空心线圈电流互感器的特点及其在保护装置中的应用  

Characteristics of Air-core Coil Current Transformer and Its Application in Protecting Equipment

作　　者：陈伟[1] 高乐旭[2] 张英[1] 

机构地区：[1]河北工业大学电气与自动化学院,天津300130 [2]中海石油基地集团有限责任公司采油服务分公司,300452

出　　处：《电气开关》2007年第1期31-32,35,共3页Electric Switchgear

摘　　要：介绍了空心线圈电流互感器的工作原理和特点,设计了适于此种互感器的交流采样和处理电路,详细介绍了软件的处理过程。理论分析和试验结果证明空心线圈电流互感器具有体积小、线性度好、频带宽、无饱和等优点,特别适用于微机测量和保护的需要,已成功应用于矿用磁力起动器综合保护装置。This paper introduces the principle and characteristic of the air-core coil current transformer, designs AC-sampling and.processing circuit, and introduces the process of software detail. Theoretical analysis and test results verify that the air-core coil current transformer has economical bulk, good linearity, broad band and non-saturation, especially for the requirements of computer measure and protection. It has been successfully applied to synthetic protecting equipment of magnetic starter used in mine.

关 键 词：空心线圈 电流互感器 交流采样 傅立叶算法 

分 类 号：TM452[电气工程—电器]