基于ARM7内核的井下智能馈电开关保护器的设计  

Design of intelligent protector of mine feeder switch based on ARM7 microprocessor

作　　者：刘瑞祥[1] 陈乐[1] 杭庆彪[1] 

机构地区：[1]中国计量学院机电工程学院,杭州310018

出　　处：《工业仪表与自动化装置》2010年第4期98-100,共3页Industrial Instrumentation & Automation

摘　　要：介绍了一种新的数字化馈电综合保护器。该仪表以ARM7微处理器为核心,结合工业控制的需要移植了μC/OS-Ⅱ实时操作系统。主要运用于额定电压为380 V、660 V、1 140 V的三相中性点不接地的供配电系统中,能够实时监测电网状态,遇到故障迅速动作保护电网。保护器研制成功后,进行了现场试验。试验表明该低压综合保护器保护方案可行,参数选择合理,动作灵敏可靠。Introduce a new kind of digital protector of feeder switch.This instrument used the ARM7 microprocessor as its core and with μC /OS-Ⅱreal-time operating systerm.It applicable to rated voltage 380 V,660 V,1 140 V,of three-phase non-neutral point connected to the ground for power supply and distribution system,which can detecte the power grid real-time and act at once by the fault.After test it was proved trustable,the parameters is reasonable and the act is reliable.

关 键 词：馈电开关 嵌入式系统 μC/OS-Ⅱ操作系统 保护 

分 类 号：TM56[电气工程—电器]