煤矿通风机常见电气故障及维修策略分析  

Analysis of Common Electrical Faults and Maintenance Strategy for Coal Mine Ventilator

作　　者：黄小文 HUANG Xiaowen(Huaneng Qingyang Coal and Electricity Co.,Ltd.Hetaoyu Coal Mine,Qingyang 745306,Gansu,China)

机构地区：[1]华能庆阳煤电有限责任公司核桃峪煤矿,甘肃庆阳745306

出　　处：《凿岩机械气动工具》2025年第2期175-177,共3页Rock Drilling Machinery & Pneumatic Tools

摘　　要：煤矿通风机是保障矿井通风、维护矿工生命安全的关键设备。文章针对煤矿通风机电气故障,从定子绕组匝间短路、转子断条、编码器失效、变频器保护等典型故障入手,深入剖析了故障表现形式、成因和危害。在此基础上,文章从绕组故障在线检测与智能报警、转子断条故障无损精准诊断、编码器失效冗余设计与自诊断、变频器参数优化及调试流程改进等方面出发,提出了一套行之有效的预防性维修策略,以期为相关研究提供参考。Coal mine ventilator is the key equipment to ensure mine ventilation and maintain the safety of miners.Aiming at the electrical faults of coal mine ventilator,this paper analyzes the manifestations,causes and hazards of the faults from the typical faults such as stator winding inter-turn short circuit,rotor broken bar,encoder failure and frequency converter protection.On this basis,it puts forward a set of effective preventive maintenance strategies from the aspects of on-line detection and intelligent alarm of winding fault,non-destructive and accurate diagnosis of rotor broken bar fault,redundant design and self-diagnosis of encoder failure,optimization of frequency converter parameters and improvement of debugging process,in order to provide reference for related research.

关 键 词：煤矿 通风机 电气故障 振动频谱分析 电机电流签名分析技术 

分 类 号：TD72[矿业工程—矿井通风与安全]