并网光伏发电系统对电能计量影响研究  

Impact Research of Grid-Connected Photovoltaic Power Generation System Impacton Power Energy Metering

作　　者：石振刚[1] 张洋瑞[1] 任鹏[1] 冯波[1] 

机构地区：[1]国网河北省电力公司电力科学研究院,石家庄050021

出　　处：《河北电力技术》2015年第5期17-19,共3页Hebei Electric Power

摘　　要：研究光伏发电系统对现行电能计量装置的影响,分析光伏发电系统逆变器的工作原理,并给出逆变器输出的谐波成分。在此基础上根据现行电能计量装置工作机理,说明谐波影响电能计量的原理,论证光伏接入将对电能计量的准确性和公平性造成较大影响,最后给出了针对新情况下电能计量的改善措施。In order to study the impact of photovoltaic on the existing power energy metering devices,the working mechanism of the inverter is analyzed,the harmonic components of the output of the inverter are given.According to the working mechanism of the existing power energy metering devices,the principle of harmonics affecting on power energy metering is described,and it is demonstrated that the photovoltaic will make a great impact on the accuracy and fairness of power energy metering,at last,some improvements of power energy metering in the new circumstances are proposed.

关 键 词：光伏 逆变器 谐波 电能计量 

分 类 号：TM615[电气工程—电力系统及自动化]