电流互感器变比的合理选择

Reasonable Election to transformation ratio on Transformer

根据最新计量规程关于电流互感器变比选择的规定,通过现场测试的数据分析电流互感器变比选择过大、过小时对计量的不利影响。利用用电现场管理系统可以查找变比选择不当的用户,依照用户历史用电情况及时调整电流互感器的变比,以保证计量的真实性、线损的准确性。

This paper enumerates the prescription about transformation ratio selection of transformer in the most new metrological procedure,the disadvantage influence of transformation ratio selection oversmall and overlarge to meter is analyzed through the field test data. The incorrect user can be found out through energy field management system,Accoding to situation of history electrical energy consumption to adjust transformation ratio of transformer in time can ensure the validity of metering and accuracy of hne loss.