基于IRIG-B的继电保护系统中秒脉冲和250μs脉冲生成方法  

Generation Method of Second Pulse and 250μs Pulse in Relay Protection System Based on IRIG-B

作　　者：周前[1] 赵阳 马长武[1] 徐广飞 ZHOU Qian;ZHAO Yang;MA Changwu;XU Guangfei(Dongfang Electronics Co.,Ltd.,Yantai 264000,China)

机构地区：[1]东方电子股份有限公司,山东烟台264000

出　　处：《电工技术》2020年第7期78-80,共3页Electric Engineering

摘　　要：介绍了电力监控和保护系统中,一种采用FPGA生成的基于IRIG-B的秒脉冲和250μs脉冲的方法。该方法相对传统方法简单、代码量小、精确度高、抗干扰能力强、便于控制,生成的秒脉冲和250μs脉冲能满足电力监控和保护系统的要求,保证了系统中合并单元、保护、监控装置的正常运行。This paper introduces a method of generating IRIG-B-based second pulse and 250μs pulse using FPGA in the power monitoring and protection system.Compared with the traditional method,this method is simpler with less amount of code,high accuracy,strong anti-interference ability and easy to control.The generated second pulse and 250μs pulse can meet the requirements of the power monitoring and protection system,and ensure the normal operation of the merging units,protection and monitoring devices in the system.

关 键 词：FPGA IRIG-B 秒脉冲 250μs脉冲 

分 类 号：TM77[电气工程—电力系统及自动化]