基于莫合泉变电站实测数据分析电气化铁路对电网电能质量的影响  

Influence analysis of electrified railway on power quality of power grid based on measured data of Mohequan station

作　　者：马天娇 李青 张明江 张琪瑞 MA Tianjiao;LI Qing;ZHANG Mingjiang;ZHANG Qirui(Xinjiang Railway Vocational and Technical College,Urumqi 830000,China;State Grid Xinjiang Electric Power Co.,Ltd.,Electric Power Research Institute,Urumqi 830000,China;State Grid Heilongjiang Electric Power Co.,Ltd.,Electric Power Research Institute,Harbin 150030,China;State Grid Heilongjiang Electric Power Co.,Ltd.,Harbin 150090,China)

机构地区：[1]新疆铁道职业技术学院,乌鲁木齐830000 [2]国网新疆电力有限公司电力科学研究院,乌鲁木齐830000 [3]国网黑龙江省电力有限公司电力科学研究院,哈尔滨150030 [4]国网黑龙江省电力有限公司,哈尔滨150090

出　　处：《黑龙江电力》2021年第5期412-415,共4页Heilongjiang Electric Power

摘　　要：电铁负荷作为两相供电整流干扰源会给电网带来严重的电能质量问题,影响供电质量和系统安全稳定运行。对220 kV莫合泉变电站的电能质量进行了现场测试和分析,发现电铁负荷对该变电站的谐波电流产生了严重影响,并给出了初步的改善建议。As a two-phase interference rectifying power supply,electric railway load will bring serious power quality problems to the power grid,which will affect the quality of power supply and the stable operation of the power system.In this paper,the power quality of 220 kV Mohequan station is tested and analyzed.It is found that the electric railway load has a serious impact on the harmonic current of the station,and the preliminary improvement suggestions are given.

关 键 词：电能质量测试 电铁负荷 谐波超标 

分 类 号：TM712.2[电气工程—电力系统及自动化]