爆炸性环境用变频驱动系统防爆功能技术分析  

Technical analysis of flameproof function of variable frequency drive system used in explosive atmosphere

作　　者：李世光[1,2,3] 伍小杰 于月森[1] 夏晨阳[1] 王新华[1,2,3] LI Shiguang;WU Xiaojie;YU Yuesen;XIA Chenyang;WANG Xinhua(Jiangsu Coal Mine Electrical and Automation Engineering Laboratory,China University of Mining and Technology,Xuzhou 221116,China;Guangzhou Academy of Special Equipment Inspection and Testing,Guangzhou 510760,China;China National Quality Supervision and Testing Center of Explosion-proof Equipment(Guangdong),Guangzhou 510760,China)

机构地区：[1]中国矿业大学江苏省煤矿电气与自动化工程实验室,江苏徐州221116 [2]广州特种机电设备检测研究院,广东广州510760 [3]国家防爆设备质量监督检验中心(广东),广东广州510760

出　　处：《煤矿安全》2021年第11期139-146,共8页Safety in Coal Mines

基　　金：国家重点研发计划资助项目(2018YFC0808905);广东省质量技术监督局科技资助项目(2017CT19)。

摘　　要：与普通电气传动系统相比,在煤矿、石化等现代工业生产中存在可燃性混合物形成的爆炸性环境,变频驱动系统由于电火花和热表面等潜在点燃源存在,可能引起爆炸导致人员伤亡和重大损失。对爆炸性环境下变频驱动系统防爆功能技术方面的标准、研究现状进行梳理,从爆炸性环境下变频驱动系统结构与安全、防爆变频器、防爆电动机3个方面进行归纳总结,讨论了系统各部分研究和特殊环境应用中存在的问题;对极限环境下变频驱动系统可靠性、爆炸性环境下变频驱动系统安全评估技术、新型隔爆变频驱动一体化技术等方面进行了展望。Compared with the ordinary electric drive system,there is a wide range of explosive environment formed by flammable mixtures in modern industrial production such as coal mines and petrochemicals.The existence of potential ignition sources(electric spark and thermal surface)in the variable frequency drive system may cause explosion,resulting in casualties and heavy losses.Firstly,this paper introduces standards,research status of explosion protection technology of variable-frequency drive system in explosive environment,and summarizes the structure of frequency conversion drive system,flameproof frequency converter,flameproof motors,in explosive atmosphere,discusses the problems in the research of various parts of the system and special environment applications.Finally,the development of the reliability of the variable frequency drive system under extreme environments,the safety assessment technology of the variable frequency drive system used in explosive atmosphere,and the new integrated flameproof variable frequency drive technology are prospected.

关 键 词：矿山电气安全 变频驱动系统 防爆功能 防爆技术 防爆安全评估 

分 类 号：TD68[矿业工程—矿山机电]