矿用变频器本质安全型电路设计  

Design of Intrinsically Safe Circuit for Mining Inverter

作　　者：杜卿 Du Qing(China Coal Zhangjiakou Coal Mining Machinery Co., Ltd., Zhangjiakou 075000, China;Zhangjiakou Hengyang Electric Applance Co., Ltd., Zhangjiakou 075000,China)

机构地区：[1]中煤张家口煤矿机械有限责任公司,河北张家口075000 [2]张家口恒洋电器有限公司,河北张家口075000

出　　处：《煤矿机械》2018年第6期26-27,共2页Coal Mine Machinery

摘　　要：针对矿用变频器本质安全型电路远程通讯的数据失真、抗干扰能力差等问题,分析了本质安全型电路的设计原理及要求,并介绍了一种矿用变频器本质安全型通讯电路设计,为类似电路设计提供参考。For the problems of data distortion and poor anti-interference on mining inverter＇s intrinsically safety circuit,analysing the intrinsically safety circuit＇s design principle and requirements,and also introducing a design of mining inverter＇s intrinsically safety communication circuit. Providing reference for similar circuit design.

关 键 词：本质安全型电路 限制能量 隔离 远程通讯 

分 类 号：TM133[电气工程—电工理论与新技术]