一种主变压器中性点直流电流测量装置改进  

A Kind of Neutral Point Direct Current Measuring Equipment Improvement in Main Transformer

作　　者：陈禹安 CHEN Yu-an(Foshan Power Supply Bureau of Guangdong Power Grid Co.,Ltd,Foshan 528000,China)

机构地区：[1]广东电网有限责任公司佛山供电局

出　　处：《电工电气》2020年第1期63-65,71,共4页Electrotechnics Electric

摘　　要：介绍一种主变压器中性点直流电流测量装置的改进应用,对该装置的构成、设计原理和调试安装进行了阐述。通过将传统户外式的电流互感器整合到测量装置端子箱模块总成里面,提高了电流互感器的测量精度,保障测量模块不受户外环境因素影响,避免造成设备老化而影响数据的准确性。运用该新型的测量模式可复制性地推广至更多的中性点直流电流测量设备,为电网规划建设提供一种可行的方案。Introduction was made to a kind of improved application of DC current measuring device for neutral point of main transformer.This paper expounded the constitute,the design principle and the debugging installation of this device.By integrating the traditional outdoor current transformer into the terminal box module assembly of measuring device,the measuring accuracy of current transformer was improved,so that the measuring module was not affected by the aging of equipment caused by outdoor environment.The application of this new type measuring module can be copied to much more neutral point DC measuring devices,which provides a kind of feasible scheme for the power system planning and construction.

关 键 词：主变压器 中性点直流测量 电流互感器 装置改进 

分 类 号：TM401.2[电气工程—电器]