链形结构电流互感器一次电流在环形铁心中产生的磁场计算  

Calculation of Magnetic Field Produced in Ring Core by Primary Current of Chain-Type Current Transformer

作　　者：刘玉凤[1] 罗青林[2] 王翠娟[1] 

机构地区：[1]沈阳沈变互感器制造有限公司,辽宁沈阳110135 [2]沈阳变压器有限责任公司,辽宁沈阳110025

出　　处：《变压器》2001年第5期29-33,共5页Transformer

摘　　要：介绍了链形结构电流互感器一次导体中的电流在二次绕组环形铁心中产生的磁感应强度的计算方法 ,并推导出计算公式 ,给出了改善铁心中磁场分布的方法 。This paper introduces a calculating method of magnetic induction intensity which is produced in ring core of secondary winding by current in chain-type current transformer primary conductor. Its calculating formula is derived. A method improving magnetic field distribution in core is given. Applicability of the method is verified by the testing results of the products.

关 键 词：电流互感器 链形结构 一次电流 环形铁心 磁场计算 

分 类 号：TM452[电气工程—电器]