectively automatically cut off in the event of a fault.This article takes the 10 kV distributed photovoltaic station in Guozhuanghu,Qianxi County as a case study to rigorously calculate the protection settings of the grid connected and collector lines of the photovoltaic station.This case study aims to provide reference and guidance for the calculation of protection settings for similar engineering projects.

关 键 词：分布式光伏 短路计算 定值计算 

分 类 号：TK513.5[动力工程及工程热物理—热能工程]