摘要
研发高精度微型电流互感器是目前电力仪器仪表行业共同关注的课题。本项目采用微磁通原理,无源补偿误差方式,双铁芯双绕组结构制造高精度微型电流互感器;在误差允许的范围采用微磁通有利于简化结构;本项目设计的CT系列微型电流互感器通过测试,测量精度达到0.02级。
Developing a high-accuracy and low current transformer（CT） is the common concern of electric instruments industry at the moment.In this project,a high-accuracy and low current transformer with double-core and double winding structure is desigened based on the principle of micro flux and the method of passive compensation errors.It is advantageous to simplify the structure by using the principle of micro flux in the range of allowable errors.The CT series micro current transformer which is designed in this project have passed the test,and the precision is up to 0.02%.
出处
《电测与仪表》
北大核心
2010年第11期51-54,共4页
Electrical Measurement & Instrumentation
基金
工业攻关高新技术产业化基金项目(2010B010900011)
关键词
电流互感器
高精度
微磁通
双铁芯
无源补偿
current transformer
high-accuracy
micro flux
double-core
passive compensation
