抗电磁干扰性能数字式万用表设计及应用研究  

Design and Application of Digital Multimeter with Anti Electromagnetic Interference Performance

作　　者：宋宇 乔星金 张帆 丁衎 Song Yu;Qiao Xing-jin;Zhang Fan;Ding Kan

机构地区：[1]国网江苏省电力有限公司检修分公司,江苏南京211102

出　　处：《电力系统装备》2020年第2期133-134,共2页Electric Power System Equipment

摘　　要：抗电磁干扰是输配电管理中一项十分重要的工作。现实中,由于大量的变电站、高压输配线的存在,导致在检修、维护过程中时常出现万用表无法准确工作的情形。文章中,结合工作实践,研究、分析了抗电磁干扰性能数字式万用表的设计问题。文中首先对抗电磁干扰性能数字式万用表设计的重要性进行了概述,然后重点从理论分析、核心模块设计两个方面提出了抗电磁干扰性能数字式万用表设计的具体策略,并对抗电磁干扰性能数字式万用表的应用条件进行了简单探讨,以期对减少电力行业电磁干扰所造成的偏差现象的发生有所借鉴。Anti electromagnetic interference is a very important work in transmission and distribution management.In reality,due to the existence of a large number of substations and high-voltage transmission lines,the multimeter often fails to work accurately in the process of maintenance.In this paper,the design of digital multimeter with anti electromagnetic interference performance is studied and analyzed.In this paper,the importance of the design of the digital multimeter of anti electromagnetic interference performance is summarized fi rstly,then the specifi c strategy of the design of the digital multimeter of anti electromagnetic interference performance is put forward from the two aspects of theoretical analysis and core module design,and the application conditions of the digital multimeter of anti electromagnetic interference performance are discussed briefl y,in order to reduce the electromagnetic interference Institute of the power industry The deviation caused by this phenomenon can be used for reference.

关 键 词：数字化 万用表 抗干扰 电磁 

分 类 号：TN934.81[电子电信—信号与信息处理]