华侨大学学报（自然科学版）2011，Vol.32Issue(3)：276-279,4.
一种微机保护电流传感器的设计及性能分析
Design and Performance of a Novel Current Sensor for Microprocessor-Based Relay Protection
摘要
Abstract
A novel electric current sensor (ECS) prototype for microprocessor-based relay protection was proposed in the paper.The prototype makes some improvement on the structure of the rogowski coil.Both the fundamental structure and the principle of the ECS was analyzed in detail, then the static and transient input-out relationship of the ECS was given also.Simulated results verify that, the ECS has the same anti-interference capability for the adjacent magnetic field as to the outside magnetic field, and the error and phase shift can meet the accuracy requirements during the current measuring when (L0, R0)＜＜R＜＜Rt.In addition, the transient characteristic analysis show that the output voltage can accurately reflect the input of the DC component current.关键词
电流传感器/保护/微机/电力系统/Rogowski空心线圈Key words
current sensor/ relay protection/ microprocessor/ power system/ rogowski coil分类
信息技术与安全科学引用本文复制引用
卢小芬,周有庆,彭春燕,刘乐群..一种微机保护电流传感器的设计及性能分析[J].华侨大学学报（自然科学版）,2011,32(3):276-279,4.基金项目
湖南省重大科技专项(05GK1002-1) （05GK1002-1）
国务院侨办科研基金资助项目(09QZQ01) （09QZQ01）
福建省泉州市科技重点项目(2009G7) （2009G7）
