带阻滤波电路在互感器检定装置中的应用  

Application of Band-Stop Filter Circuit in Instrument Transformer Calibration Device

作　　者：李鹏 LI Peng(Shanxi Design and Research Institute of Mechanical and Electrical Engineering Co.,Ltd.,Taiyuan 030009,China)

机构地区：[1]山西省机电设计研究院有限公司,山西太原030009

出　　处：《机械工程与自动化》2023年第3期193-194,共2页Mechanical Engineering & Automation

摘　　要：互感器现场检定装置中的带通滤波电路无法有效滤除现场测试环境中的电磁谐波,故不能满足现场检定需求。设计了一种多路负反馈二阶带阻滤波电路,使输入电压先经过带阻滤波电路后,再经过原有的带通滤波电路,可以很好地将现场检定工作环境中的电磁谐波滤除掉,保证设备测试精度。The band-pass filter circuit in the transformer field verification device can not effectively filter the electromagnetic harmonics in the field test environment,so it can not meet the needs of on-site verification.A multi-channel negative feedback second-order band-stop filter circuit is designed,so that the input voltage first passes through the band-stop filter circuit,and then through the original band-pass filter circuit,the electromagnetic harmonics in the field verification working environment can be filtered out well.Ensure the testing accuracy of the equipment.

关 键 词：电磁谐波 互感器现场检定装置 带阻滤波电路 

分 类 号：TM133[电气工程—电工理论与新技术] TM45