矿井提升机无触点开关启动方法探讨

Mine Hoist Contactless Switch Starting Method Discussion

交流绕线式异步电动机转子回路串电阻的启动方式,既可提高启动力矩,又能限制启动电流,实现满负荷启动和调速;分析交流绕线异步电机转子回路串电阻3种启动控制的线路、原理,探讨用交流无触点开关实现矿井提升机启动控制的方法、电路、原理。

AC asynchronous motor rotor loop in series resistance starting mode,which can improve the starting torque,and can limit the starting current,achieve full load start and speed,analyses AC asynchronous motor rotor circuit resistor string three start control line and principle,study AC contactless switch in mine hoist start control method,circuit and principle.