储能变流技术在煤矿局部通风机应急电源的应用

Application of Energy Storage Electric Power Conversion Technology in Emergency Power Supply of Local Ventilator in Coal Mines

为实现煤矿局部通风机应急供电,通过对储能变流技术的创新研究,解决了防爆条件下低电压直流电能逆变为高电压交流电能的难题,完成了煤矿局部通风机应急电源设计,实现局部通风机连续、稳定工作,减少了因停止供风造成甲烷超限等事故,提高了局部通风机自动启动能力。

In order to realize the emergency power supply of local ventilators in coal mines,through the innovative research on energy storage electric power conversion,the problem of converting low voltage DC power into high voltage AC power under explosion-proof conditions was solved,the design of emergency power supply for local ventilators in coal mines was completed,the continuous and stable operation of local ventilators was realized,the accidents such as methane overrun caused by stopping air supply were reduced,and the automatic starting ability of local ventilators was improved.