一种基于光学互感器的全数字电能计量系统.pdfVIP

学兔兔 总第47卷 第539期 电测与仪表 Vo1．47 No．539 2010年 第l1期 Electrical Measurement Instrumentation NOV．2010 一 种基于光学互感器的全数字电能计量系统 蒋卫，杨华云 (四川电力科学研究院减都610072) 摘要：论述了一种新研制的基于光学互感器、合并单元等组成的全数字电能计量系统，并从构成和技术性能等 方面，对该系统与传统电能计量系统进行了分析比较；且给出了该系统接人220kV输电线路的实现具体方案。近 两年的试运行及与传统电能计量系统的比较表明，该系统计量电能的准确度较高，工作性能稳定可靠，具有良 好的推广应用前景。 关键词：光学电流互感器；光学电压互感器；全数字电能表；数字化变电站 中图分类号：TM452 文献标识码：A 文章编号：1001—1390(2010)11-0032—04 The All-digital Electrical Energy Metering System Based on Optical Current and Voltage Transducer JIANG Wei，YANG Hua—yun (Sichuan Electric Power Research Institute，Chengdu 6 1 0072，China) Abstract：In this paper，a newly developed all-digital electrical energy metering system is discussed，which is based on optical voltage transducer(OVT)，optical current transducer(OCT)and Merge Unit，etc．The difference between traditional electrical energy metering system and all—digital electrical energy metering system is analyzed and compared from the composition and technical performance．The realization method of the proposed all—digital electrical energy metering system on a 220kV vohage grade power system is described．The proposed all—digital electrical energy metering system has been running nearly two years．The operation results show that all—digital electrical energy metering system has higher accuracy，reliable performance and a good application prospect． Keywords：optical current transducer，optical voltage transducer，all-digital electrical metering，digital substation 0 引 言