基于IEC60909标准的风/光互补微电网短路电流水平分析  

Analysis of Short-Circuit Calculations in Microgrid With Wind/Solar Hybrid Based on IEC60909 Standard

作　　者：句荣滨 宋旭日[2] 钟丽波 赵晓娜 郑璐 JU Rongbin;SONG Xuri;ZHONG Libo;ZHAO Xiaona;ZHENG Lu(State Grid Liaoning Electric Power Co.,Ltd.,Shenyang,Liaoning 110006,China;Electric Power Research Institute of China,Beijing 100192,China;State Grid Shenyang Power Supply Company,Shenyang,Liaoning 110003,China;Skills Training Center of State Grid Liaoning Electric Power Co.,Ltd.,Jinzhou,Liaoning 121003,China;State Grid Huludao Power Supply Company,Huludao,Liaoning 125003,China)

机构地区：[1]国网辽宁省电力有限公司,辽宁沈阳110006 [2]中国电力科学研究院,北京100192 [3]国网沈阳供电公司,辽宁沈阳110003 [4]国网辽宁省电力有限公司技能培训中心,辽宁锦州121003 [5]国网葫芦岛供电公司,辽宁葫芦岛125003

出　　处：《东北电力技术》2020年第4期30-35,共6页Northeast Electric Power Technology

摘　　要：在风力发电和太阳能发电2种典型微电源数学模型的基础上,通过电力系统电磁暂态仿真软件平台搭建风/光互补发电系统的等值仿真模型,并分析了包含风/光2种微电源的微电网动态运行特性。以微电网公共耦合母线处发生三相接地短路和单相接地短路故障为例,根据国际电工协会IEC60909标准,对包含风/光互补的微电网在故障情况下的电流水平及电压暂态特性进行仿真研究,结果表明所建微电源及微电网模型均能较好地模拟实际运行情况,为进一步研究微电网的联网运行特性提供了仿真平台。An equivalent model of a hybrid system including wind power and solar power generating units has been built in electromagnetic transient program/alternative transient program(EMTP/ATP)package based on the mathematical models of wind turbine(WT)and photovoltaic(PV).Dynamic response characteristics of wind/PV hybrid in a rural microgrid were studied on the platform of EMTP/ATP.The short-circuit current and voltage levels of the microgrid have been calculated respectively based on the IEC 60909 standard corresponding to the occurrence of a three-phases short-circuit and a single short-circuit at the point of the common coupling(PCC).Simulation results verified that the micro sources and microgrid built in this paper can simulate the actual system operation very well,and it can provide a simulation platform for further study of operation characteristics of system-integrated microgrids.

关 键 词：微电网 IEC60909标准 风/光互补发电系统 短路电流 

分 类 号：TM727[电气工程—电力系统及自动化]