智能型相敏保护在煤矿中的应用  

APPLICATION OF INTELLIGENT PHASE-SENSITIVE PROTECTION IN COAL MINE

作　　者：郗忠梅[1] 张慧萍[1] 赵法起[1] 李有安[1] 

机构地区：[1]山东农业大学机电工程学院,山东泰安271018

出　　处：《山东农业大学学报（自然科学版）》2004年第1期105-108,共4页Journal of Shandong Agricultural University：Natural Science Edition

摘　　要：分析了设备正常运行及故障状态下的特征 ,介绍了相敏过电流保护的原理 ,给出了以单片机为中央控制单元所构成的过电流保护系统 ,提出了抗干扰措施。实践证明 ,该保护系统性能稳定 ,动作可靠 。This paper analyzes the characteristics of the equipment under the state of both normal operation and malfunction,and introduces the principle of Phase-sensitive over-current protection.Besides,it also recommendes the overcurrent protective system controled by single-chip microcomputer,and proposes some measures of anti-jamming.It has been proved that this protective system is stable and reliable and is of great application value in mining industry.

关 键 词：智能型相敏保护 煤矿 供电系统 过电流保护 抗干扰措施 单片机 功率因数 

分 类 号：TD611.5[矿业工程—矿山机电]